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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 6529–6552 of 7353

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P2CD3Hybrid/EV Battery Pack N DeteriorationCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CD3 relates to hybrid/ev battery pack n deterioration. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CD4A/C Refrigerant Pressure Sensor A/B CorrelationLow prioritySensors & Electronics30–120 minutes for initial diagnosisP2CD4 relates to a/c refrigerant pressure sensor a/b correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CD5Turbocharger/Supercharger Bypass Valve C StuckCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CD5 relates to turbocharger/supercharger bypass valve c stuck. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CD6Turbocharger/Supercharger Boost Sensor D CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CD6 relates to turbocharger/supercharger boost sensor d circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CD7Turbocharger/Supercharger Boost Sensor D Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CD7 relates to turbocharger/supercharger boost sensor d circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CD8Turbocharger/Supercharger Boost Sensor D Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CD8 relates to turbocharger/supercharger boost sensor d circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CD9Turbocharger/Supercharger Boost Sensor D Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CD9 relates to turbocharger/supercharger boost sensor d circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CDAAlternative Fuel Tank A Vacuum Insulation DeterioratedCheck soonFuel System30–120 minutes for initial diagnosisP2CDA relates to alternative fuel tank a vacuum insulation deteriorated. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CDBCold Start Cylinder 1 Deactivation/Intake Valve Control PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2CDB relates to cold start cylinder 1 deactivation/intake valve control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CDCCold Start Cylinder 2 Deactivation/Intake Valve Control PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2CDC relates to cold start cylinder 2 deactivation/intake valve control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CDDCold Start Cylinder 3 Deactivation/Intake Valve Control PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2CDD relates to cold start cylinder 3 deactivation/intake valve control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CDECold Start Cylinder 4 Deactivation/Intake Valve Control PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2CDE relates to cold start cylinder 4 deactivation/intake valve control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CDFCold Start Cylinder 5 Deactivation/Intake Valve Control PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2CDF relates to cold start cylinder 5 deactivation/intake valve control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE0Cold Start Cylinder 6 Deactivation/Intake Valve Control PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2CE0 relates to cold start cylinder 6 deactivation/intake valve control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE1Intake Air Heater C Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CE1 relates to intake air heater c circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE2Intake Air Heater C Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CE2 relates to intake air heater c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE3Intake Air Heater C Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CE3 relates to intake air heater c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE4Intake Air Heater C Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CE4 relates to intake air heater c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE5Particulate Filter Pressure Sensor C CircuitCheck soonEmissions System30–120 minutes for initial diagnosisP2CE5 relates to particulate filter pressure sensor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE6Particulate Filter Pressure Sensor C Circuit Range/PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2CE6 relates to particulate filter pressure sensor c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE7Particulate Filter Pressure Sensor C Circuit LowCheck soonEmissions System30–120 minutes for initial diagnosisP2CE7 relates to particulate filter pressure sensor c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE8Particulate Filter Pressure Sensor C Circuit HighCheck soonEmissions System30–120 minutes for initial diagnosisP2CE8 relates to particulate filter pressure sensor c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE9Particulate Filter Pressure Sensor C Circuit Intermittent/ErraticCheck soonEmissions System30–120 minutes for initial diagnosisP2CE9 relates to particulate filter pressure sensor c circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CEAParticulate Filter Pressure Sensor D CircuitCheck soonEmissions System30–120 minutes for initial diagnosisP2CEA relates to particulate filter pressure sensor d circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.