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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

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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 553–576 of 1939

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P073AStuck in Gear 5Check soonSensors & Electronics30–120 minutes for initial diagnosisP073A relates to stuck in gear 5. Check the fault conditions and vehicle-specific procedure before replacing parts.P073BStuck in Gear 6Check soonSensors & Electronics30–120 minutes for initial diagnosisP073B relates to stuck in gear 6. Check the fault conditions and vehicle-specific procedure before replacing parts.P073CStuck in Gear 7Check soonSensors & Electronics30–120 minutes for initial diagnosisP073C relates to stuck in gear 7. Check the fault conditions and vehicle-specific procedure before replacing parts.P073DUnable to Engage NeutralCheck soonSensors & Electronics30–120 minutes for initial diagnosisP073D relates to unable to engage neutral. Check the fault conditions and vehicle-specific procedure before replacing parts.P073EUnable to Engage ReverseCheck soonSensors & Electronics30–120 minutes for initial diagnosisP073E relates to unable to engage reverse. Check the fault conditions and vehicle-specific procedure before replacing parts.P073FUnable to Engage Gear 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP073F relates to unable to engage gear 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P074AUnable To Engage Gear 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP074A relates to unable to engage gear 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P074BUnable To Engage Gear 3Check soonSensors & Electronics30–120 minutes for initial diagnosisP074B relates to unable to engage gear 3. Check the fault conditions and vehicle-specific procedure before replacing parts.P074CUnable To Engage Gear 4Check soonSensors & Electronics30–120 minutes for initial diagnosisP074C relates to unable to engage gear 4. Check the fault conditions and vehicle-specific procedure before replacing parts.P074DUnable To Engage Gear 5Check soonSensors & Electronics30–120 minutes for initial diagnosisP074D relates to unable to engage gear 5. Check the fault conditions and vehicle-specific procedure before replacing parts.P074EUnable To Engage Gear 6Check soonSensors & Electronics30–120 minutes for initial diagnosisP074E relates to unable to engage gear 6. Check the fault conditions and vehicle-specific procedure before replacing parts.P074FUnable To Engage Gear 7Check soonSensors & Electronics30–120 minutes for initial diagnosisP074F relates to unable to engage gear 7. Check the fault conditions and vehicle-specific procedure before replacing parts.P076FGear 7 Incorrect RatioCheck soonSensors & Electronics30–120 minutes for initial diagnosisP076F relates to gear 7 incorrect ratio. Check the fault conditions and vehicle-specific procedure before replacing parts.P077AOutput Shaft Speed Sensor Circuit - Loss of Direction SignalCheck soonSensors & Electronics30–120 minutes for initial diagnosisP077A relates to output shaft speed sensor circuit - loss of direction signal. Check the fault conditions and vehicle-specific procedure before replacing parts.P077BOutput Shaft Speed Sensor Circuit - Direction ErrorCheck soonSensors & Electronics30–120 minutes for initial diagnosisP077B relates to output shaft speed sensor circuit - direction error. Check the fault conditions and vehicle-specific procedure before replacing parts.P077COutput Shaft Speed Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP077C relates to output shaft speed sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P077DOutput Shaft Speed Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP077D relates to output shaft speed sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P077FReverse 2 Incorrect RatioCheck soonSensors & Electronics30–120 minutes for initial diagnosisP077F relates to reverse 2 incorrect ratio. Check the fault conditions and vehicle-specific procedure before replacing parts.P0790Normal/Performance Switch CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0790 relates to normal/performance switch circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0791Intermediate Shaft Speed Sensor A CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0791 relates to intermediate shaft speed sensor a circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0792Intermediate Shaft Speed Sensor A Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0792 relates to intermediate shaft speed sensor a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0793Intermediate Shaft Speed Sensor A Circuit No SignalCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0793 relates to intermediate shaft speed sensor a circuit no signal. Check the fault conditions and vehicle-specific procedure before replacing parts.P0794Intermediate Shaft Speed Sensor A Circuit IntermittentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0794 relates to intermediate shaft speed sensor a circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P07BFInput/Turbine Shaft Speed Sensor A Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP07BF relates to input/turbine shaft speed sensor a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.