Chevrolet Silverado 1500 2022–2025 — technical service bulletin
Bulletin PIT6120A · NHTSA communication 11009104 · issued Oct 24, 2024
Technical service bulletin
communication type
Unknown OR Other
component
2022–2025
model years
12
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
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2025 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 2500
- 2025 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 3500
- 2023 GMC Sierra 1500
- 2024 GMC Sierra 1500
- 2025 GMC Sierra 1500
- 2024 GMC Sierra 2500
- 2024 GMC Sierra 3500
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.