P0605

2017-10-10

Description:

  • The fault code P0605 indicates that there is an internal error with the engine control module's read-only memory (ROM). This error may cause various drivability issues and may prevent the vehicle from starting.

Possible Symptoms:

  • Engine may not start or may stall

  • Illuminated check engine light

  • Engine may run poorly or have reduced power

  • Vehicle may fail to shift gears correctly

  • Various warning lights on the instrument cluster may illuminate

Possible Causes:

  • Corrupted or damaged read

  • only memory (ROM) in the engine control module (ECM)

  • Faulty wiring or connections in the ECM circuit

  • Loose or corroded electrical connections

  • Failed ECM power supply, ground or reference voltage

  • Failed ECM

Related Parts:

  • Engine Control Module (ECM): ECM is the part of the car computer that controls the engine system and performance. Problems lead to poor fuel economy, engine stalling & unwanted engine vibrations

Possible Solutions:

  • Replace the engine control module (ECM) if necessary

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Check and repair the power supply, ground or reference voltage for the ECM

  • Perform a software update or reflash on the ECM

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