Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0776 and P0777 are Type A DTCs.
- The TCM commands maximum line pressure.
- The TCM inhibits TCC.
- The TCM freezes transmission adaptive functions.