Diagnostic Aids
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
A window motor that has not been normalized will no longer perform the express up and express down functions, this may occur during the following conditions:
- When a window motor has been disconnected
- When a door harness has been disconnected
- When the battery has been disconnected or replaced
To normalize the window motor refer to Window Motor Programming - Express Function .