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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 745–768 of 8256

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P0244Turbocharger/Supercharger Wastegate Actuator A Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0244 relates to turbocharger/supercharger wastegate actuator a range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0245Turbocharger/Supercharger Wastegate Actuator A LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0245 relates to turbocharger/supercharger wastegate actuator a low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0246Turbocharger/Supercharger Wastegate Actuator A HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0246 relates to turbocharger/supercharger wastegate actuator a high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0247Turbocharger/Supercharger Wastegate Actuator BCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0247 relates to turbocharger/supercharger wastegate actuator b. Check the fault conditions and vehicle-specific procedure before replacing parts.P0248Turbocharger/Supercharger Wastegate Actuator B Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0248 relates to turbocharger/supercharger wastegate actuator b range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0249Turbocharger/Supercharger Wastegate Actuator B LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0249 relates to turbocharger/supercharger wastegate actuator b low. Check the fault conditions and vehicle-specific procedure before replacing parts.P024ACharge Air Cooler Bypass Control A Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP024A relates to charge air cooler bypass control a range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P024BCharge Air Cooler Bypass Control A StuckCheck soonSensors & Electronics30–120 minutes for initial diagnosisP024B relates to charge air cooler bypass control a stuck. Check the fault conditions and vehicle-specific procedure before replacing parts.P024CCharge Air Cooler Bypass Position Sensor A CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP024C relates to charge air cooler bypass position sensor a circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P024DCharge Air Cooler Bypass Position Sensor A Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP024D relates to charge air cooler bypass position sensor a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P024ECharge Air Cooler Bypass Position Sensor A Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP024E relates to charge air cooler bypass position sensor a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P024FCharge Air Cooler Bypass Position Sensor A Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP024F relates to charge air cooler bypass position sensor a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0250Turbocharger/Supercharger Wastegate Actuator B HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0250 relates to turbocharger/supercharger wastegate actuator b high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0251Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0251 relates to injection pump fuel metering control a (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0252Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0252 relates to injection pump fuel metering control a range/performance (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0253Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0253 relates to injection pump fuel metering control a low (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0254Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0254 relates to injection pump fuel metering control a high (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0255Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0255 relates to injection pump fuel metering control a intermittent (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0256Injection Pump Fuel Metering Control B (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0256 relates to injection pump fuel metering control b (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0257Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0257 relates to injection pump fuel metering control b range/performance (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0258Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0258 relates to injection pump fuel metering control b low (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P0259Injection Pump Fuel Metering Control B High (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP0259 relates to injection pump fuel metering control b high (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P025AFuel Pump Module A Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP025A relates to fuel pump module a control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P025BFuel Pump Module A Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP025B relates to fuel pump module a control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.