LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2021 >> Tahoe SSV >> Repair and Diagnosis >> Body & Frame >> Windows >> Fixed And MOVEABLE Window System >> Repair Instructions >> Window Motor Programming - Express Function >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Window Motor Programming - Express Function: Notes

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 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.