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DTC C0229: Drop Out Of Front Wheel Speed Sensor Signals

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2001 GMC Savana Special, 2001 GMC Savana Camper Special, 2001 GMC Savana, 2001 Chevrolet Chevy Express, and 2000 GMC Savana Special. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. After performing diagnostic system check, go to next step.
  2. Using scan tool, clear DTC(s). Operate vehicle at speeds greater than 12 MPH with brakes released or 20 MPH with brakes applied. Recheck DTCs. If DTC resets, go to next step. If DTC does not reset, problem is intermittent.
  3. Check for poor connections EBCM harness connector. Repair as necessary. After repairs, go to step  5 . If connections are okay, go to next step.
  4. Replace EBCM. After replacing EBCM, go to next step.
  5. Using scan tool, clear DTCs. Operate vehicle at speeds greater than 12 MPH with brakes released or 20 MPH with brakes applied. Recheck DTCs. If DTC resets, go to step  3 . If DTC does not reset, system is okay.
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