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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 P1151:

BMW:

O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1)

Citroen/Peugeot:

Lack Of HO2S21 Switch - Sensor Indicates Lean

Daewoo:

ACCEL POS SNSR CT MAL - ECU

Ford:

Lack Of HO2S21 Switch - Sensor Indicates Lean

Hyundai:

ETS Main Accel Position Sensor 2 Malfunction

Jaguar:

Lack of H02S-21 switch, sensor indicates lean

Land Rover:

Oxygen Sensor Engine Lean *Codes* B U

Lincoln:

Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank 2

Mazda:

HO2S Bank 2 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean)

Mercedes:

H02S - 21 signal below 0.45v (A/F ratio too rich)

Mercury:

Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank 2

Oldsmobile:

Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank 2

Volkswagen/Audi:

Bank1,Long Term Fuel Trim,Range 1 Leanness Lower Limit Exceeded

Volvo:

Bank1,Long Term Fuel Trim,Range 1 Leanness Lower Limit Exceeded

Subaru:

Rear Oxygen Sensor Heater Circuit High Input