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9,253 diagnostic guides

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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

Code family

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 409–432 of 866

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P0995Transmission Fluid Pressure Sensor/Switch F Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0995 relates to transmission fluid pressure sensor/switch f circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0996Transmission Fluid Pressure Sensor/Switch F Circuit IntermittentCheck soonTransmission Issues30–120 minutes for initial diagnosisP0996 relates to transmission fluid pressure sensor/switch f circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P0997Shift Solenoid F Control Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP0997 relates to shift solenoid f control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0998Shift Solenoid F Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP0998 relates to shift solenoid f control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0999Shift Solenoid F Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0999 relates to shift solenoid f control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P099AShift Solenoid G Control Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP099A relates to shift solenoid g control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P099BShift Solenoid G Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP099B relates to shift solenoid g control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P099CShift Solenoid G Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP099C relates to shift solenoid g control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P099DShift Solenoid H Control Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP099D relates to shift solenoid h control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P099EShift Solenoid H Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP099E relates to shift solenoid h control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P099FShift Solenoid H Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP099F relates to shift solenoid h control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A0Shift Solenoid G Control Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP09A0 relates to shift solenoid g control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A1Shift Solenoid H Control Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP09A1 relates to shift solenoid h control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P25E9Supercharger Disconnect Clutch Stuck OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP25E9 relates to supercharger disconnect clutch stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P25EASupercharger Disconnect Clutch Stuck ClosedCheck soonTransmission Issues30–120 minutes for initial diagnosisP25EA relates to supercharger disconnect clutch stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P25EBSupercharger Disconnect Clutch Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP25EB relates to supercharger disconnect clutch circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P25ECSupercharger Disconnect Clutch Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP25EC relates to supercharger disconnect clutch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P25EDSupercharger Disconnect Clutch Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP25ED relates to supercharger disconnect clutch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P25FESupercharger Disconnect ClutchCheck soonTransmission Issues30–120 minutes for initial diagnosisP25FE relates to supercharger disconnect clutch. Check the fault conditions and vehicle-specific procedure before replacing parts.P26C3Internal Control Module Transmission Range Sensor PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP26C3 relates to internal control module transmission range sensor performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P26C4Internal Control Module Clutch Pedal PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP26C4 relates to internal control module clutch pedal performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D6Engine Coolant Pump Clutch Control Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP26D6 relates to engine coolant pump clutch control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D7Engine Coolant Pump Clutch Performance/Stuck OffCheck soonTransmission Issues30–120 minutes for initial diagnosisP26D7 relates to engine coolant pump clutch performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D8Engine Coolant Pump Clutch Stuck OnCheck soonTransmission Issues30–120 minutes for initial diagnosisP26D8 relates to engine coolant pump clutch stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.