Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The TCM illuminates the malfunction indicator lamp (MIL).
The transmission fails to hydraulic default.
DTC P0708 is stored in TCM history.
The TCM inhibits main modulation.
The TCM freezes shift adapts.
The TCM inhibits torque converter clutch (TCC) engagement.