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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 P1122:

Acura:

Throttle Position Higher Than Expected

BMW:

Pedal Position Sensor 1 Low Input

Citroen/Peugeot:

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

Daewoo:

BOOSTER PRESSURE SNSR - HIGH

Fiat:

Throttle position sensor [signal implausible]

Ford:

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

GM:

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

Honda:

Throttle Position (TP) Sensor Higher Than Expected

Isuzu:

TP Sensor Circuit Intermittent Voltage Low

Jaguar:

Pedal Position Sensor A Circuit Low Input

Kia:

Pedal Position Sensor A Circuit Low input

Lincoln:

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

Mazda:

Throttle Position Stuck Closed

Mercedes:

Throttle Position Sensor A In Range But Lower Than Expected

Mercury:

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

Mini:

Accelerator pedal position (APP) sensor 1 - low input

Nissan:

Electronic Throttle Control Actuator

Oldsmobile:

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

Opel:

Accelerator pedal position (APP) sensor B - circuit malfunction

Saturn:

Throttle Position Sensor Circuit Voltage Out Of Range, Low

Volkswagen/Audi:

O2 Sensor Heater Circ.,Bank2 - Sensor2 Open

Volvo:

O2 Sensor Heater Circ.,Bank2 - Sensor2 Open

Subaru:

Pressure Sources Switching Valve Circuit High Input