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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 P1601:

Chrysler/Dodge/Jeep:

Internal TCM Computer Error

Citroen/Peugeot:

ECM/TCM Serial Communication Error

Daewoo:

ECU L LINE MAL

Fiat:

Cruise control switch off

Ford:

ECM/TCM Serial Communication Error

GM:

Serial Comm. Problem With Device 1

Jaguar:

ECM/TCM Serial Communication Error

Mazda:

Powertrain Control Module Communication Line to TCM Error

Mercedes:

ECM/TCM Serial Communication Error

Opel:

Module temperature switch,ECM - temperature high

Porsche:

Voltage Supply

Saab:

Internal Control Module Malfunction

Saturn:

PCM / Serial Data Error

Volkswagen/Audi:

Engine control module (ECM) - supply voltage

Subaru:

TCM DATA COMMUNICATION FAILURE