GMC Sierra 1500 2020–2022 — technical service bulletin
Bulletin PIT5918B · NHTSA communication 11006460 · issued Aug 16, 2024
Technical service bulletin
communication type
Exterior Lighting
component
2020–2022
model years
11
vehicle entries
Official summary
This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.
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.