Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 GMC Yukon, 2006 Chevrolet Tahoe, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition cycle.
- The transfer case control switch does not display the current position LED while DTC C0550 is current.