GMC Sierra 1500 2020–2022 — technical service bulletin
Bulletin PIT5918A · NHTSA communication 10253067 · issued Mar 6, 2024
Technical service bulletin
communication type
Equipment
component
2020–2022
model years
8
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.