Chevrolet Tahoe 2021–2025 — technical service bulletin
Bulletin PIT6254 · NHTSA communication 11011423 · issued Oct 7, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2025
model years
5
vehicle entries
Official summary
This Preliminary information communicates information on a upfitter or body shop swapping rear door harnessses side to side causing incorrect rear window operation.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.