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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 P1407:

Citroen/Peugeot:

EGR No Flow Detected

Ford:

EGR No Flow Detected

GM:

EGR Air Intrusion in Exhaust Supply to EGR Valve

Lincoln:

EGR No Flow Detected

Mazda:

No EGR Flow Detected

Mercedes:

No EGR flow detected

Mercury:

EGR No Flow Detected

Oldsmobile:

EGR No Flow Detected

Volkswagen/Audi:

EGR Temp. Sensor Signal too Low

Volvo:

EGR Temp. Sensor Signal too Low