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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 P1798:

Chrysler/Dodge/Jeep:

Worn or burnt transmission fluid

Citroen/Peugeot:

Coolant Temperature Circuit Malfunction

Ford:

Coolant Temperature Circuit Malfunction

Jaguar:

CAN TCM/INST Circuit Malfunction

Kia:

CAN TCM / INST Circuit Malfunction

Mercedes:

Coolant Temperature Circuit

Volkswagen/Audi:

Output Speed Sensor 2 Circ. Range / Performance

Volvo:

Output Speed Sensor 2 Circ. Range / Performance

Subaru:

GEAR 1 ENGINE BRAKE