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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:


Enter code:
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P
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Definition of check engine code P1251:

Alfa Romeo

ECU Faulty

Chrysler/Dodge/Jeep

Vacuum Reservoir Control Circuit Low

Citroen/Peugeot

Air Mixture Solenoid Circuit Malfunction

Ford

Air Mixture Solenoid Circuit Malfunction

Jaguar

Throttle Position

Kia

Throttle Position

Mercedes

Air Mixture Solenoid Circuit

Saab

Check Engine Lamp, Output From Control Module Low

Volkswagen/Audi

Start of Injection Solenoid Circ Short to B +

Volvo

Start of Injection Solenoid Circ Short to B +
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