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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 P1146:

Chrysler/Dodge/Jeep:

Fuel Injector Group 1 Supply Voltage Circuit

Daewoo:

IDLE CO POTENTIOMET

Jaguar:

Alternator Load Low Input (same as P1245, added for Jag)

Mercedes:

Left hot film MGF sensor (B2/6)

Nissan:

Heated O2 Sensor 2

Volkswagen/Audi:

Mass or Volume Air Flow Circ Supply Malfunction

Volvo:

Mass or Volume Air Flow Circ Supply Malfunction

Subaru:

Pressure sensor circuit range/performance problem (high input)