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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 P1173:

Alfa Romeo:

Long trem fuel trim - at increased engine RPM

Citroen/Peugeot:

Rotor Calibration Fault

Daewoo:

ETS VALVE PERFORMANCE MAL.

Fiat:

Mixture 1 stength (additive)

Ford:

Rotor Calibration Fault

Hyundai:

Electronic Throttle System Rationality Malfunction

Lincoln:

Rotor Calibration Fault

Mazda:

HO2S Bank 2 Sensor 1 Circuit Fixed (Bank 2 Sensor 1)

Mercedes:

Feedback A/F Mixture Control (HO2S21)

Mercury:

Rotor Calibration Fault

Oldsmobile:

Rotor Calibration Fault

Opel:

Engine overheat protection activated - engine temperature above limit

Saab:

Mass Air Flow Sensor, Idle Adaptation Toward Rich

Volkswagen/Audi:

Throttle Actuation Potentiometer Sign.2 Signal too High

Volvo:

Throttle Actuation Potentiometer Sign.2 Signal too High

GM:

Limitation of Injection Quantity