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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 P1790:

Acura

TRANS ROM Checksum Error

Chrysler/Dodge/Jeep

Fault immediately after a shift

Citroen/Peugeot

TP (Mechanical) Circuit Malfunction

Daewoo

TCM CHECKSUM FAULT

Ford

TP (Mechanical) Circuit Malfunction

GM

Transmission Control Module Checksum

Honda

Throttle Position (TP) Sensor Circuit Malfunction

Isuzu

Trans ROM Checksum Error

Jaguar

Ignition Supply Malfunction

Kia

Ignition Supply Malfunction

Mercedes

TP (Mechanical) Circuit

Opel

CAN data bus,ECM/TCM communication - malfunction detected

Toyota

ST Solenoid (Shift solenoid valve ST) Circuit Malfunction

Volkswagen/Audi

Transmission Range Display Circ. Open

Volvo

Transmission Range Display Circ. Open
If you can not find the error description, please let us know and we will try to help: