Chevrolet Silverado 1500 2019–2025 — technical service bulletin
Bulletin PIT5950B · NHTSA communication 11011409 · issued Oct 3, 2024
Technical service bulletin
communication type
Unknown OR Other
component
2019–2025
model years
14
vehicle entries
Official summary
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed.
Vehicles covered
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2025 Chevrolet Silverado 1500
- 2019 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2022 GMC Sierra 1500
- 2023 GMC Sierra 1500
- 2024 GMC Sierra 1500
- 2025 GMC Sierra 1500
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.