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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 P1001:

Chrysler/Dodge/Jeep:

Ignition Circuit Hi

Fiat:

CAN line

Ford:

KOER Test Cannot Be Completed

Jaguar:

Key on engine running unable to complete; key on engine running aborted

Lincoln:

KOER Test Cannot Be Completed

Mazda:

Unable to Achieve Self-Test Function or SCP Error

Mercedes:

Activate self test SCP error

Mercury:

KOER Test Cannot Be Completed

Oldsmobile:

KOER Test Cannot Be Completed

Saab:

EVAP Purge Valve, Output From Control Module Low