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9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh 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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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.
Diagnostic codes
Showing 9145–9168 of 9253
P0325Knock Sensor 1 Circuit Malfunction Bank 1Sensors & ElectronicsP0327Knock Sensor 1 Circuit Low Input Bank 1Sensors & ElectronicsP0330Knock Sensor Circuit Malfunction Bank 2Engine ProblemsP0337Crankshaft Position Sensor A Circuit Low InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0338Crankshaft Position Sensor A Circuit High InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0339Crankshaft Position Sensor A Circuit IntermittentCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0341Camshaft Position Sensor A Circuit Range/Performance Bank 1Sensors & ElectronicsP0342Camshaft Position Sensor A Circuit Low Input Bank 1Check soonSensors & Electronics45–120 minutes for initial diagnosisP0343Camshaft Position Sensor A Circuit High Input Bank 1Check soonSensors & Electronics45–120 minutes for initial diagnosisP0344Camshaft Position Sensor A Circuit Intermittent Bank 1Check soonSensors & Electronics45–120 minutes for initial diagnosisP0350Ignition Coil Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0351Ignition Coil A Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0352Ignition Coil B Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0353Ignition Coil C Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0354Ignition Coil D Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0355Ignition Coil E Primary/Secondary Circuit MalfunctionCheck soonEngine Problems45–120 minutes for initial diagnosisP0403Exhaust Gas Recirculation Control Circuit MalfunctionLow priorityEmissions System30–90 minutes for initial diagnosisP0404Exhaust Gas Recirculation Control Circuit Range/PerformanceLow priorityEmissions System30–90 minutes for initial diagnosisP0405Exhaust Gas Recirculation Sensor A Circuit LowLow priorityEmissions System30–90 minutes for initial diagnosisP0406Exhaust Gas Recirculation Sensor A Circuit HighLow priorityEmissions System30–90 minutes for initial diagnosisP0410Secondary Air Injection System MalfunctionEmissions SystemP0412Secondary Air Injection System Switching Valve A Circuit MalfunctionLow priorityEmissions System30–90 minutes for initial diagnosisP0413Secondary Air Injection System Switching Valve A Circuit OpenLow priorityEmissions System30–90 minutes for initial diagnosisP0414Secondary Air Injection System Switching Valve A Circuit ShortedLow priorityEmissions System30–90 minutes for initial diagnosis