Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
- The SERVICE 4WD indicator will be latched on and the system will be disabled.
- The transfer case control switch will display the current position LED while DTC C0550 is current, but further shifting will be disabled.