P0609

2017-10-10

Description:

  • The P0609 fault code indicates that the control module has detected a malfunction with the vehicle speed sensor (VSS) output signal A.

Possible Symptoms:

  • Malfunction indicator lamp (MIL) illuminated

  • Erratic speedometer reading

  • Harsh shifting transmission

  • Inoperative speedometer or odometer

Possible Causes:

  • Failed or faulty vehicle speed sensor (VSS)

  • Defective wiring or connections in the VSS circuit

  • Loose or corroded electrical connections

  • Failed engine control module (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 faulty vehicle speed sensor (VSS)

  • Inspect and repair any damaged wiring or connections in the VSS circuit

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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