Transmission Adaptive Functions: Notes

WARNING: This page is about a different car, the 2005 Pontiac Aztek and 2005 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The 4T65-E transmission uses a line pressure control system, that has the ability to adapt line pressure to compensate for normal wear of the following parts:

The clutch fiber plates
The springs and seals
The apply bands

The PCM/TCM maintains information for the following transmission adaptive systems: