Some 2023 Transit vehicles may experience an inoperative driver or passenger power window

Bulletin number

SSM 52529

Component

Electrical system

Summary

Some 2023 Transit vehicles may experience an inoperative driver or passenger power window. In these vehicles, the power window motor is equipped with thermal protection against current increase or excessive operation of the switch. Once the protection is activated, the power window motor will automatically reset after approximately 20 seconds of window motor rest time. Before performing any diagnostic or repair, allow any inoperative window to rest for over 20 seconds and then retest its operation. The Workshop Manual (WSM) pinpoint test has been updated to reflect the thermal protection feature is present in this system. Refer to WSM, Section 501-11 > Diagnostic and Testing > Glass, Frames and Mechanisms.

Owners of these vehicles have filed 14 complaints in the electrical category.