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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.

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 121–144 of 6682

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P00BEMass or Volume Air Flow B Circuit Range/Performance - Air Flow Too LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00BE relates to mass or volume air flow b circuit range/performance - air flow too low. Check the fault conditions and vehicle-specific procedure before replacing parts.P00BFMass or Volume Air Flow B Circuit Range/Performance - Air Flow Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00BF relates to mass or volume air flow b circuit range/performance - air flow too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C0Turbocharger/Supercharger Bypass Valve B Control CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00C0 relates to turbocharger/supercharger bypass valve b control circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C1Turbocharger/Supercharger Bypass Valve B Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00C1 relates to turbocharger/supercharger bypass valve b control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C2Turbocharger/Supercharger Bypass Valve B Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00C2 relates to turbocharger/supercharger bypass valve b control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C3Turbocharger/Supercharger Bypass Valve B Control Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00C3 relates to turbocharger/supercharger bypass valve b control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C4Turbocharger/Supercharger Bypass Valve B - MechanicalCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00C4 relates to turbocharger/supercharger bypass valve b - mechanical. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C6Fuel Rail Pressure Too Low - Engine Cranking Bank 1Check soonFuel System30–120 minutes for initial diagnosisP00C6 relates to fuel rail pressure too low - engine cranking bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C7Intake Air Pressure Measurement System - Multiple Sensor Correlation Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00C7 relates to intake air pressure measurement system - multiple sensor correlation bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C8Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP00C8 relates to fuel pressure regulator a solenoid supply voltage control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P00C9Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP00C9 relates to fuel pressure regulator a solenoid supply voltage control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P00CAFuel Pressure Regulator A Solenoid Supply Voltage Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP00CA relates to fuel pressure regulator a solenoid supply voltage control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00CBFuel Volume Regulator Solenoid Supply Voltage Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP00CB relates to fuel volume regulator solenoid supply voltage control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P00CCFuel Volume Regulator Solenoid Supply Voltage Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP00CC relates to fuel volume regulator solenoid supply voltage control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P00CDFuel Volume Regulator Solenoid Supply Voltage Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP00CD relates to fuel volume regulator solenoid supply voltage control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00CEIntake Air Temperature Measurement System - Multiple Sensor Correlation Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00CE relates to intake air temperature measurement system - multiple sensor correlation bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00CFBarometric Pressure - Turbocharger/Supercharger Boost Sensor A CorrelationCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00CF relates to barometric pressure - turbocharger/supercharger boost sensor a correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P00D0Barometric Pressure - Turbocharger/Supercharger Boost Sensor B CorrelationCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00D0 relates to barometric pressure - turbocharger/supercharger boost sensor b correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P00D5HO2S Sensor Correlation Bank 1 Sensor 1/Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00D5 relates to ho2s sensor correlation bank 1 sensor 1/bank 1 sensor 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00D6HO2S Sensor Correlation Bank 2 Sensor 1/Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00D6 relates to ho2s sensor correlation bank 2 sensor 1/bank 2 sensor 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00D7Turbocharger/Supercharger Bypass Valve A Temperature Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00D7 relates to turbocharger/supercharger bypass valve a temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00D8Turbocharger/Supercharger Bypass Valve B Temperature Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00D8 relates to turbocharger/supercharger bypass valve b temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00DECharge Air Cooler Coolant Temperature Sensor A CircuitCheck soonEngine Problems30–120 minutes for initial diagnosisP00DE relates to charge air cooler coolant temperature sensor a circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P00DFCharge Air Cooler Coolant Temperature Sensor A Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP00DF relates to charge air cooler coolant temperature sensor a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.