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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 P1749:

Chrysler/Dodge/Jeep:

Transmission Throttle Valve Position Sensor Circuit Low

Citroen/Peugeot:

Pressure Control Solenoid Failed Low

Daewoo:

SERIAL COMM. - OPEN/GND

Ford:

Pressure Control Solenoid Failed Low

Lincoln:

Electronic Pressure Control Solenoid Failed Low

Mazda:

Electronic Pressure Control Solenoid Circuit Low

Mercedes:

Electronic pressure control solenoid circuit low

Mercury:

Electronic Pressure Control Solenoid Failed Low

Oldsmobile:

Electronic Pressure Control Solenoid Failed Low

Porsche:

Version coding

Volkswagen/Audi:

Transm. Contr. Unit Incorrect Coded

Volvo:

Transm. Contr. Unit Incorrect Coded

GM:

NSBU Park/Neutral Switch Compare