Window Motor Programming - Express Function: Notes

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

A window motor that has not been normalized may no longer perform the express up functions or may not index up when the door is closed, this may occur during the following conditions:

When a window motor has been disconnected or replaced
When a door harness has been disconnected

When the battery has been disconnected or replaced, all window motors may no longer perform the express up functions

NOTE:

When DTC B1956 55, B1957 55, B1958 55, B1959 55 are set, the following warnings will be displayed on the driver information center:

Open, then Close Driver Window
Open, then Close Passenger Window

These warnings will clear once the windows have been "Normalized" and the respective DTC will clear.