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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 P1194:

Chrysler/Dodge/Jeep:

PWM O2 Heater Relay Performance

Citroen/Peugeot:

ECU A/D Converter

Daewoo:

ETS LIMPHOME TPS2 POS. MAL.

Ford:

ECU A/D Converter

Jaguar:

O2 Sensor Heater Circuit Resistance Fault

Kia:

02 Sensor Heater Circuit Resistance Fault

Land Rover:

Oxygen Sensor Heater High Resistance Downstream

Lincoln:

ECU A/D Converter

Mercedes:

ECM/PCM A/D Converter

Mercury:

ECU A/D Converter

Oldsmobile:

ECU A/D Converter

Plymouth:

Incorrect Or Irrational Performance Has Been Detected For The PWM

Volkswagen/Audi:

Fuel pressure control valve - short to positive