Action Taken When the DTC Sets

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DTC P2534 is a Type A DTC.
The TCM turns OFF HSD1 and HSD2.
The TCM turns OFF all solenoids.
The TCM commands maximum line pressure.
The TCM freezes transmission adaptive functions.
The TCM commands the TCC OFF.
The TCM allows the vehicle to operate in transmission protection mode.
The TCM disables Tap up and Tap down functions.