Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. 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.