Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- The HPCM will not command the HV contactor relays closed.
- DTCs P0C77 and P1A20 are Type C DTCs.