C0021 GMC - Right Front Wheel Speed Sensor Circuit Open Or Shorted To Battery

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Right Front Wheel Speed Sensor
  • Right Front Wheel Speed Sensor harness is open or shorted
  • Right Front Wheel Speed Sensor circuit poor electrical connection

Possible symptoms

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

C0021 Gmc Description

The Anti-Lock Brake System (ABS) Module monitors the Right Front Wheel Speed Sensor. The ABS Module sets the OBDII code when the Right Front Wheel Speed Sensor is not to factory specifications.
OBDII Code C0021 Gmc - Right Front Wheel Speed Sensor Circuit Open Or Shorted To Battery - AutoCodes.com

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