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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 169–192 of 833

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P0816Downshift Switch CircuitCheck soonTransmission Issues30–120 minutes for initial diagnosisP0816 relates to downshift switch circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0819Up and Down Shift Switch to Transmission Range CorrelationCheck soonTransmission Issues30–120 minutes for initial diagnosisP0819 relates to up and down shift switch to transmission range correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P081EExcessive Clutch B SlippageCheck soonTransmission Issues30–120 minutes for initial diagnosisP081E relates to excessive clutch b slippage. Check the fault conditions and vehicle-specific procedure before replacing parts.P081FBrake Transmission Shift Interlock (BTSI) Signal CorrelationCheck soonTransmission Issues30–120 minutes for initial diagnosisP081F relates to brake transmission shift interlock (btsi) signal correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P0825Gear Lever Push-Pull Switch (Shift Anticipate)Check soonTransmission Issues30–120 minutes for initial diagnosisP0825 relates to gear lever push-pull switch (shift anticipate). Check the fault conditions and vehicle-specific procedure before replacing parts.P0826Up and Down Shift Switch CircuitCheck soonTransmission Issues30–120 minutes for initial diagnosisP0826 relates to up and down shift switch circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0827Up and Down Shift Switch Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP0827 relates to up and down shift switch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0828Up and Down Shift Switch Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0828 relates to up and down shift switch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P08295-6 ShiftCheck soonTransmission Issues30–120 minutes for initial diagnosisP0829 relates to 5-6 shift. Check the fault conditions and vehicle-specific procedure before replacing parts.P0830Clutch Pedal Switch A CircuitCheck soonTransmission Issues30–120 minutes for initial diagnosisP0830 relates to clutch pedal switch a circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0831Clutch Pedal Switch A Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP0831 relates to clutch pedal switch a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0832Clutch Pedal Switch A Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0832 relates to clutch pedal switch a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0833Clutch Pedal Switch B CircuitCheck soonTransmission Issues30–120 minutes for initial diagnosisP0833 relates to clutch pedal switch b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0834Clutch Pedal Switch B Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP0834 relates to clutch pedal switch b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0835Clutch Pedal Switch B Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP0835 relates to clutch pedal switch b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P083ATransmission Fluid Pressure Sensor/Switch G CircuitCheck soonTransmission Issues30–120 minutes for initial diagnosisP083A relates to transmission fluid pressure sensor/switch g circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P083BTransmission Fluid Pressure Sensor/Switch G Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP083B relates to transmission fluid pressure sensor/switch g circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P083CTransmission Fluid Pressure Sensor/Switch G Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP083C relates to transmission fluid pressure sensor/switch g circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P083DTransmission Fluid Pressure Sensor/Switch G Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP083D relates to transmission fluid pressure sensor/switch g circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P083ETransmission Fluid Pressure Sensor/Switch G Circuit IntermittentCheck soonTransmission Issues30–120 minutes for initial diagnosisP083E relates to transmission fluid pressure sensor/switch g circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P083FClutch Pedal Switch A/B CorrelationCheck soonTransmission Issues30–120 minutes for initial diagnosisP083F relates to clutch pedal switch a/b correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P0840Transmission Fluid Pressure Sensor/Switch A CircuitCheck soonTransmission Issues30–120 minutes for initial diagnosisP0840 relates to transmission fluid pressure sensor/switch a circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0841Transmission Fluid Pressure Sensor/Switch A Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP0841 relates to transmission fluid pressure sensor/switch a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0842Transmission Fluid Pressure Sensor/Switch A Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP0842 relates to transmission fluid pressure sensor/switch a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.