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.

The TCM does not illuminate the malfunction indicator lamp (MIL).
The TCM commands all transmission solenoids to OFF.
DTC P0613 is stored in TCM history.
The TCM freezes shift adapts.
The TCM inhibits torque converter clutch (TCC) engagement.