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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.

Check soon P · Powertrain Clear all

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

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All severities9253 Low priority305 Check soon8256 Urgent621

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

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

Diagnostic codes

Showing 6649–6672 of 6682

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P0229Throttle/Pedal Position Sensor/Switch C Circuit IntermittentCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0229 means Throttle/Pedal Position Sensor/Switch C Circuit Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0231Fuel Pump Secondary Circuit LowCheck soonFuel System45–120 minutes for initial diagnosisP0231 means Fuel Pump Secondary Circuit Low. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0232Fuel Pump Secondary Circuit HighCheck soonFuel System45–120 minutes for initial diagnosisP0232 means Fuel Pump Secondary Circuit High. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0233Fuel Pump Secondary Circuit IntermittentCheck soonFuel System45–120 minutes for initial diagnosisP0233 means Fuel Pump Secondary Circuit Intermittent. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0337Crankshaft Position Sensor A Circuit Low InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0337 means Crankshaft Position Sensor A Circuit Low Input. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0338Crankshaft Position Sensor A Circuit High InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0338 means Crankshaft Position Sensor A Circuit High Input. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0339Crankshaft Position Sensor A Circuit IntermittentCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0339 means Crankshaft Position Sensor A Circuit Intermittent. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0342Camshaft Position Sensor A Circuit Low Input Bank 1Check soonSensors & Electronics45–120 minutes for initial diagnosisP0342 means Camshaft Position Sensor A Circuit Low Input Bank 1. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0343Camshaft Position Sensor A Circuit High Input Bank 1Check soonSensors & Electronics45–120 minutes for initial diagnosisP0343 means Camshaft Position Sensor A Circuit High Input Bank 1. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0344Camshaft Position Sensor A Circuit Intermittent Bank 1Check soonSensors & Electronics45–120 minutes for initial diagnosisP0344 means Camshaft Position Sensor A Circuit Intermittent Bank 1. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0350Ignition Coil Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0350 means Ignition Coil Primary/Secondary Circuit Malfunction. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.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.