Chevrolet Silverado 1500 2021–2023 — technical service bulletin
Bulletin PIT6017 · NHTSA communication 10237663 · issued May 16, 2023
Technical service bulletin
communication type
Communication
component
2021–2023
model years
5
vehicle entries
Official summary
This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
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.