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

Diagnostic codes

Showing 433–456 of 987

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P241EReductant Heater Coolant Control Valve Stuck ClosedCheck soonEngine Problems30–120 minutes for initial diagnosisP241E relates to reductant heater coolant control valve stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2556Engine Coolant Level Sensor/Switch CircuitCheck soonEngine Problems30–120 minutes for initial diagnosisP2556 relates to engine coolant level sensor/switch circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2557Engine Coolant Level Sensor/Switch Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2557 relates to engine coolant level sensor/switch circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2558Engine Coolant Level Sensor/Switch Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP2558 relates to engine coolant level sensor/switch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2559Engine Coolant Level Sensor/Switch Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP2559 relates to engine coolant level sensor/switch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2560Engine Coolant Level LowCheck soonEngine Problems30–120 minutes for initial diagnosisP2560 relates to engine coolant level low. Check the fault conditions and vehicle-specific procedure before replacing parts.P25AFCoolant Temperature Control Module Requested MIL IlluminationCheck soonEngine Problems30–120 minutes for initial diagnosisP25AF relates to coolant temperature control module requested mil illumination. Check the fault conditions and vehicle-specific procedure before replacing parts.P25CAIntake Camshaft Actuator Park Lock Control Circuit/Open Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25CA relates to intake camshaft actuator park lock control circuit/open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25CBIntake Camshaft Actuator Park Lock Control Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25CB relates to intake camshaft actuator park lock control circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25CCIntake Camshaft Actuator Park Lock Control Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25CC relates to intake camshaft actuator park lock control circuit high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25CDIntake Camshaft Actuator Park Lock Control Circuit/Open Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25CD relates to intake camshaft actuator park lock control circuit/open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P25CEIntake Camshaft Actuator Park Lock Control Circuit Low Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25CE relates to intake camshaft actuator park lock control circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P25CFIntake Camshaft Actuator Park Lock Control Circuit High Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25CF relates to intake camshaft actuator park lock control circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P25D0Exhaust Camshaft Actuator Park Lock Control Circuit/Open Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25D0 relates to exhaust camshaft actuator park lock control circuit/open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25D1Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25D1 relates to exhaust camshaft actuator park lock control circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25D2Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25D2 relates to exhaust camshaft actuator park lock control circuit high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25D3Exhaust Camshaft Actuator Park Lock Control Circuit/Open Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25D3 relates to exhaust camshaft actuator park lock control circuit/open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P25D4Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25D4 relates to exhaust camshaft actuator park lock control circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P25D5Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25D5 relates to exhaust camshaft actuator park lock control circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P25DDA Camshaft Position - Stuck In Locked Position Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25DD relates to a camshaft position - stuck in locked position bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25DEA Camshaft Position - Unable to Achieve Locked Position Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25DE relates to a camshaft position - unable to achieve locked position bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25DFA Camshaft Position Control Performance Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP25DF relates to a camshaft position control performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P25E0A Camshaft Position - Stuck In Locked Position Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25E0 relates to a camshaft position - stuck in locked position bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P25E1A Camshaft Position - Unable to Achieve Locked Position Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP25E1 relates to a camshaft position - unable to achieve locked position bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.