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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 P1748:

BMW

Transmission Control Module Self-Test

Chrysler/Dodge/Jeep

Pressure Control Solenoid "B" Electrical

Citroen/Peugeot

EPC Malfunction

Daewoo

TCU - ECU COMM LINE #2 MAL

Ford

EPC Malfunction

Jaguar

Pressure Regulator 5

Kia

Pressure Regulator 5

Lincoln

EPC Malfunction

Mercedes

Pressure Control Solenoid A

Mercury

EPC Malfunction

Oldsmobile

EPC Malfunction

Porsche

Control unit defective (Relay sticks)

Volkswagen/Audi

Transm. Contr. Unit Self - Check

Volvo

Transm. Contr. Unit Self - Check

GM

NSBU Mode "P" Circuit High
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