P0609

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2017-10-10

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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