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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 P1631:

BMW:

Throttle Valve Actuator Bank 1 Spring Test Malfunction

Chrysler/Dodge/Jeep:

TCM Internal - Processor Clock Performance

Citroen/Peugeot:

Theft Deterrent Start Enable Signal Not Correct/ Main Relay Malfunction (Power Hold)

Daewoo:

ECU COMM. LINE MAL

Ford:

Theft Deterrent Start Enable Signal Not Correct/ Main Relay Malfunction (Power Hold)

GM:

Theft Deterrent Start Enable Signal Not Correct

Jaguar:

Throttle motor relay driver off malfunction

Mazda:

Generator Output Voltage Signal (No Output)

Mercedes:

Alternator Regulator #2 Control Circuit

Opel:

Fuel injection pump control module - defective

Saab:

A/C Relay, Output Form Control Module Low

Saturn:

Theft Deterrent System Password Incorrect

Volkswagen/Audi:

Accelera. Pedal Pos. Sensor 1 Signal too High

Volvo:

Accelera. Pedal Pos. Sensor 1 Signal too High