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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 P1651:

Chrysler/Dodge/Jeep:

MIL/Diagnostic Lamp via J1850 Bus

Citroen/Peugeot:

PSP Switch Input Malfunction

Daewoo:

ENG FIX INDC LAMP CT(OPEN/GND)

Ford:

PSP Switch Input Malfunction

GM:

Fan 1 Relay Control Circuit

Jaguar:

Power steering pressure switch input malfunction

Lincoln:

Power Steering Pressure Switch Input Fault

Mazda:

Power Steering Pressure Switch Circuit

Mercedes:

Power steering pressure switch circuit fault

Mercury:

Power Steering Pressure Switch Input Fault

Oldsmobile:

Power Steering Pressure Switch Input Fault

Opel:

Fuel injection pump control module,CAN data bus - malfunction

Saab:

RAM Fault

Saturn:

Quad Driver Module B Quick Set Detected A Fault

Toyota:

VSV For ACIS Circuit Malfunction

Volkswagen/Audi:

Data Bus Powertrain missing messages

Volvo:

Data Bus Powertrain missing messages