OBD fault code library

Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.

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P2799 Auxiliary Transmission Fluid Pump Control Circuit High
Transmission System High severity
P279E Four Wheel Drive (4WD) Range Signal Circuit Range/Performance
Transmission System High severity
P2A00 O2 Sensor Circuit Range/Performance Bank1 Sensor 1
Fuel and Air Metering Medium severity
P2A02 O2 Sensor Circuit Range/Performance Bank1 Sensor 3
Fuel and Air Metering Medium severity
P2800 Transmission Range Sensor B Circuit (PRNDL Input)
Transmission System High severity
P2803 Transmission Range Sensor B Circuit High
Transmission System High severity
P2807 Pressure Control Solenoid G
Transmission System High severity
P280A Transmission Range Sensor A Circuit Not Learned
Transmission System High severity
P2811 Pressure Control Solenoid G Intermittent
Transmission System High severity
P2814 Pressure Control Solenoid G Control Circuit Low
Transmission System High severity
P2817 Pressure Control Solenoid H Performance/Stuck Off
Transmission System High severity
P281A Pressure Control Solenoid H Intermittent
Transmission System High severity
P281C Pressure Control Solenoid H Control Circuit Range/Performance
Transmission System High severity
P2820 Pressure Control Solenoid J Performance/Stuck Off
Transmission System High severity
P2825 Pressure Control Solenoid J Control Circuit Range/Performance
Transmission System High severity

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