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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 P1850:

Citroen/Peugeot:

Transmission Transfer Case Contact Plate "B" Circuit Failure

Daewoo:

SOL.1 DRV GND SHORT

Ford:

Transmission Transfer Case Contact Plate 'B' Circuit Failure

GM:

Brake Band Apply Solenoid Circuit

Isuzu:

Brake Band Apply Solenoid Malfunction

Lincoln:

Transmission Transfer Case Contact Plate 'B' Circuit Failure

Mercury:

Transmission Transfer Case Contact Plate 'B' Circuit Failure

Oldsmobile:

Transmission Transfer Case Contact Plate 'B' Circuit Failure

Opel:

Shift solenoid (SS) 'C',band apply - circuit malfunction

Volkswagen/Audi:

Data - Bus Powertrain Missing Message from Engine Contr.

Volvo:

Data - Bus Powertrain Missing Message from Engine Contr.