P CODE FAMILY

Powertrain code references — Page 22.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

9,891 code references in powertrain

Generic OBD-II
P083A

Transmission Fluid Pressure Sensor/Switch G Circuit

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Generic OBD-II
P083B

Transmission Fluid Pressure Sensor/Switch G Circuit Range/Performance

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Generic OBD-II
P083C

Transmission Fluid Pressure Sensor/Switch G Circuit Low

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Generic OBD-II
P083D

Transmission Fluid Pressure Sensor/Switch G Circuit High

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Generic OBD-II
P083E

Transmission Fluid Pressure Sensor/Switch G Circuit Intermittent

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Generic OBD-II
P083F

Clutch Pedal Switch A/B Correlation

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Generic OBD-II
P0840

Transmission Fluid Pressure Sensor/Switch A Circuit

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Generic OBD-II
P0841

Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance

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Generic OBD-II
P0842

Transmission Fluid Pressure Sensor/Switch A Circuit Low

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Generic OBD-II
P0843

Transmission Fluid Pressure Sensor/Switch A Circuit High

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Generic OBD-II
P0844

Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent

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Generic OBD-II
P0845

Transmission Fluid Pressure Sensor/Switch B Circuit

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Generic OBD-II
P0846

Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance

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Generic OBD-II
P0847

Transmission Fluid Pressure Sensor/Switch B Circuit Low

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Generic OBD-II
P0848

Transmission Fluid Pressure Sensor/Switch B Circuit High

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Generic OBD-II
P0849

Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent

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Generic OBD-II
P084A

Transmission Fluid Pressure Sensor/Switch H Circuit

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Generic OBD-II
P084B

Transmission Fluid Pressure Sensor/Switch H Circuit Range/Performance

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Generic OBD-II
P084C

Transmission Fluid Pressure Sensor/Switch H Circuit Low

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Generic OBD-II
P084D

Transmission Fluid Pressure Sensor/Switch H Circuit High

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Generic OBD-II
P084E

Transmission Fluid Pressure Sensor/Switch H Circuit Intermittent

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Generic OBD-II
P084F

Park/Neutral Switch Output Circuit

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Generic OBD-II
P0850

Park/Neutral Switch Input Circuit

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Generic OBD-II
P0851

Park/Neutral Switch Input Circuit Low

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Generic OBD-II
P0852

Park/Neutral Switch Input Circuit High

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Generic OBD-II
P0853

Drive Switch Input Circuit

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Generic OBD-II
P0854

Drive Switch Input Circuit Low

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Generic OBD-II
P0855

Drive Switch Input Circuit High

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Generic OBD-II
P0856

Traction Control Input Signal

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Generic OBD-II
P0857

Traction Control Input Signal Range/Performance

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Generic OBD-II
P0858

Traction Control Input Signal Low

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Generic OBD-II
P0859

Traction Control Input Signal High

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Generic OBD-II
P085A

Gear Shift Control Module B Communication Circuit

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Generic OBD-II
P085B

Gear Shift Control Module B Communication Circuit Low

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Generic OBD-II
P085C

Gear Shift Control Module B Communication Circuit High

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Generic OBD-II
P085D

Gear Shift Control Module A Performance

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Generic OBD-II
P085E

Gear Shift Control Module B Performance

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Generic OBD-II
P085F

Up and Down Shift Switch Circuit Range/Performance

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Generic OBD-II
P0860

Gear Shift Control Module A Communication Circuit

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Generic OBD-II
P0861

Gear Shift Control Module A Communication Circuit Low

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Generic OBD-II
P0862

Gear Shift Control Module A Communication Circuit High

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Generic OBD-II
P0863

TCM Communication Circuit

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Generic OBD-II
P0864

TCM Communication Circuit Range/Performance

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Generic OBD-II
P0865

TCM Communication Circuit Low

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Generic OBD-II
P0866

TCM Communication Circuit High

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Generic OBD-II
P0867

Transmission Fluid Pressure

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Generic OBD-II
P0868

Transmission Fluid Pressure Low

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Generic OBD-II
P0869

Transmission Fluid Pressure High

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Generic OBD-II
P086A

Neutral Position Sensor A Circuit/Open

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Generic OBD-II
P086B

Neutral Position Sensor A Range/Performance

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Generic OBD-II
P086C

Neutral Position Sensor A Circuit Low

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Generic OBD-II
P086D

Neutral Position Sensor A Circuit High

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Generic OBD-II
P086E

Neutral Position Sensor A Circuit Intermittent/Erratic

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Generic OBD-II
P086F

Neutral Position Sensor A Not Learned

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Generic OBD-II
P0870

Transmission Fluid Pressure Sensor/Switch C Circuit

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Generic OBD-II
P0871

Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance

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Generic OBD-II
P0872

Transmission Fluid Pressure Sensor/Switch C Circuit Low

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Generic OBD-II
P0873

Transmission Fluid Pressure Sensor/Switch C Circuit High

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Generic OBD-II
P0874

Transmission Fluid Pressure Sensor/Switch C Circuit Intermittent

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Generic OBD-II
P0875

Transmission Fluid Pressure Sensor/Switch D Circuit

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Generic OBD-II
P0876

Transmission Fluid Pressure Sensor/Switch D Circuit Range/Performance

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Generic OBD-II
P0877

Transmission Fluid Pressure Sensor/Switch D Circuit Low

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Generic OBD-II
P0878

Transmission Fluid Pressure Sensor/Switch D Circuit High

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Generic OBD-II
P0879

Transmission Fluid Pressure Sensor/Switch D Circuit Intermittent

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Generic OBD-II
P087A

Clutch Position Sensor B Circuit

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Generic OBD-II
P087B

Clutch Position Sensor B Circuit Range/Performance

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Generic OBD-II
P087C

Clutch Position Sensor B Circuit Low

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Generic OBD-II
P087D

Clutch Position Sensor B Circuit High

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Generic OBD-II
P087E

Clutch Position Sensor B Circuit Intermittent

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Generic OBD-II
P0880

TCM Power Input Signal

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Generic OBD-II
P0881

TCM Power Input Signal Range/Performance

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Generic OBD-II
P0882

TCM Power Input Signal Low

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Generic OBD-II
P0883

TCM Power Input Signal High

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Generic OBD-II
P0884

TCM Power Input Signal Intermittent

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Generic OBD-II
P0885

TCM Power Relay Control Circuit/Open

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Generic OBD-II
P0886

TCM Power Relay Control Circuit Low

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Generic OBD-II
P0887

TCM Power Relay Control Circuit High

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Generic OBD-II
P0888

TCM Power Relay Sense Circuit

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Generic OBD-II
P0889

TCM Power Relay Sense Circuit Range/Performance

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Generic OBD-II
P088A

Transmission Fluid Filter Deteriorated

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Generic OBD-II
P088B

Transmission Fluid Filter Very Deteriorated

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Generic OBD-II
P088C

Reverse Inhibit Control Circuit Low

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Generic OBD-II
P088D

Reverse Inhibit Control Circuit High

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Generic OBD-II
P088E

Planetary Gear Set Failure

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Generic OBD-II
P0890

TCM Power Relay Sense Circuit Low

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Generic OBD-II
P0891

TCM Power Relay Sense Circuit High

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Generic OBD-II
P0892

TCM Power Relay Sense Circuit Intermittent

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Generic OBD-II
P0893

Multiple Gears Engaged

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Generic OBD-II
P0894

Transmission Component Slipping

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Generic OBD-II
P0895

Shift Time Too Short

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Generic OBD-II
P0896

Shift Time Too Long

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Generic OBD-II
P0897

Transmission Fluid Deteriorated

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Generic OBD-II
P0898

Transmission Control System MIL Request Circuit Low

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Generic OBD-II
P0899

Transmission Control System MIL Request Circuit High

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Generic OBD-II
P089A

Gear Lever X Position Sensor 2 Circuit

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Generic OBD-II
P089B

Gear Lever X Position Sensor 2 Circuit Range/Performance

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Generic OBD-II
P089C

Gear Lever X Position Sensor 2 Circuit Low

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Generic OBD-II
P089D

Gear Lever X Position Sensor 2 Circuit High

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Generic OBD-II
P089E

Gear Lever X Position Sensor 2 Circuit Intermittent/Erratic

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Generic OBD-II
P089F

Gear Lever Y Position Sensor 2 Circuit

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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.