U1409 JEEP - Implausible Left Front Wheel Speed Signal Received

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty Left Front Wheel Speed Sensor
  • Left Front Wheel Speed Sensor harness is open or shorted
  • Left Front Wheel Speed Sensor circuit poor electrical connection
  • Faulty Anti-Lock Brake System (ABS) Module
  • Tech notes





    User Submitted Video

    Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)
  • U1409 Jeep Description

    The Anti-Lock Brake System (ABS) Module monitors the Left Front Wheel Speed Sensor. The ABS Module sets the OBDII code when the Left Front Wheel Speed Sensor is not to factory specifications.
    OBDII Code U1409 Jeep - Implausible Left Front Wheel Speed Signal Received - Engine-Codes.com

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