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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 5929–5952 of 6682

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P2CB5Charge Air Cooler Coolant Pump B Control Module OvertemperatureCheck soonEngine Problems30–120 minutes for initial diagnosisP2CB5 relates to charge air cooler coolant pump b control module overtemperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CB6Turbocharger/Supercharger B Boost System PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CB6 relates to turbocharger/supercharger b boost system performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CB7Turbocharger/Supercharger Boost Pressure B Not Detected – MechanicalCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CB7 relates to turbocharger/supercharger boost pressure b not detected – mechanical. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CB8Turbocharger/Supercharger Boost Pressure B Too High – MechanicalCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CB8 relates to turbocharger/supercharger boost pressure b too high – mechanical. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CB9Fan 2 UnderspeedCheck soonEngine Problems30–120 minutes for initial diagnosisP2CB9 relates to fan 2 underspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CBBFan 3 UnderspeedCheck soonEngine Problems30–120 minutes for initial diagnosisP2CBB relates to fan 3 underspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CBDPCV Heater “B” Control Circuit /OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CBD relates to pcv heater “b” control circuit /open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CBEPCV Heater “B” Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CBE relates to pcv heater “b” control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CBFPCV Heater “B” Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CBF relates to pcv heater “b” control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC0PCV Heater “B” PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2CC0 relates to pcv heater “b” performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC1Generator Voltage Sense Circuit BCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CC1 relates to generator voltage sense circuit b. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC2Generator Voltage Sense Circuit B Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CC2 relates to generator voltage sense circuit b range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC3Generator Voltage Sense Circuit B LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CC3 relates to generator voltage sense circuit b low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC4Generator Voltage Sense Circuit B HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CC4 relates to generator voltage sense circuit b high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC5Generator Inverter Power Supply B Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CC5 relates to generator inverter power supply b circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC6Generator Inverter Power Supply B Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CC6 relates to generator inverter power supply b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC7Generator Inverter Power Supply B Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CC7 relates to generator inverter power supply b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC8Coolant Pump Speed Sensor CircuitCheck soonEngine Problems30–120 minutes for initial diagnosisP2CC8 relates to coolant pump speed sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CC9Coolant Pump Speed Sensor Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2CC9 relates to coolant pump speed sensor range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CCACoolant Pump Speed Sensor Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP2CCA relates to coolant pump speed sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CCBCoolant Pump Speed Sensor Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP2CCB relates to coolant pump speed sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CCCHybrid/EV Battery Pack G DeteriorationCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CCC relates to hybrid/ev battery pack g deterioration. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CCDHybrid/EV Battery Pack H DeteriorationCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CCD relates to hybrid/ev battery pack h deterioration. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CCEHybrid/EV Battery Pack I DeteriorationCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2CCE relates to hybrid/ev battery pack i deterioration. Check the fault conditions and vehicle-specific procedure before replacing parts.