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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 P1622:

BMW:

Map Cooling Thermostat Control Circuit Electrical

Chrysler/Dodge/Jeep:

5V Output Reference Voltage 2

Citroen/Peugeot:

Immobilizer ID Does Not Match

Daewoo:

A/C CONTROL CIRCUIT MAL

Ford:

Immobilizer ID Does Not Match

GM:

Cylinder Select

Jaguar:

Engine control module engine immobilization input code malfunction

Land Rover:

Repeated Wrong ECM Security Code Fault

Mazda:

lmmobilizer System Fault

Mercedes:

Electrohydraulic shut - off actutor (Y1/1)

Opel:

Fuel pump relay

Saab:

A/C Relay, Output Form Control Module High

Volkswagen/Audi:

Engine coolant temperature signal range / performance

Volvo:

Engine coolant temperature signal range / performance