P08xx OBD2 Trouble Codes

This is the listing of P08xx OBD2 diagnostic trouble codes (DTCs). They all start with P08, e.g., P0800, P0872. The first letter P indicates that they are powertrain related codes, the next two digits 08 indicate they are transmission & transfer case related codes. The codes below are considered generic because they apply to all makes/models of OBD2 vehicles, although specific diagnosis & repair steps may vary.

P0800-P0899 Trouble Codes - Transmission & Transfer Case

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Code(s)Description
P0800Transfer Case Control System (MIL Request)
P0801Reverse Inhibit Control Circuit Malfunction
P0802Transmission Control System MIL Request Circuit/Open
P08031-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction
P08041-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction
P0805Clutch Position Sensor Circuit
P0806Clutch Position Sensor Circuit Range/Performance
P0807Clutch Position Sensor Circuit Low
P0808Clutch Position Sensor Circuit High
P0809Clutch Position Sensor Circuit Intermittent
P080AClutch Position Not Learned
P080BUpshift/Skip Shift Solenoid Control Circuit Range/Performance
P080CUpshift/Skip Shift Solenoid Control Circuit Low
P080DUpshift/Skip Shift Solenoid Control Circuit High
P080E, P080FISO/SAE Reserved
P0810Clutch Position Control Error
P0811Excessive Clutch Slippage
P0812Reverse Input Circuit
P0813Reverse Output Circuit
P0814Transmission Range Display Circuit
P0815Upshift Switch Circuit
P0816Downshift Switch Circuit
P0817Starter Disable Circuit
P0818Driveline Disconnect Switch Input Circuit
P0819Up and Down Shift Switch to Transmission Range Correlation
P081AStarter Disable Circuit Low
P081BStarter Disable Circuit High
P081CPark Input Circuit
P081DNeutral Input Circuit
P081EExcessive Clutch "B" Slippage
P081FISO/SAE Reserved
P0820Gear Lever X-Y Position Sensor Circuit
P0821Gear Lever X Position Circuit
P0822Gear Lever Y Position Circuit
P0823Gear Lever X Position Circuit Intermittent
P0824Gear Lever Y Position Circuit Intermittent
P0825Gear Lever Push-Pull Switch (Shift Anticipate)
P0826Up and Down Shift Switch Circuit
P0827Up and Down Shift Switch Circuit Low
P0828Up and Down Shift Switch Circuit High
P08295-6 Shift Malfunction
P082AGear Lever X Position Circuit Range/Performance
P082BGear Lever X Position Circuit Low
P082CGear Lever X Position Circuit High
P082DGear Lever Y Position Circuit Range/Performance
P082EGear Lever Y Position Circuit Low
P082FGear Lever Y Position Circuit High
P0830Clutch Pedal Switch "A" Circuit
P0831Clutch Pedal Switch "A" Circuit Low
P0832Clutch Pedal Switch "A" Circuit High
P0833Clutch Pedal Switch "B" Circuit
P0834Clutch Pedal Switch "B" Circuit Low
P0835Clutch Pedal Switch "B" Circuit High
P0836Four Wheel Drive (4WD) Switch Circuit
P0837Four Wheel Drive (4WD) Switch Circuit Range/Performance
P0838Four Wheel Drive (4WD) Switch Circuit Low
P0839Four Wheel Drive (4WD) Switch Circuit High
P083ATransmission Fluid Pressure Sensor/Switch "G" Circuit
P083BTransmission Fluid Pressure Sensor/Switch "G" Circuit Range/Performance
P083CTransmission Fluid Pressure Sensor/Switch "G" Circuit Low
P083DTransmission Fluid Pressure Sensor/Switch "G" Circuit High
P083ETransmission Fluid Pressure Sensor/Switch "G" Circuit Intermittent
P083FClutch Pedal Switch "A"/"B" Correlation
P0840Transmission Fluid Pressure Sensor/Switch "A" Circuit
P0841Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance
P0842Transmission Fluid Pressure Sensor/Switch "A" Circuit Low
P0843Transmission Fluid Pressure Sensor/Switch "A" Circuit High
P0844Transmission Fluid Pressure Sensor/Switch "A" Circuit Intermittent
P0845Transmission Fluid Pressure Sensor/Switch "B" Circuit
P0846Transmission Fluid Pressure Sensor/Switch "B" Circuit Range/Performance
P0847Transmission Fluid Pressure Sensor/Switch "B" Circuit Low
P0848Transmission Fluid Pressure Sensor/Switch "B" Circuit High
P0849Transmission Fluid Pressure Sensor/Switch "B" Circuit Intermittent
P084ATransmission Fluid Pressure Sensor/Switch "H" Circuit
P084BTransmission Fluid Pressure Sensor/Switch "H" Circuit Range/Performance
P084CTransmission Fluid Pressure Sensor/Switch "H" Circuit Low
P084DTransmission Fluid Pressure Sensor/Switch "H" Circuit High
P084ETransmission Fluid Pressure Sensor/Switch "H" Circuit Intermittent
P084FPark/Neutral Switch Output Circuit
P0850Park/Neutral Switch Input Circuit
P0851Park/Neutral Switch Input Circuit Low
P0852Park/Neutral Switch Input Circuit High
P0853Drive Switch Input Circuit
P0854Drive Switch Input Circuit Low
P0855Drive Switch Input Circuit High
P0856Traction Control Input Signal
P0857Traction Control Input Signal Range/Performance
P0858Traction Control Input Signal Low
P0859Traction Control Input Signal High
P085AGear Shift Control Module "B" Communication Circuit
P085BGear Shift Control Module "B" Communication Circuit Low
P085CGear Shift Control Module "B" Communication Circuit High
P085DGear Shift Control Module "A" Performance
P085EGear Shift Control Module "B" Performance
P085FISO/SAE Reserved
P0860Gear Shift Module Communication Circuit
P0861Gear Shift Module Communication Circuit Low
P0862Gear Shift Module Communication Circuit High
P0863TCM Communication Circuit
P0864TCM Communication Circuit Range/Performance
P0865TCM Communication Circuit Low
P0866TCM Communication Circuit High
P0867Transmission Fluid Pressure
P0868Transmission Fluid Pressure Low
P0869Transmission Fluid Pressure High
P086A, P086B, P086C, P086D, P086E, P086FISO/SAE Reserved
P0870Transmission Fluid Pressure Sensor/Switch "C" Circuit
P0871Transmission Fluid Pressure Sensor/Switch "C" Circuit Range/Performance
P0872Transmission Fluid Pressure Sensor/Switch "C" Circuit Low
P0873Transmission Fluid Pressure Sensor/Switch "C" Circuit High
P0874Transmission Fluid Pressure Sensor/Switch "C" Circuit Intermittent
P0875Transmission Fluid Pressure Sensor/Switch "D" Circuit
P0876Transmission Fluid Pressure Sensor/Switch "D" Circuit Range/Performance
P0877Transmission Fluid Pressure Sensor/Switch "D" Circuit Low
P0878Transmission Fluid Pressure Sensor/Switch "D" Circuit High
P0879Transmission Fluid Pressure Sensor/Switch "D" Circuit Intermittent
P087A, P087B, P087C, P087D, P087E, P087FISO/SAE Reserved
P0880TCM Power Input Signal
P0881TCM Power Input Signal Range/Performance
P0882TCM Power Input Signal Low
P0883TCM Power Input Signal High
P0884TCM Power Input Signal Intermittent
P0885TCM Power Relay Control Circuit/Open
P0886TCM Power Relay Control Circuit Low
P0887TCM Power Relay Control Circuit High
P0888TCM Power Relay Sense Circuit
P0889TCM Power Relay Sense Circuit Range/Performance
P088ATransmission Fluid Filter Deteriorated
P088BTransmission Fluid Filter Very Deteriorated
P088C, P088D, P088E, P088FISO/SAE Reserved
P0890TCM Power Relay Sense Circuit Low
P0891TCM Power Relay Sense Circuit High
P0892TCM Power Relay Sense Circuit Intermittent
P0893Multiple Gears Engaged
P0894Transmission Component Slipping
P0895Shift Time Too Short
P0896Shift Time Too Long
P0897Transmission Fluid Deteriorated
P0898Transmission Control System MIL Request Circuit Low
P0899Transmission Control System MIL Request Circuit High
P089A - P08FFISO/SAE Reserved