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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 P1240:

Chrysler/Dodge/Jeep:

CAN Communication Failure

Citroen/Peugeot:

Sensor Power Supply Malfunction

Ford:

Sensor Power Supply Malfunction

GM:

Injector Circuit Cylinder 7 Intermittent

Jaguar:

Sensor Power Supply

Kia:

Sensor Power Supply

Mini:

Manifold absolute pressure (MAP) sensor 2 - signal too low at idle

Porsche:

Fuel Injector Cylinder 4

Saab:

Throttle Motor Circuit Shorted

Toyota:

Fuel Shutoff Valve Circuit for Delivery Pipe Malfunction

Volkswagen/Audi:

Cyl.4 - Fuel Inj. Circ. Open Circ.

Volvo:

Cyl.4 - Fuel Inj. Circ. Open Circ.