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OBDII/EOBD diagnostics trouble codes definition

If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX).

Also there is a list of more than 13500 additional manufacturer specific codes.

Supported manufacturers with specific OBD2 codes:


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Definition of check engine code P1172:

Alfa Romeo:

Long trem fuel trim - at idle

Citroen/Peugeot:

Rotor Control Fault

Daewoo:

ETS MOTOR OVER CURRENT

Fiat:

Mixture 1 stength (multiplicative)

Ford:

Rotor Control Fault

GM:

Fuel Transfer Pump Flow Insufficient

Hyundai:

Electronic Throttle System Motor Current

Jaguar:

System Too Rich - Banks 1 and 2 (Rich Fuel Fault)

Kia:

System Too Rich - Banks 1 and 2 (Rich Fuel Fault)

Land Rover:

Oxygen Sensor System Too Rich Fault Banks A & B

Lincoln:

Rotor Control Fault

Mercury:

Rotor Control Fault

Oldsmobile:

Rotor Control Fault

Saab:

Closed Loop, Rich Mixture

Volkswagen/Audi:

Throttle Actuation Potentiometer Sign.2 Signal too Low

Volvo:

Throttle Actuation Potentiometer Sign.2 Signal too Low