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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 P1633:

BMW:

Throttle Valve Adaptation; Limp-Home Position Unknown

Chrysler/Dodge/Jeep:

TCM Internal - Test External Watchdog Performance

Citroen/Peugeot:

KAM Voltage Too Low

Daewoo:

IMMO. LAMP FAULT

Ford:

KAM Voltage Too Low

GM:

Ignition 0 Switch Circuit

Jaguar:

Main processor unit failure malfunction

Lexus:

ECM Malfunction (ETCS Circuit)

Mazda:

Battery Overcharge Fault

Mercedes:

Generator Control System - over charge

Saab:

Internal Control Module Malfunction

Scion:

ECM.

Toyota:

ECM Malfunction ECTS Circuit

Volkswagen/Audi:

Accelera. Pedal Pos. Sensor 2 Signal too Low

Volvo:

Accelera. Pedal Pos. Sensor 2 Signal too Low