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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 P1618:

Acura

Serial Peripheral Interface PCM Interprocessor Communication Error, A/T Only

Chrysler/Dodge/Jeep

5V Output Reference Voltage 1 Noisy Signal, or Sensor Reference Voltage 1 Erratic

Citroen/Peugeot

SBDS Interactive Codes

Ford

SBDS Interactive Codes

Isuzu

SPI Communications Error

Opel

Engine control module (ECM) - malfunction

Volkswagen/Audi

Glow Plug / Heater Relay Circ. Short to B +

Volvo

Glow Plug / Heater Relay Circ. Short to B +

GM

Serial Peripheral Interface (SPI) PCM Internal Communication Error
If you can not find the error description, please let us know and we will try to help: