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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 P1638:

BMW:

Throttle Valve Position Control; Throttle Stuck Temporarily

Chrysler/Dodge/Jeep:

TCM Internal - CAN 1 RAM Performance

Citroen/Peugeot:

Can Link ECM/INSTM Circuit / Network Malfunction

Daewoo:

ECU MICOM CRCT FAULT

Ford:

Can Link ECM/INSTM Circuit / Network Malfunction

GM:

Generator F-Terminal Circuit

Jaguar:

CAN Link ECM/INSTM Circuit/Network

Kia:

CAN Link ECM / INSTM Circuit / Network

Volkswagen/Audi:

Data Bus Powertrain missing message from clutch control

Volvo:

Data Bus Powertrain missing message from clutch control