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9,253 diagnostic guides

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Find codes by symptomChoose what you notice to search matching code guides.

Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 8185–8208 of 8256

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P0351Ignition Coil A Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0351 means Ignition Coil A Primary/Secondary Circuit Malfunction. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0352Ignition Coil B Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0352 means Ignition Coil B Primary/Secondary Circuit Malfunction. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0353Ignition Coil C Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0353 means Ignition Coil C Primary/Secondary Circuit Malfunction. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0354Ignition Coil D Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0354 means Ignition Coil D Primary/Secondary Circuit Malfunction. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0355Ignition Coil E Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0355 means Ignition Coil E Primary/Secondary Circuit Malfunction. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0502Vehicle Speed Sensor A Circuit Low InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0502 means Vehicle Speed Sensor A Circuit Low Input. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0503Vehicle Speed Sensor A Intermittent/Erratic/HighCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0503 means Vehicle Speed Sensor A Intermittent/Erratic/High. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0615Starter Relay CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0615 means Starter Relay Circuit. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0757Shift Solenoid B Stuck OnCheck soonTransmission Issues45–120 minutes for initial diagnosisP0757 means Shift Solenoid B Stuck On. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0758Shift Solenoid B ElectricalCheck soonTransmission Issues45–120 minutes for initial diagnosisP0758 means Shift Solenoid B Electrical. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0759Shift Solenoid B IntermittentCheck soonTransmission Issues45–120 minutes for initial diagnosisP0759 means Shift Solenoid B Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0761Shift Solenoid C Performance or Stuck OffCheck soonTransmission Issues45–120 minutes for initial diagnosisP0761 means Shift Solenoid C Performance or Stuck Off. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0762Shift Solenoid C Stuck OnCheck soonTransmission Issues45–120 minutes for initial diagnosisP0762 means Shift Solenoid C Stuck On. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0763Shift Solenoid C ElectricalCheck soonTransmission Issues45–120 minutes for initial diagnosisP0763 means Shift Solenoid C Electrical. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0764Shift Solenoid C IntermittentCheck soonTransmission Issues45–120 minutes for initial diagnosisP0764 means Shift Solenoid C Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0766Shift Solenoid D Performance or Stuck OffCheck soonTransmission Issues45–120 minutes for initial diagnosisP0766 means Shift Solenoid D Performance or Stuck Off. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0767Shift Solenoid D Stuck OnCheck soonTransmission Issues45–120 minutes for initial diagnosisP0767 means Shift Solenoid D Stuck On. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0768Shift Solenoid D ElectricalCheck soonTransmission Issues45–120 minutes for initial diagnosisP0768 means Shift Solenoid D Electrical. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0769Shift Solenoid D IntermittentCheck soonTransmission Issues45–120 minutes for initial diagnosisP0769 means Shift Solenoid D Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0771Shift Solenoid E Performance or Stuck OffCheck soonTransmission Issues45–120 minutes for initial diagnosisP0771 means Shift Solenoid E Performance or Stuck Off. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0772Shift Solenoid E Stuck OnCheck soonTransmission Issues45–120 minutes for initial diagnosisP0772 means Shift Solenoid E Stuck On. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0773Shift Solenoid E ElectricalCheck soonTransmission Issues45–120 minutes for initial diagnosisP0773 means Shift Solenoid E Electrical. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0774Shift Solenoid E IntermittentCheck soonTransmission Issues45–120 minutes for initial diagnosisP0774 means Shift Solenoid E Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.U0002High Speed CAN Communication Bus PerformanceCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0002 means High Speed CAN Communication Bus Performance. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.