Chevrolet Suburban 1500 2026 — technical service bulletin
Bulletin PIT6465 · NHTSA communication 11026605 · issued Dec 11, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2026
model years
4
vehicle entries
Official summary
This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the lighting control module.
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.