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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 P1406:

Acura:

EGR Valve Pintle Position Circuit

BMW:

Heated Catalyst Internal Control Module Checksum/ROM Error

Citroen/Peugeot:

Exhaust Gas Recirculation (EGR) Position Sensor Performance

Ford:

Exhaust Gas Recirculation (EGR) Position Sensor Performance

GM:

EGR Valve Pintle Position Circuit

Isuzu:

EGR Valve Pintle Position Circuit

Lincoln:

Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose

Mazda:

DPFE Sensor Downstream Hose Off or Plugged

Mercedes:

DPFE sensor downstream hose off or plugged

Mercury:

Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose

Oldsmobile:

Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose

Saturn:

EGR Pintle Position Error

Scion:

Turbo Pressure Sensor Range/Performance Problem.

Toyota:

Turbo Pressure Sensor Range / Performance Problem

Volkswagen/Audi:

EGR Temp. Sensor Range / Performance

Volvo:

EGR Temp. Sensor Range / Performance