Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, verify DTC B3631 is not set.
- If the DTC is set, refer to DTC B3631 .
- Command the adjustable pedals to move forward and rearward. The pedals should move in the commanded direction.