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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 P1101:

Chrysler/Dodge/Jeep:

HCM/PCM Communication Performance

Citroen/Peugeot:

MAF Sensor Out Of Self Test Range

Daewoo:

MAP SNSR - RANGE/ PERFORMANCE

Fiat:

Barometer pressure

Fiat:

Pressure loss in the boost circuit

Ford:

MAF Sensor Out Of Self Test Range

GM:

Actual measured airflow from MAF, MAP, EGR, and TP is not within range of the calculated airflow

Jaguar:

Mass air flow sensor out of self test range

Lincoln:

Mass Air Flow Sensor Out of Self-Test Range

Mazda:

Mass Airflow Sensor Circuit out of Self-Test Range

Mercedes:

Mass Air Flow Sensor Out Of Self Test Range

Mercury:

Mass Air Flow Sensor Out of Self-Test Range

Mitsubishi:

Traction control vacuum solenoid circuit fault

Oldsmobile:

Mass Air Flow Sensor Out of Self-Test Range

Toyota:

Atmospheric Press Sensor Circuit Range / Performance

Volkswagen/Audi:

O2 Sensor Circ.,Bank1 - Sensor1Voltage too Low/Air Leak

Volvo:

O2 Sensor Circ.,Bank1 - Sensor1 Voltage too Low/Air Leak

Subaru:

Neutral Position Switch Circuit Malfunction (M/T)

Subaru:

Neutral Position Switch Circuit High Input (A/T)