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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

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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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Diagnostic codes

Showing 1–24 of 1049

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P0128Coolant Thermostat Below Regulating TemperatureCheck soonEngine Problems30–75 minutesDiagnose P0128 thermostat code. Learn why your engine isn't reaching operating temperature.P0217Engine Overtemperature ConditionUrgentEngine Problems1–3 hours for initial diagnosisP0217 means Engine Overtemperature Condition. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0304Cylinder 4 Misfire Detected - Causes & FixesUrgentEngine Problems30–75 minutesLearn what P0304 means, why cylinder 4 is misfiring, and how to fix it. Complete guide with symptoms, causes, and step-by-step solutions.P000AA Camshaft Position Slow Response Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP000A relates to a camshaft position slow response bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P000BB Camshaft Position Slow Response Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP000B relates to b camshaft position slow response bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P000CA Camshaft Position Slow Response Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP000C relates to a camshaft position slow response bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P000DB Camshaft Position Slow Response Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP000D relates to b camshaft position slow response bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P0011Camshaft Position Timing Over-Advanced Bank 1Engine ProblemsFix P0011 variable valve timing code. Learn what causes over-advanced cam timing on Bank 1 and how to repair it.P0016Crankshaft/Camshaft Position Correlation Bank 1 Sensor AEngine ProblemsDiagnose P0016 timing correlation code. Learn why the crank and cam signals are out of sync and how to fix it.P001AA Camshaft Profile Actuator A Control Circuit/Open Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP001A relates to a camshaft profile actuator a control circuit/open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P001BA Camshaft Profile Actuator A Control Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP001B relates to a camshaft profile actuator a control circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P001CA Camshaft Profile Actuator A Control Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP001C relates to a camshaft profile actuator a control circuit high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P001DA Camshaft Profile Actuator A Control Circuit/Open Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP001D relates to a camshaft profile actuator a control circuit/open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P001EA Camshaft Profile Actuator A Control Circuit Low Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP001E relates to a camshaft profile actuator a control circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P001FA Camshaft Profile Actuator A Control Circuit High Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP001F relates to a camshaft profile actuator a control circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P002AB Camshaft Profile Actuator A Control Circuit/Open Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP002A relates to b camshaft profile actuator a control circuit/open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P002BB Camshaft Profile Actuator A Control Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP002B relates to b camshaft profile actuator a control circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P002CB Camshaft Profile Actuator A Control Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP002C relates to b camshaft profile actuator a control circuit high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P002DB Camshaft Profile Actuator A Control Circuit/Open Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP002D relates to b camshaft profile actuator a control circuit/open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P002EB Camshaft Profile Actuator A Control Circuit Low Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP002E relates to b camshaft profile actuator a control circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P002FB Camshaft Profile Actuator A Control Circuit High Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP002F relates to b camshaft profile actuator a control circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P003CA Camshaft Profile Actuator A Control Performance/Stuck Off Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP003C relates to a camshaft profile actuator a control performance/stuck off bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P003DA Camshaft Profile Actuator A Control Stuck On Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP003D relates to a camshaft profile actuator a control stuck on bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P003EA Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP003E relates to a camshaft profile actuator a control performance/stuck off bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.