| P0010 | A Camshaft Position Actuator Circuit | Engine | Medium | VVT solenoid failure; wiring issues; oil flow problems | Check VVT solenoid; verify oil level and viscosity | All models with VVT | 2000+ |
| P0011 | A Camshaft Position Timing Over-Advanced | Engine | Medium | VVT solenoid stuck; timing chain stretch; ECM issues | Check timing; inspect VVT system | All models with VVT | 2000+ |
| P0012 | A Camshaft Position Timing Over-Retarded | Engine | Medium | VVT solenoid malfunction; low oil pressure | Check VVT solenoid; verify oil pressure | All models with VVT | 2000+ |
| P0013 | B Camshaft Position Actuator Circuit | Engine | Medium | Exhaust VVT solenoid failure; wiring issues | Check exhaust VVT solenoid and wiring | V6/V8 models | 2005+ |
| P0014 | B Camshaft Position Timing Over-Advanced | Engine | Medium | Exhaust VVT timing issues; solenoid problems | Check exhaust VVT system timing | V6/V8 models | 2005+ |
| P0015 | B Camshaft Position Timing Over-Retarded | Engine | Medium | Exhaust VVT solenoid stuck; oil flow issues | Inspect exhaust VVT solenoid | V6/V8 models | 2005+ |
| P0016 | Crankshaft/Camshaft Correlation Bank 1 Sensor A | Engine | High | Timing chain stretch; VVT issues; sensor problems | Check timing chain; inspect VVT system | All models | 2000+ |
| P0017 | Crankshaft/Camshaft Correlation Bank 1 Sensor B | Engine | High | Timing correlation error; sensor malfunction | Verify timing; check cam/crank sensors | All models | 2000+ |
| P0018 | Crankshaft/Camshaft Correlation Bank 2 Sensor A | Engine | High | Bank 2 timing issues; sensor problems | Check Bank 2 timing; inspect sensors | V6/V8 models | 2000+ |
| P0019 | Crankshaft/Camshaft Correlation Bank 2 Sensor B | Engine | High | Bank 2 timing correlation error | Verify Bank 2 timing system | V6/V8 models | 2000+ |
| P0020 | A Camshaft Position Actuator Circuit Bank 2 | Engine | Medium | Bank 2 VVT solenoid failure | Check Bank 2 VVT solenoid | V6/V8 models | 2005+ |
| P0021 | A Camshaft Position Timing Over-Advanced Bank 2 | Engine | Medium | Bank 2 VVT timing advanced | Check Bank 2 VVT timing | V6/V8 models | 2005+ |
| P0022 | A Camshaft Position Timing Over-Retarded Bank 2 | Engine | Medium | Bank 2 VVT timing retarded | Inspect Bank 2 VVT system | V6/V8 models | 2005+ |
| P0030 | HO2S Heater Control Circuit Bank 1 Sensor 1 | Emissions | Medium | O2 sensor heater failure; wiring issues | Check O2 sensor heater circuit | All models | 1996+ |
| P0031 | HO2S Heater Control Circuit Low Bank 1 Sensor 1 | Emissions | Medium | O2 sensor heater short to ground | Test O2 sensor heater resistance | All models | 1996+ |
| P0032 | HO2S Heater Control Circuit High Bank 1 Sensor 1 | Emissions | Medium | O2 sensor heater short to power | Check O2 sensor heater wiring | All models | 1996+ |
| P0036 | HO2S Heater Control Circuit Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 sensor heater failure | Replace downstream O2 sensor | All models | 1996+ |
| P0037 | HO2S Heater Control Circuit Low Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 heater short to ground | Check downstream O2 sensor wiring | All models | 1996+ |
| P0038 | HO2S Heater Control Circuit High Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 heater short to power | Inspect downstream O2 sensor circuit | All models | 1996+ |
| P0050 | HO2S Heater Control Circuit Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 sensor heater failure | Check Bank 2 O2 sensor heater | V6/V8 models | 1996+ |
| P0051 | HO2S Heater Control Circuit Low Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 heater short to ground | Test Bank 2 O2 sensor heater | V6/V8 models | 1996+ |
| P0052 | HO2S Heater Control Circuit High Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 heater short to power | Check Bank 2 O2 sensor wiring | V6/V8 models | 1996+ |
| P0056 | HO2S Heater Control Circuit Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 heater failure | Replace Bank 2 downstream O2 sensor | V6/V8 models | 1996+ |
| P0057 | HO2S Heater Control Circuit Low Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 heater short | Check Bank 2 downstream O2 wiring | V6/V8 models | 1996+ |
| P0058 | HO2S Heater Control Circuit High Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 heater short | Inspect Bank 2 downstream O2 circuit | V6/V8 models | 1996+ |
| P0100 | Mass Air Flow Circuit Malfunction | Engine | High | Dirty MAF sensor; wiring issues; vacuum leaks | Clean or replace MAF sensor | All models | 1996+ |
| P0101 | Mass Air Flow Circuit Range/Performance | Engine | High | Dirty MAF sensor; air filter clogged; intake leaks | Clean MAF; replace air filter | All models | 1996+ |
| P0102 | Mass Air Flow Circuit Low Input | Engine | High | MAF sensor failure; wiring short to ground | Test MAF sensor and wiring | All models | 1996+ |
| P0103 | Mass Air Flow Circuit High Input | Engine | High | MAF sensor failure; wiring short to power | Check MAF sensor operation | All models | 1996+ |
| P0110 | Intake Air Temperature Circuit Malfunction | Engine | Medium | IAT sensor failure; wiring issues | Test IAT sensor resistance | All models | 1996+ |
| P0111 | Intake Air Temperature Circuit Range/Performance | Engine | Medium | IAT sensor out of range; wiring problems | Check IAT sensor operation | All models | 1996+ |
| P0112 | Intake Air Temperature Circuit Low Input | Engine | Medium | IAT sensor short to ground; sensor failure | Test IAT sensor and wiring | All models | 1996+ |
| P0113 | Intake Air Temperature Circuit High Input | Engine | Medium | IAT sensor open circuit; wiring issues | Check IAT sensor continuity | All models | 1996+ |
| P0115 | Engine Coolant Temperature Circuit Malfunction | Engine | High | ECT sensor failure; wiring problems | Test ECT sensor resistance | All models | 1996+ |
| P0116 | Engine Coolant Temperature Circuit Range/Performance | Engine | Medium | ECT sensor out of range; thermostat issues | Check ECT sensor and thermostat | All models | 1996+ |
| P0117 | Engine Coolant Temperature Circuit Low Input | Engine | High | ECT sensor short to ground; wiring fault | Test ECT sensor and wiring | All models | 1996+ |
| P0118 | Engine Coolant Temperature Circuit High Input | Engine | High | ECT sensor open circuit; sensor failure | Check ECT sensor continuity | All models | 1996+ |
| P0120 | Throttle Position Sensor Circuit Malfunction | Engine | High | TPS failure; wiring issues; throttle body problems | Test TPS operation and wiring | All models | 1996+ |
| P0121 | Throttle Position Sensor Circuit Range/Performance | Engine | High | TPS out of range; throttle body issues | Check TPS calibration | All models | 1996+ |
| P0122 | Throttle Position Sensor Circuit Low Input | Engine | High | TPS short to ground; sensor failure | Test TPS voltage and wiring | All models | 1996+ |
| P0123 | Throttle Position Sensor Circuit High Input | Engine | High | TPS short to power; open circuit | Check TPS signal voltage | All models | 1996+ |
| P0125 | Insufficient Coolant Temperature for Closed Loop | Engine | Medium | Thermostat stuck open; ECT sensor issues | Replace thermostat; check ECT sensor | All models | 1996+ |
| P0128 | Coolant Thermostat Rationality | Engine | Medium | Thermostat stuck open; low coolant level | Replace thermostat; check coolant level | All models | 2000+ |
| P0130 | O2 Sensor Circuit Malfunction Bank 1 Sensor 1 | Emissions | Medium | O2 sensor failure; wiring issues; exhaust leaks | Test O2 sensor operation | All models | 1996+ |
| P0131 | O2 Sensor Circuit Low Voltage Bank 1 Sensor 1 | Emissions | Medium | O2 sensor lean bias; vacuum leaks; sensor failure | Check for vacuum leaks; test O2 sensor | All models | 1996+ |
| P0132 | O2 Sensor Circuit High Voltage Bank 1 Sensor 1 | Emissions | Medium | O2 sensor rich bias; fuel system issues | Check fuel pressure; test O2 sensor | All models | 1996+ |
| P0133 | O2 Sensor Circuit Slow Response Bank 1 Sensor 1 | Emissions | Medium | O2 sensor aging; contamination; exhaust leaks | Replace O2 sensor; check exhaust system | All models | 1996+ |
| P0134 | O2 Sensor Circuit No Activity Bank 1 Sensor 1 | Emissions | Medium | O2 sensor failure; wiring open circuit | Test O2 sensor and wiring | All models | 1996+ |
| P0135 | O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 | Emissions | Medium | O2 sensor heater failure; fuse blown | Check O2 sensor heater circuit | All models | 1996+ |
| P0136 | O2 Sensor Circuit Malfunction Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 sensor failure; wiring issues | Test downstream O2 sensor | All models | 1996+ |
| P0137 | O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 sensor low voltage | Check downstream O2 sensor operation | All models | 1996+ |
| P0138 | O2 Sensor Circuit High Voltage Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 sensor high voltage | Test downstream O2 sensor | All models | 1996+ |
| P0139 | O2 Sensor Circuit Slow Response Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 sensor slow response | Replace downstream O2 sensor | All models | 1996+ |
| P0140 | O2 Sensor Circuit No Activity Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 sensor no signal | Check downstream O2 sensor wiring | All models | 1996+ |
| P0141 | O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2 | Emissions | Medium | Downstream O2 heater failure | Test downstream O2 heater circuit | All models | 1996+ |
| P0150 | O2 Sensor Circuit Malfunction Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 sensor failure | Test Bank 2 O2 sensor | V6/V8 models | 1996+ |
| P0151 | O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 sensor lean bias | Check Bank 2 O2 sensor operation | V6/V8 models | 1996+ |
| P0152 | O2 Sensor Circuit High Voltage Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 sensor rich bias | Test Bank 2 O2 sensor | V6/V8 models | 1996+ |
| P0153 | O2 Sensor Circuit Slow Response Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 sensor aging | Replace Bank 2 O2 sensor | V6/V8 models | 1996+ |
| P0154 | O2 Sensor Circuit No Activity Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 sensor no signal | Check Bank 2 O2 sensor wiring | V6/V8 models | 1996+ |
| P0155 | O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 1 | Emissions | Medium | Bank 2 O2 heater failure | Test Bank 2 O2 heater circuit | V6/V8 models | 1996+ |
| P0156 | O2 Sensor Circuit Malfunction Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 sensor failure | Test Bank 2 downstream O2 sensor | V6/V8 models | 1996+ |
| P0157 | O2 Sensor Circuit Low Voltage Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 low voltage | Check Bank 2 downstream O2 operation | V6/V8 models | 1996+ |
| P0158 | O2 Sensor Circuit High Voltage Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 high voltage | Test Bank 2 downstream O2 sensor | V6/V8 models | 1996+ |
| P0159 | O2 Sensor Circuit Slow Response Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 slow response | Replace Bank 2 downstream O2 sensor | V6/V8 models | 1996+ |
| P0160 | O2 Sensor Circuit No Activity Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 no signal | Check Bank 2 downstream O2 wiring | V6/V8 models | 1996+ |
| P0161 | O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 2 | Emissions | Medium | Bank 2 downstream O2 heater failure | Test Bank 2 downstream O2 heater | V6/V8 models | 1996+ |
| P0171 | System Too Lean Bank 1 | Fuel | High | Vacuum leaks; dirty MAF; fuel filter; injectors | Check for vacuum leaks; clean MAF sensor | All models | 1996+ |
| P0172 | System Too Rich Bank 1 | Fuel | High | Fuel pressure high; dirty injectors; EVAP issues | Check fuel pressure; test injectors | All models | 1996+ |
| P0174 | System Too Lean Bank 2 | Fuel | High | Bank 2 vacuum leaks; MAF issues; fuel problems | Check Bank 2 for vacuum leaks | V6/V8 models | 1996+ |
| P0175 | System Too Rich Bank 2 | Fuel | High | Bank 2 fuel system rich condition | Check Bank 2 fuel system | V6/V8 models | 1996+ |
| P0180 | Fuel Temperature Sensor A Circuit Malfunction | Fuel | Low | Fuel temp sensor failure; wiring issues | Test fuel temperature sensor | Some models | 2000+ |
| P0181 | Fuel Temperature Sensor A Circuit Range/Performance | Fuel | Low | Fuel temp sensor out of range | Check fuel temperature sensor operation | Some models | 2000+ |
| P0182 | Fuel Temperature Sensor A Circuit Low Input | Fuel | Low | Fuel temp sensor short to ground | Test fuel temp sensor wiring | Some models | 2000+ |
| P0183 | Fuel Temperature Sensor A Circuit High Input | Fuel | Low | Fuel temp sensor open circuit | Check fuel temp sensor continuity | Some models | 2000+ |
| P0190 | Fuel Rail Pressure Sensor Circuit Malfunction | Fuel | Medium | Fuel rail pressure sensor failure | Test fuel rail pressure sensor | GDI models | 2006+ |
| P0191 | Fuel Rail Pressure Sensor Circuit Range/Performance | Fuel | Medium | Fuel rail pressure out of range | Check fuel rail pressure system | GDI models | 2006+ |
| P0192 | Fuel Rail Pressure Sensor Circuit Low Input | Fuel | Medium | Fuel rail pressure sensor low signal | Test fuel rail pressure sensor | GDI models | 2006+ |
| P0193 | Fuel Rail Pressure Sensor Circuit High Input | Fuel | Medium | Fuel rail pressure sensor high signal | Check fuel rail pressure sensor | GDI models | 2006+ |
| P0196 | Engine Oil Temperature Sensor Range/Performance | Engine | Low | Oil temp sensor malfunction | Test oil temperature sensor | Some models | 2005+ |
| P0197 | Engine Oil Temperature Sensor Low | Engine | Low | Oil temp sensor short to ground | Check oil temp sensor wiring | Some models | 2005+ |
| P0198 | Engine Oil Temperature Sensor High | Engine | Low | Oil temp sensor open circuit | Test oil temp sensor continuity | Some models | 2005+ |
| P0200 | Injector Circuit Malfunction | Fuel | High | Fuel injector wiring issues; ECM problems | Test injector circuits and resistance | All models | 1996+ |
| P0201 | Injector Circuit Malfunction Cylinder 1 | Fuel | High | Cylinder 1 injector failure; wiring issues | Test cylinder 1 injector | All models | 1996+ |
| P0202 | Injector Circuit Malfunction Cylinder 2 | Fuel | High | Cylinder 2 injector failure; wiring issues | Test cylinder 2 injector | All models | 1996+ |
| P0203 | Injector Circuit Malfunction Cylinder 3 | Fuel | High | Cylinder 3 injector failure; wiring issues | Test cylinder 3 injector | All models | 1996+ |
| P0204 | Injector Circuit Malfunction Cylinder 4 | Fuel | High | Cylinder 4 injector failure; wiring issues | Test cylinder 4 injector | All models | 1996+ |
| P0205 | Injector Circuit Malfunction Cylinder 5 | Fuel | High | Cylinder 5 injector failure; wiring issues | Test cylinder 5 injector | V6/V8 models | 1996+ |
| P0206 | Injector Circuit Malfunction Cylinder 6 | Fuel | High | Cylinder 6 injector failure; wiring issues | Test cylinder 6 injector | V6/V8 models | 1996+ |
| P0207 | Injector Circuit Malfunction Cylinder 7 | Fuel | High | Cylinder 7 injector failure; wiring issues | Test cylinder 7 injector | V8 models | 1996+ |
| P0208 | Injector Circuit Malfunction Cylinder 8 | Fuel | High | Cylinder 8 injector failure; wiring issues | Test cylinder 8 injector | V8 models | 1996+ |
| P0220 | Throttle/Pedal Position Sensor Switch B Circuit Malfunction | Engine | High | Accelerator pedal sensor failure; wiring issues | Test accelerator pedal position sensor | Drive-by-wire models | 2002+ |
| P0221 | Throttle/Pedal Position Sensor Switch B Circuit Range/Performance | Engine | High | Accelerator pedal sensor out of range | Check accelerator pedal sensor operation | Drive-by-wire models | 2002+ |
| P0222 | Throttle/Pedal Position Sensor Switch B Circuit Low Input | Engine | High | Accelerator pedal sensor low signal | Test accelerator pedal sensor wiring | Drive-by-wire models | 2002+ |
| P0223 | Throttle/Pedal Position Sensor Switch B Circuit High Input | Engine | High | Accelerator pedal sensor high signal | Check accelerator pedal sensor | Drive-by-wire models | 2002+ |
| P0230 | Fuel Pump Primary Circuit Malfunction | Fuel | High | Fuel pump relay failure; wiring issues; fuse blown | Check fuel pump relay and fuse | All models | 1996+ |
| P0231 | Fuel Pump Secondary Circuit Low | Fuel | High | Fuel pump circuit low voltage | Test fuel pump circuit voltage | All models | 1996+ |
| P0232 | Fuel Pump Secondary Circuit High | Fuel | High | Fuel pump circuit high voltage | Check fuel pump circuit wiring | All models | 1996+ |
| P0261 | Cylinder 1 Injector Circuit Low | Fuel | High | Cylinder 1 injector short to ground | Test cylinder 1 injector wiring | All models | 1996+ |
| P0262 | Cylinder 1 Injector Circuit High | Fuel | High | Cylinder 1 injector short to power | Check cylinder 1 injector circuit | All models | 1996+ |
| P0264 | Cylinder 2 Injector Circuit Low | Fuel | High | Cylinder 2 injector short to ground | Test cylinder 2 injector wiring | All models | 1996+ |
| P0265 | Cylinder 2 Injector Circuit High | Fuel | High | Cylinder 2 injector short to power | Check cylinder 2 injector circuit | All models | 1996+ |
| P0267 | Cylinder 3 Injector Circuit Low | Fuel | High | Cylinder 3 injector short to ground | Test cylinder 3 injector wiring | All models | 1996+ |
| P0268 | Cylinder 3 Injector Circuit High | Fuel | High | Cylinder 3 injector short to power | Check cylinder 3 injector circuit | All models | 1996+ |
| P0270 | Cylinder 4 Injector Circuit Low | Fuel | High | Cylinder 4 injector short to ground | Test cylinder 4 injector wiring | All models | 1996+ |
| P0271 | Cylinder 4 Injector Circuit High | Fuel | High | Cylinder 4 injector short to power | Check cylinder 4 injector circuit | All models | 1996+ |
| P0273 | Cylinder 5 Injector Circuit Low | Fuel | High | Cylinder 5 injector short to ground | Test cylinder 5 injector wiring | V6/V8 models | 1996+ |
| P0274 | Cylinder 5 Injector Circuit High | Fuel | High | Cylinder 5 injector short to power | Check cylinder 5 injector circuit | V6/V8 models | 1996+ |
| P0276 | Cylinder 6 Injector Circuit Low | Fuel | High | Cylinder 6 injector short to ground | Test cylinder 6 injector wiring | V6/V8 models | 1996+ |
| P0277 | Cylinder 6 Injector Circuit High | Fuel | High | Cylinder 6 injector short to power | Check cylinder 6 injector circuit | V6/V8 models | 1996+ |
| P0279 | Cylinder 7 Injector Circuit Low | Fuel | High | Cylinder 7 injector short to ground | Test cylinder 7 injector wiring | V8 models | 1996+ |
| P0280 | Cylinder 7 Injector Circuit High | Fuel | High | Cylinder 7 injector short to power | Check cylinder 7 injector circuit | V8 models | 1996+ |
| P0282 | Cylinder 8 Injector Circuit Low | Fuel | High | Cylinder 8 injector short to ground | Test cylinder 8 injector wiring | V8 models | 1996+ |
| P0283 | Cylinder 8 Injector Circuit High | Fuel | High | Cylinder 8 injector short to power | Check cylinder 8 injector circuit | V8 models | 1996+ |
| P0300 | Random/Multiple Cylinder Misfire Detected | Engine | High | Worn spark plugs; ignition coils; fuel injectors; vacuum leaks | Replace spark plugs; check coils and injectors | All models | 1996+ |
| P0301 | Cylinder 1 Misfire Detected | Engine | High | Cylinder 1 spark plug; ignition coil; injector; compression | Check cylinder 1 spark plug and coil | All models | 1996+ |
| P0302 | Cylinder 2 Misfire Detected | Engine | High | Cylinder 2 spark plug; ignition coil; injector; compression | Check cylinder 2 spark plug and coil | All models | 1996+ |
| P0303 | Cylinder 3 Misfire Detected | Engine | High | Cylinder 3 spark plug; ignition coil; injector; compression | Check cylinder 3 spark plug and coil | All models | 1996+ |
| P0304 | Cylinder 4 Misfire Detected | Engine | High | Cylinder 4 spark plug; ignition coil; injector; compression | Check cylinder 4 spark plug and coil | All models | 1996+ |
| P0305 | Cylinder 5 Misfire Detected | Engine | High | Cylinder 5 spark plug; ignition coil; injector; compression | Check cylinder 5 spark plug and coil | V6/V8 models | 1996+ |
| P0306 | Cylinder 6 Misfire Detected | Engine | High | Cylinder 6 spark plug; ignition coil; injector; compression | Check cylinder 6 spark plug and coil | V6/V8 models | 1996+ |
| P0307 | Cylinder 7 Misfire Detected | Engine | High | Cylinder 7 spark plug; ignition coil; injector; compression | Check cylinder 7 spark plug and coil | V8 models | 1996+ |
| P0308 | Cylinder 8 Misfire Detected | Engine | High | Cylinder 8 spark plug; ignition coil; injector; compression | Check cylinder 8 spark plug and coil | V8 models | 1996+ |
| P0325 | Knock Sensor 1 Circuit Malfunction Bank 1 | Engine | Medium | Knock sensor failure; wiring issues; engine knock | Test knock sensor and wiring | All models | 1996+ |
| P0326 | Knock Sensor 1 Circuit Range/Performance Bank 1 | Engine | Medium | Knock sensor out of range; false knock detection | Check knock sensor operation | All models | 1996+ |
| P0327 | Knock Sensor 1 Circuit Low Input Bank 1 | Engine | Medium | Knock sensor short to ground; sensor failure | Test knock sensor resistance | All models | 1996+ |
| P0328 | Knock Sensor 1 Circuit High Input Bank 1 | Engine | Medium | Knock sensor open circuit; wiring issues | Check knock sensor continuity | All models | 1996+ |
| P0330 | Knock Sensor 2 Circuit Malfunction Bank 2 | Engine | Medium | Bank 2 knock sensor failure | Test Bank 2 knock sensor | V6/V8 models | 1996+ |
| P0331 | Knock Sensor 2 Circuit Range/Performance Bank 2 | Engine | Medium | Bank 2 knock sensor out of range | Check Bank 2 knock sensor operation | V6/V8 models | 1996+ |
| P0332 | Knock Sensor 2 Circuit Low Input Bank 2 | Engine | Medium | Bank 2 knock sensor short to ground | Test Bank 2 knock sensor resistance | V6/V8 models | 1996+ |
| P0333 | Knock Sensor 2 Circuit High Input Bank 2 | Engine | Medium | Bank 2 knock sensor open circuit | Check Bank 2 knock sensor continuity | V6/V8 models | 1996+ |
| P0335 | Crankshaft Position Sensor A Circuit Malfunction | Engine | Critical | Crankshaft position sensor failure; wiring issues | Test crankshaft position sensor | All models | 1996+ |
| P0336 | Crankshaft Position Sensor A Circuit Range/Performance | Engine | Critical | Crankshaft sensor signal erratic; timing issues | Check crankshaft sensor and timing | All models | 1996+ |
| P0337 | Crankshaft Position Sensor A Circuit Low Input | Engine | Critical | Crankshaft sensor short to ground; sensor failure | Test crankshaft sensor wiring | All models | 1996+ |
| P0338 | Crankshaft Position Sensor A Circuit High Input | Engine | Critical | Crankshaft sensor open circuit; wiring issues | Check crankshaft sensor continuity | All models | 1996+ |
| P0339 | Crankshaft Position Sensor A Circuit Intermittent | Engine | Critical | Crankshaft sensor intermittent signal; loose connection | Check crankshaft sensor connections | All models | 1996+ |
| P0340 | Camshaft Position Sensor Circuit Malfunction | Engine | High | Camshaft position sensor failure; wiring issues | Test camshaft position sensor | All models | 1996+ |
| P0341 | Camshaft Position Sensor Circuit Range/Performance | Engine | High | Camshaft sensor signal erratic; timing issues | Check camshaft sensor and timing | All models | 1996+ |
| P0342 | Camshaft Position Sensor Circuit Low Input | Engine | High | Camshaft sensor short to ground; sensor failure | Test camshaft sensor wiring | All models | 1996+ |
| P0343 | Camshaft Position Sensor Circuit High Input | Engine | High | Camshaft sensor open circuit; wiring issues | Check camshaft sensor continuity | All models | 1996+ |
| P0344 | Camshaft Position Sensor Circuit Intermittent | Engine | High | Camshaft sensor intermittent signal; loose connection | Check camshaft sensor connections | All models | 1996+ |
| P0345 | Camshaft Position Sensor A Circuit Bank 2 | Engine | High | Bank 2 camshaft sensor failure | Test Bank 2 camshaft sensor | V6/V8 models | 1996+ |
| P0346 | Camshaft Position Sensor A Circuit Range/Performance Bank 2 | Engine | High | Bank 2 camshaft sensor signal erratic | Check Bank 2 camshaft sensor | V6/V8 models | 1996+ |
| P0347 | Camshaft Position Sensor A Circuit Low Bank 2 | Engine | High | Bank 2 camshaft sensor short to ground | Test Bank 2 camshaft sensor wiring | V6/V8 models | 1996+ |
| P0348 | Camshaft Position Sensor A Circuit High Bank 2 | Engine | High | Bank 2 camshaft sensor open circuit | Check Bank 2 camshaft sensor continuity | V6/V8 models | 1996+ |
| P0349 | Camshaft Position Sensor A Circuit Intermittent Bank 2 | Engine | High | Bank 2 camshaft sensor intermittent signal | Check Bank 2 camshaft sensor connections | V6/V8 models | 1996+ |
| P0350 | Ignition Coil Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil failure; wiring issues; ECM problems | Test ignition coils and circuits | All models | 1996+ |
| P0351 | Ignition Coil A Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil A failure; cylinder 1 coil issues | Test cylinder 1 ignition coil | All models | 1996+ |
| P0352 | Ignition Coil B Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil B failure; cylinder 2 coil issues | Test cylinder 2 ignition coil | All models | 1996+ |
| P0353 | Ignition Coil C Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil C failure; cylinder 3 coil issues | Test cylinder 3 ignition coil | All models | 1996+ |
| P0354 | Ignition Coil D Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil D failure; cylinder 4 coil issues | Test cylinder 4 ignition coil | All models | 1996+ |
| P0355 | Ignition Coil E Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil E failure; cylinder 5 coil issues | Test cylinder 5 ignition coil | V6/V8 models | 1996+ |
| P0356 | Ignition Coil F Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil F failure; cylinder 6 coil issues | Test cylinder 6 ignition coil | V6/V8 models | 1996+ |
| P0357 | Ignition Coil G Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil G failure; cylinder 7 coil issues | Test cylinder 7 ignition coil | V8 models | 1996+ |
| P0358 | Ignition Coil H Primary/Secondary Circuit Malfunction | Ignition | High | Ignition coil H failure; cylinder 8 coil issues | Test cylinder 8 ignition coil | V8 models | 1996+ |
| P0365 | Camshaft Position Sensor B Circuit Bank 1 | Engine | High | Exhaust camshaft sensor failure Bank 1 | Test exhaust camshaft sensor Bank 1 | DOHC models | 2000+ |
| P0366 | Camshaft Position Sensor B Circuit Range/Performance Bank 1 | Engine | High | Exhaust camshaft sensor signal erratic Bank 1 | Check exhaust camshaft sensor Bank 1 | DOHC models | 2000+ |
| P0367 | Camshaft Position Sensor B Circuit Low Bank 1 | Engine | High | Exhaust camshaft sensor short to ground Bank 1 | Test exhaust camshaft sensor wiring Bank 1 | DOHC models | 2000+ |
| P0368 | Camshaft Position Sensor B Circuit High Bank 1 | Engine | High | Exhaust camshaft sensor open circuit Bank 1 | Check exhaust camshaft sensor continuity Bank 1 | DOHC models | 2000+ |
| P0369 | Camshaft Position Sensor B Circuit Intermittent Bank 1 | Engine | High | Exhaust camshaft sensor intermittent Bank 1 | Check exhaust camshaft sensor connections Bank 1 | DOHC models | 2000+ |
| P0390 | Camshaft Position Sensor B Circuit Bank 2 | Engine | High | Exhaust camshaft sensor failure Bank 2 | Test exhaust camshaft sensor Bank 2 | DOHC V6/V8 models | 2000+ |
| P0391 | Camshaft Position Sensor B Circuit Range/Performance Bank 2 | Engine | High | Exhaust camshaft sensor signal erratic Bank 2 | Check exhaust camshaft sensor Bank 2 | DOHC V6/V8 models | 2000+ |
| P0392 | Camshaft Position Sensor B Circuit Low Bank 2 | Engine | High | Exhaust camshaft sensor short to ground Bank 2 | Test exhaust camshaft sensor wiring Bank 2 | DOHC V6/V8 models | 2000+ |
| P0393 | Camshaft Position Sensor B Circuit High Bank 2 | Engine | High | Exhaust camshaft sensor open circuit Bank 2 | Check exhaust camshaft sensor continuity Bank 2 | DOHC V6/V8 models | 2000+ |
| P0394 | Camshaft Position Sensor B Circuit Intermittent Bank 2 | Engine | High | Exhaust camshaft sensor intermittent Bank 2 | Check exhaust camshaft sensor connections Bank 2 | DOHC V6/V8 models | 2000+ |
| P0401 | Exhaust Gas Recirculation Flow Insufficient Detected | Emissions | Medium | EGR valve stuck closed; carbon buildup; vacuum issues | Clean EGR valve; check vacuum lines | Most models | 1996+ |
| P0402 | Exhaust Gas Recirculation Flow Excessive Detected | Emissions | Medium | EGR valve stuck open; vacuum issues | Test EGR valve operation | Most models | 1996+ |
| P0403 | Exhaust Gas Recirculation Circuit Malfunction | Emissions | Medium | EGR solenoid failure; wiring issues | Test EGR solenoid and wiring | Most models | 1996+ |
| P0404 | Exhaust Gas Recirculation Circuit Range/Performance | Emissions | Medium | EGR valve position sensor issues | Check EGR valve position sensor | Some models | 2000+ |
| P0405 | Exhaust Gas Recirculation Sensor A Circuit Low | Emissions | Medium | EGR position sensor short to ground | Test EGR position sensor wiring | Some models | 2000+ |
| P0406 | Exhaust Gas Recirculation Sensor A Circuit High | Emissions | Medium | EGR position sensor open circuit | Check EGR position sensor continuity | Some models | 2000+ |
| P0410 | Secondary Air Injection System Malfunction | Emissions | Medium | Air injection pump failure; check valve issues | Test air injection system | Some models | 1996-2005 |
| P0411 | Secondary Air Injection System Incorrect Flow Detected | Emissions | Medium | Air injection flow problems; blocked passages | Check air injection flow | Some models | 1996-2005 |
| P0412 | Secondary Air Injection System Switching Valve A Circuit Malfunction | Emissions | Medium | Air injection switching valve failure | Test air injection switching valve | Some models | 1996-2005 |
| P0413 | Secondary Air Injection System Switching Valve A Circuit Open | Emissions | Medium | Air injection valve circuit open | Check air injection valve wiring | Some models | 1996-2005 |
| P0414 | Secondary Air Injection System Switching Valve A Circuit Shorted | Emissions | Medium | Air injection valve circuit shorted | Test air injection valve circuit | Some models | 1996-2005 |
| P0420 | Catalyst System Efficiency Below Threshold Bank 1 | Emissions | Medium | Catalytic converter failure; O2 sensor issues | Test O2 sensors; may need cat replacement | All models | 1996+ |
| P0421 | Warm Up Catalyst Efficiency Below Threshold Bank 1 | Emissions | Medium | Warm-up catalyst failure | Test warm-up catalyst efficiency | Some models | 1996+ |
| P0430 | Catalyst System Efficiency Below Threshold Bank 2 | Emissions | Medium | Bank 2 catalytic converter failure | Test Bank 2 catalyst efficiency | V6/V8 models | 1996+ |
| P0431 | Warm Up Catalyst Efficiency Below Threshold Bank 2 | Emissions | Medium | Bank 2 warm-up catalyst failure | Test Bank 2 warm-up catalyst | V6/V8 models | 1996+ |
| P0440 | Evaporative Emission Control System Malfunction | Emissions | Low | EVAP system leak; gas cap loose; purge valve issues | Check gas cap; test EVAP system | All models | 1996+ |
| P0441 | Evaporative Emission Control System Incorrect Purge Flow | Emissions | Low | EVAP purge valve malfunction; vacuum issues | Test EVAP purge valve operation | All models | 1996+ |
| P0442 | Evaporative Emission Control System Leak Detected Small Leak | Emissions | Low | Small EVAP leak; gas cap; lines; canister | Perform EVAP smoke test | All models | 1996+ |
| P0443 | Evaporative Emission Control System Purge Control Valve Circuit Malfunction | Emissions | Low | EVAP purge valve circuit issues | Test EVAP purge valve circuit | All models | 1996+ |
| P0444 | Evaporative Emission Control System Purge Control Valve Circuit Open | Emissions | Low | EVAP purge valve circuit open | Check EVAP purge valve wiring | All models | 1996+ |
| P0445 | Evaporative Emission Control System Purge Control Valve Circuit Shorted | Emissions | Low | EVAP purge valve circuit shorted | Test EVAP purge valve circuit | All models | 1996+ |
| P0446 | Evaporative Emission Control System Vent Control Circuit Malfunction | Emissions | Low | EVAP vent valve circuit issues | Test EVAP vent valve circuit | All models | 1996+ |
| P0447 | Evaporative Emission Control System Vent Control Circuit Open | Emissions | Low | EVAP vent valve circuit open | Check EVAP vent valve wiring | All models | 1996+ |
| P0448 | Evaporative Emission Control System Vent Control Circuit Shorted | Emissions | Low | EVAP vent valve circuit shorted | Test EVAP vent valve circuit | All models | 1996+ |
| P0449 | Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction | Emissions | Low | EVAP vent solenoid failure | Test EVAP vent solenoid | All models | 1996+ |
| P0450 | Evaporative Emission Control System Pressure Sensor Malfunction | Emissions | Low | EVAP pressure sensor failure | Test EVAP pressure sensor | Some models | 2000+ |
| P0451 | Evaporative Emission Control System Pressure Sensor Range/Performance | Emissions | Low | EVAP pressure sensor out of range | Check EVAP pressure sensor operation | Some models | 2000+ |
| P0452 | Evaporative Emission Control System Pressure Sensor Low Input | Emissions | Low | EVAP pressure sensor low signal | Test EVAP pressure sensor wiring | Some models | 2000+ |
| P0453 | Evaporative Emission Control System Pressure Sensor High Input | Emissions | Low | EVAP pressure sensor high signal | Check EVAP pressure sensor | Some models | 2000+ |
| P0454 | Evaporative Emission Control System Pressure Sensor Intermittent | Emissions | Low | EVAP pressure sensor intermittent | Check EVAP pressure sensor connections | Some models | 2000+ |
| P0455 | Evaporative Emission Control System Leak Detected Gross Leak | Emissions | Low | Large EVAP leak; missing gas cap; damaged lines | Check for large EVAP leaks | All models | 1996+ |
| P0456 | Evaporative Emission Control System Leak Detected Very Small Leak | Emissions | Low | Very small EVAP leak detection | Perform detailed EVAP leak test | All models | 2000+ |
| P0457 | Evaporative Emission Control System Leak Detected Fuel Cap Loose/Off | Emissions | Low | Gas cap loose or missing | Check and tighten gas cap | All models | 2000+ |
| P0458 | Evaporative Emission Control System Purge Control Valve Circuit Low | Emissions | Low | EVAP purge valve circuit low | Test EVAP purge valve circuit | All models | 2000+ |
| P0459 | Evaporative Emission Control System Purge Control Valve Circuit High | Emissions | Low | EVAP purge valve circuit high | Check EVAP purge valve circuit | All models | 2000+ |
| P0460 | Fuel Level Sensor Circuit Malfunction | Fuel | Low | Fuel level sender failure; wiring issues | Test fuel level sender | All models | 1996+ |
| P0461 | Fuel Level Sensor Circuit Range/Performance | Fuel | Low | Fuel level sender out of range | Check fuel level sender operation | All models | 1996+ |
| P0462 | Fuel Level Sensor Circuit Low Input | Fuel | Low | Fuel level sender short to ground | Test fuel level sender wiring | All models | 1996+ |
| P0463 | Fuel Level Sensor Circuit High Input | Fuel | Low | Fuel level sender open circuit | Check fuel level sender continuity | All models | 1996+ |
| P0464 | Fuel Level Sensor Circuit Intermittent | Fuel | Low | Fuel level sender intermittent signal | Check fuel level sender connections | All models | 1996+ |
| P0500 | Vehicle Speed Sensor Malfunction | Transmission | Medium | Vehicle speed sensor failure; wiring issues | Test vehicle speed sensor | All models | 1996+ |
| P0501 | Vehicle Speed Sensor Range/Performance | Transmission | Medium | Vehicle speed sensor out of range | Check vehicle speed sensor operation | All models | 1996+ |
| P0502 | Vehicle Speed Sensor Circuit Low Input | Transmission | Medium | Vehicle speed sensor low signal | Test vehicle speed sensor wiring | All models | 1996+ |
| P0503 | Vehicle Speed Sensor Intermittent/Erratic/High | Transmission | Medium | Vehicle speed sensor erratic signal | Check vehicle speed sensor | All models | 1996+ |
| P0505 | Idle Air Control System Malfunction | Engine | Medium | IAC valve failure; carbon buildup; vacuum leaks | Clean IAC valve; check for vacuum leaks | Older models | 1996-2005 |
| P0506 | Idle Air Control System RPM Lower Than Expected | Engine | Medium | IAC valve restricted; vacuum leaks; throttle issues | Clean IAC valve; check throttle body | Older models | 1996-2005 |
| P0507 | Idle Air Control System RPM Higher Than Expected | Engine | Medium | IAC valve stuck open; vacuum leaks; throttle issues | Check IAC valve; inspect for vacuum leaks | Older models | 1996-2005 |
| P0510 | Closed Throttle Position Switch Malfunction | Engine | Medium | Closed throttle switch failure; adjustment issues | Test closed throttle position switch | Older models | 1996-2005 |
| P0511 | Idle Air Control Circuit Malfunction | Engine | Medium | IAC circuit issues; wiring problems | Test IAC circuit and wiring | Older models | 1996-2005 |
| P0550 | Power Steering Pressure Sensor Circuit Malfunction | Steering | Low | Power steering pressure sensor failure | Test power steering pressure sensor | Models with hydraulic PS | 1996-2010 |
| P0551 | Power Steering Pressure Sensor Circuit Range/Performance | Steering | Low | Power steering pressure sensor out of range | Check power steering pressure sensor | Models with hydraulic PS | 1996-2010 |
| P0552 | Power Steering Pressure Sensor Circuit Low Input | Steering | Low | Power steering pressure sensor low signal | Test power steering pressure sensor wiring | Models with hydraulic PS | 1996-2010 |
| P0553 | Power Steering Pressure Sensor Circuit High Input | Steering | Low | Power steering pressure sensor high signal | Check power steering pressure sensor | Models with hydraulic PS | 1996-2010 |
| P0560 | System Voltage Malfunction | Electrical | Medium | Charging system issues; battery problems; alternator | Test charging system and battery | All models | 1996+ |
| P0561 | System Voltage Unstable | Electrical | Medium | Voltage fluctuation; alternator issues; connections | Check alternator and connections | All models | 1996+ |
| P0562 | System Voltage Low | Electrical | Medium | Low system voltage; alternator failure; battery | Test alternator output and battery | All models | 1996+ |
| P0563 | System Voltage High | Electrical | Medium | High system voltage; alternator overcharging | Check alternator regulation | All models | 1996+ |
| P0571 | Cruise Control/Brake Switch A Circuit Malfunction | Body | Low | Brake light switch failure; cruise control issues | Test brake light switch | All models | 1996+ |
| P0572 | Cruise Control/Brake Switch A Circuit Low | Body | Low | Brake switch circuit low | Check brake switch wiring | All models | 1996+ |
| P0573 | Cruise Control/Brake Switch A Circuit High | Body | Low | Brake switch circuit high | Test brake switch circuit | All models | 1996+ |
| P0601 | Internal Control Module Memory Checksum Error | ECM | High | ECM internal memory corruption | Reprogram or replace ECM | All models | 1996+ |
| P0602 | Control Module Programming Error | ECM | High | ECM programming error or corruption | Reprogram ECM with latest software | All models | 1996+ |
| P0603 | Internal Control Module Keep Alive Memory Error | ECM | High | ECM keep alive memory failure | Replace ECM | All models | 1996+ |
| P0604 | Internal Control Module Random Access Memory Error | ECM | High | ECM RAM failure | Replace ECM | All models | 1996+ |
| P0605 | Internal Control Module Read Only Memory Error | ECM | High | ECM ROM failure | Replace ECM | All models | 1996+ |
| P0606 | PCM Processor Fault | ECM | Critical | ECM processor failure | Replace ECM | All models | 1996+ |
| P0607 | Control Module Performance | ECM | High | ECM performance issues | Test and reprogram ECM | All models | 2000+ |
| P0610 | Control Module Vehicle Options Error | ECM | Medium | ECM vehicle option configuration error | Reprogram ECM with correct options | All models | 2000+ |
| P0627 | Fuel Pump A Control Circuit Open | Fuel | High | Fuel pump relay circuit open | Check fuel pump relay circuit | All models | 2000+ |
| P0628 | Fuel Pump A Control Circuit Low | Fuel | High | Fuel pump relay circuit low | Test fuel pump relay wiring | All models | 2000+ |
| P0629 | Fuel Pump A Control Circuit High | Fuel | High | Fuel pump relay circuit high | Check fuel pump relay circuit | All models | 2000+ |
| P0630 | VIN Not Programmed or Mismatch ECM/PCM | ECM | Medium | VIN programming issue in ECM | Program VIN in ECM | All models | 2000+ |
| P0631 | Tire Pressure Monitor Control Module Performance | TPMS | Low | TPMS control module malfunction | Test TPMS control module | Models with TPMS | 2007+ |
| P0632 | Odometer Not Programmed ECM/PCM | ECM | Low | Odometer not programmed in ECM | Program odometer in ECM | All models | 2000+ |
| P0633 | Immobilizer Key Not Programmed ECM/PCM | Security | Medium | Immobilizer key not programmed | Program immobilizer keys | Models with immobilizer | 2000+ |
| P0634 | PCM/ECM/TCM Internal Temperature Too High | ECM | High | ECM overheating; cooling issues | Check ECM cooling and location | All models | 2000+ |
| P0635 | Power Steering Control Circuit | Steering | Medium | Power steering control circuit malfunction | Test power steering control system | Models with EPS | 2010+ |
| P0636 | Power Steering Control Circuit Low | Steering | Medium | Power steering control circuit low | Check power steering control wiring | Models with EPS | 2010+ |
| P0637 | Power Steering Control Circuit High | Steering | Medium | Power steering control circuit high | Test power steering control circuit | Models with EPS | 2010+ |
| P0638 | Throttle Actuator Control Range/Performance Bank 1 | Engine | High | Electronic throttle actuator malfunction | Test electronic throttle actuator | Drive-by-wire models | 2002+ |
| P0639 | Throttle Actuator Control Range/Performance Bank 2 | Engine | High | Bank 2 electronic throttle actuator malfunction | Test Bank 2 electronic throttle actuator | Some V6/V8 models | 2005+ |
| P0640 | Intake Air Heater Control Circuit | Engine | Low | Intake air heater circuit malfunction | Test intake air heater circuit | Diesel models | 2000+ |
| P0641 | Sensor Reference Voltage A Circuit Open | ECM | High | 5V reference circuit open; multiple sensor issues | Check 5V reference circuit | All models | 2000+ |
| P0642 | Sensor Reference Voltage A Circuit Low | ECM | High | 5V reference circuit low; ECM issues | Test 5V reference voltage | All models | 2000+ |
| P0643 | Sensor Reference Voltage A Circuit High | ECM | High | 5V reference circuit high; short to power | Check 5V reference circuit | All models | 2000+ |
| P0644 | Driver Display Serial Communication Circuit | Body | Low | Instrument cluster communication error | Check cluster communication | All models | 2000+ |
| P0645 | A/C Clutch Relay Control Circuit | HVAC | Low | A/C clutch relay circuit malfunction | Test A/C clutch relay circuit | All models | 1996+ |
| P0646 | A/C Clutch Relay Control Circuit Low | HVAC | Low | A/C clutch relay circuit low | Check A/C clutch relay wiring | All models | 1996+ |
| P0647 | A/C Clutch Relay Control Circuit High | HVAC | Low | A/C clutch relay circuit high | Test A/C clutch relay circuit | All models | 1996+ |
| P0648 | Immobilizer Lamp Control Circuit | Security | Low | Immobilizer indicator lamp circuit | Check immobilizer lamp circuit | Models with immobilizer | 2000+ |
| P0649 | Speed Control Lamp Control Circuit | Body | Low | Cruise control indicator lamp circuit | Test cruise control lamp circuit | All models | 1996+ |
| P0650 | Malfunction Indicator Lamp Control Circuit | Body | Low | Check engine light circuit malfunction | Check MIL circuit | All models | 1996+ |
| P0651 | Sensor Reference Voltage B Circuit Open | ECM | High | Second 5V reference circuit open | Check second 5V reference circuit | All models | 2005+ |
| P0652 | Sensor Reference Voltage B Circuit Low | ECM | High | Second 5V reference circuit low | Test second 5V reference voltage | All models | 2005+ |
| P0653 | Sensor Reference Voltage B Circuit High | ECM | High | Second 5V reference circuit high | Check second 5V reference circuit | All models | 2005+ |
| P0654 | Engine RPM Output Circuit | ECM | Low | Tachometer output circuit malfunction | Test tachometer output circuit | All models | 2000+ |
| P0655 | Engine Hot Lamp Output Control Circuit | Body | Low | Engine hot warning lamp circuit | Check engine hot lamp circuit | All models | 2000+ |
| P0656 | Fuel Level Output Circuit | Body | Low | Fuel gauge output circuit malfunction | Test fuel gauge output circuit | All models | 2000+ |
| P0657 | Actuator Supply Voltage A Circuit Open | ECM | High | Actuator power supply circuit open | Check actuator power supply | All models | 2005+ |
| P0658 | Actuator Supply Voltage A Circuit Low | ECM | High | Actuator power supply circuit low | Test actuator power supply voltage | All models | 2005+ |
| P0659 | Actuator Supply Voltage A Circuit High | ECM | High | Actuator power supply circuit high | Check actuator power supply circuit | All models | 2005+ |
| P0660 | Intake Manifold Tuning Valve Control Circuit Open Bank 1 | Engine | Medium | IMTV control circuit open | Check IMTV control circuit | V6 models with IMTV | 2005+ |
| P0661 | Intake Manifold Tuning Valve Control Circuit Low Bank 1 | Engine | Medium | IMTV control circuit low | Test IMTV control wiring | V6 models with IMTV | 2005+ |
| P0662 | Intake Manifold Tuning Valve Control Circuit High Bank 1 | Engine | Medium | IMTV control circuit high | Check IMTV control circuit | V6 models with IMTV | 2005+ |
| P0663 | Intake Manifold Tuning Valve Control Circuit Open Bank 2 | Engine | Medium | Bank 2 IMTV control circuit open | Check Bank 2 IMTV control circuit | V6 models with IMTV | 2005+ |
| P0664 | Intake Manifold Tuning Valve Control Circuit Low Bank 2 | Engine | Medium | Bank 2 IMTV control circuit low | Test Bank 2 IMTV control wiring | V6 models with IMTV | 2005+ |
| P0665 | Intake Manifold Tuning Valve Control Circuit High Bank 2 | Engine | Medium | Bank 2 IMTV control circuit high | Check Bank 2 IMTV control circuit | V6 models with IMTV | 2005+ |
| P0666 | PCM/ECM/TCM Internal Temperature Sensor Circuit | ECM | Medium | ECM temperature sensor malfunction | Test ECM temperature sensor | All models | 2005+ |
| P0667 | PCM/ECM/TCM Internal Temperature Sensor Range/Performance | ECM | Medium | ECM temperature sensor out of range | Check ECM temperature sensor operation | All models | 2005+ |
| P0668 | PCM/ECM/TCM Internal Temperature Sensor Circuit Low | ECM | Medium | ECM temperature sensor low signal | Test ECM temperature sensor wiring | All models | 2005+ |
| P0669 | PCM/ECM/TCM Internal Temperature Sensor Circuit High | ECM | Medium | ECM temperature sensor high signal | Check ECM temperature sensor | All models | 2005+ |
| P0670 | Glow Plug Module Control Circuit | Engine | Medium | Glow plug control module malfunction | Test glow plug control module | Diesel models | 2000+ |
| P0671 | Cylinder 1 Glow Plug Circuit | Engine | Medium | Cylinder 1 glow plug circuit malfunction | Test cylinder 1 glow plug | Diesel models | 2000+ |
| P0672 | Cylinder 2 Glow Plug Circuit | Engine | Medium | Cylinder 2 glow plug circuit malfunction | Test cylinder 2 glow plug | Diesel models | 2000+ |
| P0673 | Cylinder 3 Glow Plug Circuit | Engine | Medium | Cylinder 3 glow plug circuit malfunction | Test cylinder 3 glow plug | Diesel models | 2000+ |
| P0674 | Cylinder 4 Glow Plug Circuit | Engine | Medium | Cylinder 4 glow plug circuit malfunction | Test cylinder 4 glow plug | Diesel models | 2000+ |
| P0700 | Transmission Control System Malfunction | Transmission | High | TCM communication error; transmission issues | Scan TCM for additional codes | Automatic models | 1996+ |
| P0701 | Transmission Control System Range/Performance | Transmission | High | TCM performance issues | Test TCM operation | Automatic models | 1996+ |
| P0702 | Transmission Control System Electrical | Transmission | High | TCM electrical malfunction | Check TCM electrical connections | Automatic models | 1996+ |
| P0703 | Torque Converter/Brake Switch B Circuit Malfunction | Transmission | Medium | Brake switch circuit malfunction | Test brake switch operation | Automatic models | 1996+ |
| P0704 | Clutch Switch Input Circuit Malfunction | Transmission | Medium | Clutch switch circuit malfunction | Test clutch switch | Manual models | 1996+ |
| P0705 | Transmission Range Sensor Circuit Malfunction PRNDL Input | Transmission | High | Transmission range sensor failure | Test transmission range sensor | Automatic models | 1996+ |
| P0706 | Transmission Range Sensor Circuit Range/Performance | Transmission | High | Transmission range sensor out of range | Check transmission range sensor operation | Automatic models | 1996+ |
| P0707 | Transmission Range Sensor Circuit Low Input | Transmission | High | Transmission range sensor low signal | Test transmission range sensor wiring | Automatic models | 1996+ |
| P0708 | Transmission Range Sensor Circuit High Input | Transmission | High | Transmission range sensor high signal | Check transmission range sensor | Automatic models | 1996+ |
| P0709 | Transmission Range Sensor Circuit Intermittent | Transmission | High | Transmission range sensor intermittent | Check transmission range sensor connections | Automatic models | 1996+ |
| P0710 | Transmission Fluid Temperature Sensor Circuit Malfunction | Transmission | Medium | ATF temperature sensor failure | Test ATF temperature sensor | Automatic models | 1996+ |
| P0711 | Transmission Fluid Temperature Sensor Circuit Range/Performance | Transmission | Medium | ATF temperature sensor out of range | Check ATF temperature sensor operation | Automatic models | 1996+ |
| P0712 | Transmission Fluid Temperature Sensor Circuit Low Input | Transmission | Medium | ATF temperature sensor low signal | Test ATF temperature sensor wiring | Automatic models | 1996+ |
| P0713 | Transmission Fluid Temperature Sensor Circuit High Input | Transmission | Medium | ATF temperature sensor high signal | Check ATF temperature sensor | Automatic models | 1996+ |
| P0714 | Transmission Fluid Temperature Sensor Circuit Intermittent | Transmission | Medium | ATF temperature sensor intermittent | Check ATF temperature sensor connections | Automatic models | 1996+ |
| P0715 | Input/Turbine Speed Sensor Circuit Malfunction | Transmission | High | Input speed sensor failure | Test input speed sensor | Automatic models | 1996+ |
| P0716 | Input/Turbine Speed Sensor Circuit Range/Performance | Transmission | High | Input speed sensor out of range | Check input speed sensor operation | Automatic models | 1996+ |
| P0717 | Input/Turbine Speed Sensor Circuit No Signal | Transmission | High | Input speed sensor no signal | Test input speed sensor wiring | Automatic models | 1996+ |
| P0718 | Input/Turbine Speed Sensor Circuit Intermittent | Transmission | High | Input speed sensor intermittent | Check input speed sensor connections | Automatic models | 1996+ |
| P0719 | Torque Converter/Brake Switch B Circuit Low | Transmission | Medium | Brake switch circuit low | Test brake switch wiring | Automatic models | 1996+ |
| P0720 | Output Speed Sensor Circuit Malfunction | Transmission | High | Output speed sensor failure | Test output speed sensor | Automatic models | 1996+ |
| P0721 | Output Speed Sensor Circuit Range/Performance | Transmission | High | Output speed sensor out of range | Check output speed sensor operation | Automatic models | 1996+ |
| P0722 | Output Speed Sensor Circuit No Signal | Transmission | High | Output speed sensor no signal | Test output speed sensor wiring | Automatic models | 1996+ |
| P0723 | Output Speed Sensor Circuit Intermittent | Transmission | High | Output speed sensor intermittent | Check output speed sensor connections | Automatic models | 1996+ |
| P0724 | Torque Converter/Brake Switch B Circuit High | Transmission | Medium | Brake switch circuit high | Check brake switch circuit | Automatic models | 1996+ |
| P0725 | Engine Speed Input Circuit Malfunction | Transmission | High | Engine speed signal to TCM malfunction | Check engine speed signal to TCM | Automatic models | 1996+ |
| P0726 | Engine Speed Input Circuit Range/Performance | Transmission | High | Engine speed signal out of range | Test engine speed signal to TCM | Automatic models | 1996+ |
| P0727 | Engine Speed Input Circuit No Signal | Transmission | High | No engine speed signal to TCM | Check engine speed signal wiring | Automatic models | 1996+ |
| P0728 | Engine Speed Input Circuit Intermittent | Transmission | High | Engine speed signal intermittent | Test engine speed signal connections | Automatic models | 1996+ |
| P0730 | Incorrect Gear Ratio | Transmission | High | Transmission slipping; internal damage | Check transmission operation; may need rebuild | Automatic models | 1996+ |
| P0731 | Gear 1 Incorrect Ratio | Transmission | High | 1st gear ratio incorrect; slipping | Test 1st gear operation | Automatic models | 1996+ |
| P0732 | Gear 2 Incorrect Ratio | Transmission | High | 2nd gear ratio incorrect; slipping | Test 2nd gear operation | Automatic models | 1996+ |
| P0733 | Gear 3 Incorrect Ratio | Transmission | High | 3rd gear ratio incorrect; slipping | Test 3rd gear operation | Automatic models | 1996+ |
| P0734 | Gear 4 Incorrect Ratio | Transmission | High | 4th gear ratio incorrect; slipping | Test 4th gear operation | Automatic models | 1996+ |
| P0735 | Gear 5 Incorrect Ratio | Transmission | High | 5th gear ratio incorrect; slipping | Test 5th gear operation | 5+ speed automatics | 2000+ |
| P0736 | Reverse Incorrect Ratio | Transmission | High | Reverse gear ratio incorrect | Test reverse gear operation | Automatic models | 1996+ |
| P0740 | Torque Converter Clutch Circuit Malfunction | Transmission | Medium | TCC solenoid failure; wiring issues | Test TCC solenoid and circuit | Automatic models | 1996+ |
| P0741 | Torque Converter Clutch Circuit Performance or Stuck Off | Transmission | Medium | TCC not engaging; solenoid issues | Check TCC operation | Automatic models | 1996+ |
| P0742 | Torque Converter Clutch Circuit Stuck On | Transmission | Medium | TCC stuck engaged; harsh shifts | Test TCC release operation | Automatic models | 1996+ |
| P0743 | Torque Converter Clutch Circuit Electrical | Transmission | Medium | TCC circuit electrical problem | Check TCC circuit wiring | Automatic models | 1996+ |
| P0744 | Torque Converter Clutch Circuit Intermittent | Transmission | Medium | TCC circuit intermittent operation | Test TCC circuit connections | Automatic models | 1996+ |
| P0745 | Pressure Control Solenoid Malfunction | Transmission | High | Line pressure solenoid failure | Test line pressure solenoid | Automatic models | 1996+ |
| P0746 | Pressure Control Solenoid Performance or Stuck Off | Transmission | High | Line pressure solenoid stuck off | Check line pressure solenoid operation | Automatic models | 1996+ |
| P0747 | Pressure Control Solenoid Stuck On | Transmission | High | Line pressure solenoid stuck on | Test line pressure solenoid | Automatic models | 1996+ |
| P0748 | Pressure Control Solenoid Electrical | Transmission | High | Line pressure solenoid electrical issue | Check line pressure solenoid wiring | Automatic models | 1996+ |
| P0749 | Pressure Control Solenoid Intermittent | Transmission | High | Line pressure solenoid intermittent | Test line pressure solenoid connections | Automatic models | 1996+ |
| P0750 | Shift Solenoid A Malfunction | Transmission | High | Shift solenoid A failure | Test shift solenoid A | Automatic models | 1996+ |
| P0751 | Shift Solenoid A Performance or Stuck Off | Transmission | High | Shift solenoid A stuck off | Check shift solenoid A operation | Automatic models | 1996+ |
| P0752 | Shift Solenoid A Stuck On | Transmission | High | Shift solenoid A stuck on | Test shift solenoid A | Automatic models | 1996+ |
| P0753 | Shift Solenoid A Electrical | Transmission | High | Shift solenoid A electrical issue | Check shift solenoid A wiring | Automatic models | 1996+ |
| P0754 | Shift Solenoid A Intermittent | Transmission | High | Shift solenoid A intermittent | Test shift solenoid A connections | Automatic models | 1996+ |
| P0755 | Shift Solenoid B Malfunction | Transmission | High | Shift solenoid B failure | Test shift solenoid B | Automatic models | 1996+ |
| P0756 | Shift Solenoid B Performance or Stuck Off | Transmission | High | Shift solenoid B stuck off | Check shift solenoid B operation | Automatic models | 1996+ |
| P0757 | Shift Solenoid B Stuck On | Transmission | High | Shift solenoid B stuck on | Test shift solenoid B | Automatic models | 1996+ |
| P0758 | Shift Solenoid B Electrical | Transmission | High | Shift solenoid B electrical issue | Check shift solenoid B wiring | Automatic models | 1996+ |
| P0759 | Shift Solenoid B Intermittent | Transmission | High | Shift solenoid B intermittent | Test shift solenoid B connections | Automatic models | 1996+ |
| P0760 | Shift Solenoid C Malfunction | Transmission | High | Shift solenoid C failure | Test shift solenoid C | Automatic models | 1996+ |
| P0761 | Shift Solenoid C Performance or Stuck Off | Transmission | High | Shift solenoid C stuck off | Check shift solenoid C operation | Automatic models | 1996+ |
| P0762 | Shift Solenoid C Stuck On | Transmission | High | Shift solenoid C stuck on | Test shift solenoid C | Automatic models | 1996+ |
| P0763 | Shift Solenoid C Electrical | Transmission | High | Shift solenoid C electrical issue | Check shift solenoid C wiring | Automatic models | 1996+ |
| P0764 | Shift Solenoid C Intermittent | Transmission | High | Shift solenoid C intermittent | Test shift solenoid C connections | Automatic models | 1996+ |
| P0765 | Shift Solenoid D Malfunction | Transmission | High | Shift solenoid D failure | Test shift solenoid D | Automatic models | 2000+ |
| P0766 | Shift Solenoid D Performance or Stuck Off | Transmission | High | Shift solenoid D stuck off | Check shift solenoid D operation | Automatic models | 2000+ |
| P0767 | Shift Solenoid D Stuck On | Transmission | High | Shift solenoid D stuck on | Test shift solenoid D | Automatic models | 2000+ |
| P0768 | Shift Solenoid D Electrical | Transmission | High | Shift solenoid D electrical issue | Check shift solenoid D wiring | Automatic models | 2000+ |
| P0769 | Shift Solenoid D Intermittent | Transmission | High | Shift solenoid D intermittent | Test shift solenoid D connections | Automatic models | 2000+ |
| P0770 | Shift Solenoid E Malfunction | Transmission | High | Shift solenoid E failure | Test shift solenoid E | Automatic models | 2000+ |
| P0771 | Shift Solenoid E Performance or Stuck Off | Transmission | High | Shift solenoid E stuck off | Check shift solenoid E operation | Automatic models | 2000+ |
| P0772 | Shift Solenoid E Stuck On | Transmission | High | Shift solenoid E stuck on | Test shift solenoid E | Automatic models | 2000+ |
| P0773 | Shift Solenoid E Electrical | Transmission | High | Shift solenoid E electrical issue | Check shift solenoid E wiring | Automatic models | 2000+ |
| P0774 | Shift Solenoid E Intermittent | Transmission | High | Shift solenoid E intermittent | Test shift solenoid E connections | Automatic models | 2000+ |
| P0781 | 1-2 Shift Malfunction | Transmission | High | 1-2 shift problem; solenoids; valve body | Check 1-2 shift operation | Automatic models | 1996+ |
| P0782 | 2-3 Shift Malfunction | Transmission | High | 2-3 shift problem; solenoids; valve body | Check 2-3 shift operation | Automatic models | 1996+ |
| P0783 | 3-4 Shift Malfunction | Transmission | High | 3-4 shift problem; solenoids; valve body | Check 3-4 shift operation | Automatic models | 1996+ |
| P0784 | 4-5 Shift Malfunction | Transmission | High | 4-5 shift problem; solenoids; valve body | Check 4-5 shift operation | 5+ speed automatics | 2000+ |
| P0785 | Shift/Timing Solenoid Malfunction | Transmission | High | Shift timing solenoid failure | Test shift timing solenoid | Automatic models | 1996+ |
| P0786 | Shift/Timing Solenoid Range/Performance | Transmission | High | Shift timing solenoid performance | Check shift timing solenoid operation | Automatic models | 1996+ |
| P0787 | Shift/Timing Solenoid Low | Transmission | High | Shift timing solenoid low | Test shift timing solenoid wiring | Automatic models | 1996+ |
| P0788 | Shift/Timing Solenoid High | Transmission | High | Shift timing solenoid high | Check shift timing solenoid circuit | Automatic models | 1996+ |
| P0789 | Shift/Timing Solenoid Intermittent | Transmission | High | Shift timing solenoid intermittent | Test shift timing solenoid connections | Automatic models | 1996+ |
| P0790 | Normal/Performance Switch Circuit Malfunction | Transmission | Low | Normal/Performance switch failure | Test mode switch | Automatic models | 1996+ |
| P0791 | Intermediate Shaft Speed Sensor Circuit | Transmission | Medium | Intermediate shaft speed sensor failure | Test intermediate shaft speed sensor | Some automatics | 2000+ |
| P0792 | Intermediate Shaft Speed Sensor Circuit Range/Performance | Transmission | Medium | Intermediate shaft speed sensor out of range | Check intermediate shaft speed sensor | Some automatics | 2000+ |
| P0793 | Intermediate Shaft Speed Sensor Circuit No Signal | Transmission | Medium | Intermediate shaft speed sensor no signal | Test intermediate shaft speed sensor wiring | Some automatics | 2000+ |
| P0794 | Intermediate Shaft Speed Sensor Circuit Intermittent | Transmission | Medium | Intermediate shaft speed sensor intermittent | Check intermediate shaft speed sensor connections | Some automatics | 2000+ |
| P1120 | Accelerator Pedal Position Sensor Circuit Malfunction | Engine | High | Accelerator pedal position sensor failure | Test accelerator pedal position sensor | Drive-by-wire models | 2002+ |
| P1121 | Accelerator Pedal Position Sensor Range/Performance Problem | Engine | High | Accelerator pedal position sensor out of range | Check accelerator pedal position sensor operation | Drive-by-wire models | 2002+ |
| P1125 | Throttle Control Motor Circuit Malfunction | Engine | Critical | Throttle control motor failure | Test throttle control motor | Drive-by-wire models | 2002+ |
| P1126 | Magnetic Clutch Circuit Malfunction | HVAC | Low | A/C magnetic clutch circuit malfunction | Test A/C clutch circuit | All models | 1996+ |
| P1127 | EVAP Vapor Pressure Sensor Circuit Low Input | Emissions | Low | EVAP vapor pressure sensor low | Test EVAP pressure sensor | Some models | 2000+ |
| P1128 | EVAP Vapor Pressure Sensor Circuit High Input | Emissions | Low | EVAP vapor pressure sensor high | Check EVAP pressure sensor | Some models | 2000+ |
| P1129 | EVAP Vapor Pressure Sensor Circuit Range/Performance | Emissions | Low | EVAP vapor pressure sensor out of range | Check EVAP pressure sensor operation | Some models | 2000+ |
| P1130 | A/F Sensor Circuit Range/Performance Malfunction Bank 1 Sensor 1 | Fuel | Medium | Air/fuel ratio sensor malfunction | Test A/F ratio sensor | Models with A/F sensors | 2000+ |
| P1133 | A/F Sensor Circuit Response Malfunction Bank 1 Sensor 1 | Fuel | Medium | Air/fuel ratio sensor slow response | Check A/F ratio sensor operation | Models with A/F sensors | 2000+ |
| P1135 | A/F Sensor Heater Circuit Malfunction Bank 1 Sensor 1 | Fuel | Medium | Air/fuel ratio sensor heater failure | Test A/F sensor heater circuit | Models with A/F sensors | 2000+ |
| P1150 | A/F Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1 | Fuel | Medium | Bank 2 air/fuel ratio sensor malfunction | Test Bank 2 A/F ratio sensor | V6/V8 with A/F sensors | 2000+ |
| P1153 | A/F Sensor Circuit Response Malfunction Bank 2 Sensor 1 | Fuel | Medium | Bank 2 air/fuel ratio sensor slow response | Check Bank 2 A/F ratio sensor | V6/V8 with A/F sensors | 2000+ |
| P1155 | A/F Sensor Heater Circuit Malfunction Bank 2 Sensor 1 | Fuel | Medium | Bank 2 air/fuel ratio sensor heater failure | Test Bank 2 A/F sensor heater | V6/V8 with A/F sensors | 2000+ |
| P1200 | Fuel Pump Relay Circuit Malfunction | Fuel | High | Fuel pump relay control circuit failure | Test fuel pump relay control | All models | 1996+ |
| P1300 | Igniter Circuit Malfunction No 1 | Ignition | High | Igniter circuit 1 failure | Test igniter circuit | Older models | 1996-2005 |
| P1305 | Igniter Circuit Malfunction No 2 | Ignition | High | Igniter circuit 2 failure | Test igniter circuit 2 | V6/V8 older models | 1996-2005 |
| P1310 | Igniter Circuit Malfunction No 3 | Ignition | High | Igniter circuit 3 failure | Test igniter circuit 3 | V6/V8 older models | 1996-2005 |
| P1315 | Igniter Circuit Malfunction No 4 | Ignition | High | Igniter circuit 4 failure | Test igniter circuit 4 | V8 older models | 1996-2005 |
| P1349 | VVT System Malfunction | Engine | Medium | Variable valve timing system malfunction | Check VVT system operation | Models with VVT | 2000+ |
| P1354 | VVT System Malfunction Bank 2 | Engine | Medium | Bank 2 VVT system malfunction | Check Bank 2 VVT system | V6/V8 with VVT | 2005+ |
| P1400 | Sub-Throttle Position Sensor Malfunction | Engine | Medium | Sub-throttle position sensor failure | Test sub-throttle position sensor | Some models | 2000+ |
| P1401 | Sub-Throttle Position Sensor Range/Performance | Engine | Medium | Sub-throttle position sensor out of range | Check sub-throttle position sensor | Some models | 2000+ |
| P1405 | EGR Temperature Sensor Circuit Malfunction | Emissions | Low | EGR temperature sensor failure | Test EGR temperature sensor | Models with EGR temp sensor | 1996+ |
| P1406 | EGR Temperature Sensor Circuit Range/Performance | Emissions | Low | EGR temperature sensor out of range | Check EGR temperature sensor operation | Models with EGR temp sensor | 1996+ |
| P1410 | EGR Temperature Sensor Circuit High Input | Emissions | Low | EGR temperature sensor high signal | Test EGR temperature sensor | Models with EGR temp sensor | 1996+ |
| P1411 | EGR Temperature Sensor Circuit Low Input | Emissions | Low | EGR temperature sensor low signal | Check EGR temperature sensor wiring | Models with EGR temp sensor | 1996+ |
| P1500 | Starter Signal Circuit Malfunction | Electrical | Medium | Starter signal circuit failure | Test starter signal circuit | All models | 1996+ |
| P1510 | Backup Power Supply Malfunction | Electrical | Low | Backup power supply circuit failure | Check backup power supply | All models | 2000+ |
| P1520 | Stop Light Switch Signal Malfunction | Body | Low | Stop light switch signal failure | Test stop light switch signal | All models | 1996+ |
| P1600 | PCM Battery Circuit Malfunction | ECM | Medium | ECM battery backup circuit failure | Check ECM power supply | All models | 1996+ |
| P1605 | Rough Idle Control System Malfunction | Engine | Medium | Rough idle control system failure | Check idle control system | Some models | 1996+ |
| P1656 | Waste Gate Valve Control Circuit Malfunction | Engine | Medium | Turbo waste gate control failure | Test waste gate control | Turbocharged models | 2000+ |
| P1780 | Park/Neutral Position Switch Malfunction | Transmission | Medium | Park/neutral switch malfunction | Test park/neutral switch | Automatic models | 1996+ |
| B1479 | Driver Seat Position Sensor Circuit Malfunction | Body | Low | Driver seat position sensor failure | Replace seat position sensor | Camry; Avalon; Lexus | 2005+ |
| B1650 | Data Communication Line Malfunction | Network | Medium | Communication bus malfunction | Check communication wiring | All models | 2000+ |
| B2799 | Steering Angle Sensor Initialization Incomplete | Steering | Medium | Steering angle sensor needs calibration | Calibrate steering angle sensor | Models with ESC | 2008+ |
| C1201 | Engine Control System Malfunction | ABS/VSC | High | Engine control system affecting ABS/VSC | Diagnose engine codes first | Models with VSC | 2004+ |
| C1203 | ABS Control System Malfunction | ABS | High | ABS control system failure | Test ABS system | All models | 1996+ |
| C1223 | ABS Sensor Circuit Open/Short Circuit Front Right | ABS | Medium | Front right ABS sensor circuit failure | Test front right ABS sensor | All models | 1996+ |
| C1224 | ABS Sensor Circuit Open/Short Circuit Front Left | ABS | Medium | Front left ABS sensor circuit failure | Test front left ABS sensor | All models | 1996+ |
| C1233 | ABS Sensor Circuit Open/Short Circuit Rear Right | ABS | Medium | Rear right ABS sensor circuit failure | Test rear right ABS sensor | All models | 1996+ |
| C1234 | ABS Sensor Circuit Open/Short Circuit Rear Left | ABS | Medium | Rear left ABS sensor circuit failure | Test rear left ABS sensor | All models | 1996+ |
| C1241 | Low Battery Positive Voltage | ABS | Medium | Low battery voltage affecting ABS | Check battery and charging system | All models | 1996+ |
| C1242 | ABS Inlet Valve Circuit Malfunction Right Front | ABS | High | Right front ABS inlet valve failure | Test right front inlet valve | All models | 1996+ |
| C1243 | ABS Inlet Valve Circuit Malfunction Left Front | ABS | High | Left front ABS inlet valve failure | Test left front inlet valve | All models | 1996+ |
| C1244 | ABS Inlet Valve Circuit Malfunction Right Rear | ABS | High | Right rear ABS inlet valve failure | Test right rear inlet valve | All models | 1996+ |
| C1245 | ABS Inlet Valve Circuit Malfunction Left Rear | ABS | High | Left rear ABS inlet valve failure | Test left rear inlet valve | All models | 1996+ |
| C1246 | ABS Outlet Valve Circuit Malfunction Right Front | ABS | High | Right front ABS outlet valve failure | Test right front outlet valve | All models | 1996+ |
| C1247 | ABS Outlet Valve Circuit Malfunction Left Front | ABS | High | Left front ABS outlet valve failure | Test left front outlet valve | All models | 1996+ |
| C1248 | ABS Outlet Valve Circuit Malfunction Right Rear | ABS | High | Right rear ABS outlet valve failure | Test right rear outlet valve | All models | 1996+ |
| C1249 | ABS Outlet Valve Circuit Malfunction Left Rear | ABS | High | Left rear ABS outlet valve failure | Test left rear outlet valve | All models | 1996+ |
| C1252 | ABS Pump Motor Circuit Malfunction | ABS | High | ABS pump motor failure | Test ABS pump motor | All models | 1996+ |
| C1253 | ABS Pump Motor Relay Circuit Malfunction | ABS | High | ABS pump motor relay failure | Test ABS pump relay | All models | 1996+ |
| C1256 | ABS Actuator Power Source Circuit Malfunction | ABS | High | ABS actuator power supply failure | Check ABS power supply | All models | 1996+ |
| C1271 | ABS/TRC/VSC System Prohibit | ABS/VSC | Medium | ABS/TRC/VSC system disabled | Check system operation conditions | Models with VSC | 2004+ |
| C1277 | VSC/TRAC System Malfunction | VSC | Medium | Vehicle stability control malfunction | Test VSC system | Models with VSC | 2004+ |
| C1278 | VSC/TRAC System Temporarily Malfunctioning | VSC | Medium | VSC system temporarily disabled | Check VSC system conditions | Models with VSC | 2004+ |
| C1279 | VSC System Malfunction | VSC | Medium | VSC system failure | Test VSC components | Models with VSC | 2004+ |
| C1288 | Brake Booster Pressure Sensor Circuit | Brakes | Medium | Brake booster pressure sensor failure | Test brake booster sensor | Models with brake assist | 2010+ |
| C1336 | TRAC System Malfunction | TRAC | Medium | Traction control system failure | Test TRAC system | Models with TRAC | 2000+ |
| C1391 | G-Sensor Malfunction | VSC | Medium | G-sensor (accelerometer) failure | Test G-sensor | Models with VSC | 2004+ |
| C1392 | Yaw Rate Sensor Circuit Malfunction | VSC | Medium | Yaw rate sensor failure | Test yaw rate sensor | Models with VSC | 2004+ |
| C1425 | Deceleration Sensor Circuit Malfunction | VSC | Medium | Deceleration sensor failure | Test deceleration sensor | Models with VSC | 2004+ |
| C1426 | Deceleration Sensor Range/Performance | VSC | Medium | Deceleration sensor out of range | Check deceleration sensor operation | Models with VSC | 2004+ |
| C1427 | Deceleration Sensor Circuit Low | VSC | Medium | Deceleration sensor low signal | Test deceleration sensor wiring | Models with VSC | 2004+ |
| C1428 | Deceleration Sensor Circuit High | VSC | Medium | Deceleration sensor high signal | Check deceleration sensor | Models with VSC | 2004+ |
| U0073 | Control Module Communication Bus A Off | Network | Medium | CAN bus communication error | Check CAN bus wiring and termination | 2010+ models | 2010+ |
| U0100 | Lost Communication with ECM/PCM | Network | High | ECM communication lost | Check ECM communication | All models | 2003+ |
| U0101 | Lost Communication with TCM | Network | High | TCM communication lost | Check TCM communication | Automatic models | 2003+ |
| U0122 | Lost Communication with Vehicle Dynamics Control Module | Network | Medium | VSC module communication lost | Check VSC module communication | Models with VSC | 2008+ |
| U0140 | Lost Communication with Body Control Module | Network | Medium | BCM communication lost | Check BCM communication | All models | 2005+ |
| U0151 | Lost Communication with Restraints Control Module | Network | Medium | Airbag module communication lost | Check airbag module communication | All models | 2003+ |
| U0155 | Lost Communication with Instrument Panel Control Module | Network | Low | Instrument cluster communication lost | Check cluster communication | All models | 2005+ |
| U0164 | Lost Communication with HVAC Control Module | Network | Low | HVAC module communication lost | Check HVAC module communication | All models | 2005+ |
| U0167 | Lost Communication with Vehicle Immobilizer Control Module | Network | Medium | Immobilizer module communication lost | Check immobilizer communication | Models with immobilizer | 2005+ |
| U0168 | Lost Communication with Vehicle Security Control Module | Network | Medium | Security module communication lost | Check security module communication | Models with security | 2005+ |
| U0200 | Internal Control Module Configuration Error | ECM | Medium | ECM configuration mismatch | Reprogram ECM configuration | All models | 2005+ |
| U0293 | Lost Communication with Hybrid Powertrain Control Module | Network | High | Hybrid control module communication lost | Check hybrid system communication | Hybrid models | 2004+ |
| U1001 | CAN Communication System | Network | Medium | CAN communication system malfunction | Check CAN bus system | All models | 2003+ |
| U1411 | SRS Communication Malfunction | Network | Medium | Airbag system communication error | Check SRS communication | All models | 2000+ |
| U1412 | Battery Voltage Low | Electrical | Medium | Low battery voltage detected | Check battery and charging system | All models | 2000+ |