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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 P1501:

BMW:

Idle-Speed Control Valve Stuck Closed

Chrysler/Dodge/Jeep:

Vehicle Speed Sensor 1/2 Correlation - Drive Wheels

Citroen/Peugeot:

Vehicle Speed Sensor Out Of Self Test Range

Daewoo:

BRAKE SWITCH

Ford:

Vehicle Speed Sensor Out Of Self Test Range

GM:

Theft Deterrent System

Jaguar:

Vehicle speed sensor out of self test range

Lincoln:

Programmable Speedometer & Odometer Module/Vehicle Speed Sensor Intermittent Circuit-failure

Mazda:

Vehicle Speed Sensor Out of Self Test Range

Mercedes:

Vehicle speed sensor out of self test range

Mercury:

Programmable Speedometer & Odometer Module/Vehicle Speed Sensor Intermittent Circuit-failure

Oldsmobile:

Programmable Speedometer & Odometer Module/Vehicle Speed Sensor Intermittent Circuit-failure

Opel:

Immobilizer control module - program error

Porsche:

Fuel Pump Relay End-Stage

Saab:

Fuel Pump Relay Short To Ground

Volkswagen/Audi:

Fuel Pump Relay Circ. Short to Ground

Volvo:

Fuel Pump Relay Circ. Short to Ground

Subaru:

Idle Control System Malfunction (Fail Safe)