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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.

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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Severity

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 1993–2016 of 6682

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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.P09A2Gate Select Position Circuit BCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A2 relates to gate select position circuit b. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A3Gate Select Position Circuit B Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A3 relates to gate select position circuit b range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A4Gate Select Position Circuit B LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A4 relates to gate select position circuit b low. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A5Gate Select Position Circuit B HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A5 relates to gate select position circuit b high. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A6Gate Select Position Circuit CCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A6 relates to gate select position circuit c. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A7Gate Select Position Circuit C Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A7 relates to gate select position circuit c range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A8Gate Select Position Circuit C LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A8 relates to gate select position circuit c low. Check the fault conditions and vehicle-specific procedure before replacing parts.P09A9Gate Select Position Circuit C HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP09A9 relates to gate select position circuit c high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0A00Motor Electronics Coolant Temperature Sensor A CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A00 concerns motor electronics coolant temperature sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0A01Motor Electronics Coolant Temperature Sensor A Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A01 concerns motor electronics coolant temperature sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0A02Motor Electronics Coolant Temperature Sensor A Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A02 concerns motor electronics coolant temperature sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.P0A03Motor Electronics Coolant Temperature Sensor A Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A03 concerns motor electronics coolant temperature sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.