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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 P1744:

Chrysler/Dodge/Jeep:

Torque Converter Lock-Up-Clutch Heat Control

Citroen/Peugeot:

Torque Converter Clutch System Performance

Daewoo:

LOCKUP CLUTCH SYSTEM

Ford:

Torque Converter Clutch System Performance

Lincoln:

Torque Converter Clutch System Stuck in Off Position

Mazda:

Torque Converter Clutch Solenoid Mechanical Fault

Mercedes:

Torque converter clutch Solenoid Circuit

Mercury:

Torque Converter Clutch System Stuck in Off Position

Oldsmobile:

Torque Converter Clutch System Stuck in Off Position

Porsche:

Manual Program Switch

Volkswagen/Audi:

Tiptronic Switch Recognition Circ. Short to Ground

Volvo:

Tiptronic Switch Recognition Circ. Short to Ground

GM:

NSBU Mode "B" Circuit Low