Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
While diagnostic response is active, one of the following conditions can occur:
- The TCM illuminates the malfunction indicator lamp (MIL).
- The transmission fails to hydraulic default.
- A shift to REVERSE will allow REVERSE range if DTC P0878 is not active.
- DTC P0708 is stored in TCM history.
- The TCM freezes shift adapts.
- The TCM inhibits torque converter clutch (TCC) engagement.