Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 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.