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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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Severity

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 6073–6096 of 9253

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P276CElectric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP276C relates to electric/auxiliary transmission fluid pump b motor supply voltage circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P276DElectric/Auxiliary Transmission Fluid Pump B Motor CurrentCheck soonTransmission Issues30–120 minutes for initial diagnosisP276D relates to electric/auxiliary transmission fluid pump b motor current. Check the fault conditions and vehicle-specific procedure before replacing parts.P276EElectric/Auxiliary Transmission Fluid Pump B Motor Current LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP276E relates to electric/auxiliary transmission fluid pump b motor current low. Check the fault conditions and vehicle-specific procedure before replacing parts.P276FElectric/Auxiliary Transmission Fluid Pump B Motor Current HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP276F relates to electric/auxiliary transmission fluid pump b motor current high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2770Torque Converter Clutch Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP2770 relates to torque converter clutch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2771Four Wheel Drive (4WD) Low Switch CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2771 relates to four wheel drive (4wd) low switch circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2772Four Wheel Drive (4WD) Low Switch Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2772 relates to four wheel drive (4wd) low switch circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2773Four Wheel Drive (4WD) Low Switch Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2773 relates to four wheel drive (4wd) low switch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2774Four Wheel Drive (4WD) Low Switch Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2774 relates to four wheel drive (4wd) low switch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2775Upshift Switch Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP2775 relates to upshift switch circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2776Upshift Switch Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP2776 relates to upshift switch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2777Upshift Switch Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP2777 relates to upshift switch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2778Upshift Switch Circuit Intermittent/ErraticCheck soonTransmission Issues30–120 minutes for initial diagnosisP2778 relates to upshift switch circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2779Downshift Switch Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP2779 relates to downshift switch circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P277AElectric/Auxiliary Transmission Fluid Pump B Hydraulic LeakageCheck soonTransmission Issues30–120 minutes for initial diagnosisP277A relates to electric/auxiliary transmission fluid pump b hydraulic leakage. Check the fault conditions and vehicle-specific procedure before replacing parts.P277BElectric/Auxiliary Transmission Fluid Pump B Driver Circuit PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP277B relates to electric/auxiliary transmission fluid pump b driver circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P277CElectric/Auxiliary Transmission Fluid Pump B Motor StalledCheck soonTransmission Issues30–120 minutes for initial diagnosisP277C relates to electric/auxiliary transmission fluid pump b motor stalled. Check the fault conditions and vehicle-specific procedure before replacing parts.P277DElectric/Auxiliary Transmission Fluid Pump B Motor Over TemperatureUrgentTransmission Issues30–120 minutes for initial diagnosisP277D relates to electric/auxiliary transmission fluid pump b motor over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P277EClutch A Unexpected Mechanical Gear DisengagementCheck soonTransmission Issues30–120 minutes for initial diagnosisP277E relates to clutch a unexpected mechanical gear disengagement. Check the fault conditions and vehicle-specific procedure before replacing parts.P277FClutch B Unexpected Mechanical Gear DisengagementCheck soonTransmission Issues30–120 minutes for initial diagnosisP277F relates to clutch b unexpected mechanical gear disengagement. Check the fault conditions and vehicle-specific procedure before replacing parts.P2780Downshift Switch Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP2780 relates to downshift switch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2781Downshift Switch Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP2781 relates to downshift switch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2782Downshift Switch Circuit Intermittent/ErraticCheck soonTransmission Issues30–120 minutes for initial diagnosisP2782 relates to downshift switch circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2783Torque Converter Temperature Too HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP2783 relates to torque converter temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.