Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Verify that DTC C0558 is not set.
- If the DTC is set, perform the Suspension Position Calibration (Without Z95) , Suspension Position Calibration (With Z95) procedure. If the DTC resets replace the ESCM.