GMC Yukon XL 2000–2006

▸Known issuesQuadrasteer: rear wheels stay turned after the front wheels are straight (controlled re-centering after a fault, normal operation)1

1. Manufacturer communication2002–2005 GMC FULL SIZE TRUCKS AND UTILITIES (YUKON XL) ・ 2005-04-01

   Quadrasteer: rear wheels stay turned after the front wheels are straight (controlled re-centering after a fault)

   1. 1Fault

      • Warning light
      • This may be accompanied by a Service 4 Wheel Steer message on the DIC and/or a DTC set in the 4 Wheel Steer module.
      ↓→

   2. 2Finding the cause

      Possible causes

      • When a fault is detected during a turn, the Rear Wheel Steering module performs a controlled re-centering of the rear wheels, which may take up to 30 seconds.
      • During these 30 seconds the owner may have straightened the front wheels while the rear wheels are still turned (dog tracking).

      Steps to confirm (in the document’s order)

      • Do not let this normal operation add confusion to the actual concern; perform normal diagnostics for the DTC set.
      ↓→

   3. 3Correction

      Caution

      • An owner may believe the rear wheels are stuck in the turned position when in fact this is normal operation.
   Read the sentences of the record

   From the manufacturer’s document

   • Applies to：Applies to 2002-05 Chevrolet and GMC full size trucks and utilities with Quadrasteer (NYS) Rear Wheel Steering: owners may comment that the rear wheels stay turned even after the front wheels are straight.
   • Condition：This may be accompanied by a Service 4 Wheel Steer message on the DIC and/or a DTC set in the 4 Wheel Steer module.
   • Cause：When a fault is detected during a turn, the Rear Wheel Steering module performs a controlled re-centering of the rear wheels, which may take up to 30 seconds.
   • Cause：During these 30 seconds the owner may have straightened the front wheels while the rear wheels are still turned (dog tracking).
   • Caution：An owner may believe the rear wheels are stuck in the turned position when in fact this is normal operation.
   • Confirm：Do not let this normal operation add confusion to the actual concern; perform normal diagnostics for the DTC set.

   Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.

   Remedy

   Quadrasteer Dog Track Owners of some 2002-05 Chevrolet and GMC full size trucks and utilities with Quadrasteer (NYS) Rear Wheel Steering may comment that the rear wheels stay turned even after the front wheels are straight. This may be accompanied by a Service 4 Wheel Steer message on the DIC and/or a DTC set in the 4 Wheel Steer module. When a fault is detected during a turn, the Rear Wheel Steering module will perform a controlled re-centering of the rear wheels. It may take up to 30 seconds for the rear wheels to center. During this 30 seconds, the owner may have straightened the front wheels and the rear wheels could still be turned (dog tracking). An owner may believe that the rear wheels are stuck in the turned position when in fact this is normal operation. Do not let this normal operation add confusion to the actual concern. Perform normal diagnostics for the DTC set.