Diagnostic library
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9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh 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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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.
Diagnostic codes
Showing 2761–2784 of 9253
P090BClutch B Actuator Control Circuit PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP090CClutch B Actuator Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP090DClutch B Actuator Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0910Gate Select Actuator Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0911Gate Select Actuator Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0912Gate Select Actuator Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0913Gate Select Actuator Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0914Gear Shift Position Circuit ACheck soonTransmission Issues30–120 minutes for initial diagnosisP0915Gear Shift Position Circuit A Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP0916Gear Shift Position Circuit A LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP0917Gear Shift Position Circuit A HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0918Gear Shift Position Circuit A IntermittentCheck soonTransmission Issues30–120 minutes for initial diagnosisP0919Gear Shift Position Control ErrorCheck soonTransmission Issues30–120 minutes for initial diagnosisP091AGear Shift Position Circuit BCheck soonTransmission Issues30–120 minutes for initial diagnosisP091BGear Shift Position Circuit B Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP091CGear Shift Position Circuit B LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP091DGear Shift Position Circuit B HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0920Gear Shift Forward Actuator Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP0921Gear Shift Forward Actuator Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP0922Gear Shift Forward Actuator Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP0923Gear Shift Forward Actuator Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0924Gear Shift Reverse Actuator Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP0925Gear Shift Reverse Actuator Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP0926Gear Shift Reverse Actuator Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosis