Chevrolet Silverado 1500 2022–2024 — technical service bulletin
Bulletin PIT6120 · NHTSA communication 10250004 · issued Jan 30, 2024
Technical service bulletin
communication type
Visibility
component
2022–2024
model years
10
vehicle entries
Official summary
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation instructions for the 9L7 Upfitter Switches.
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.