Chevrolet Silverado 1500 2020–2022 — technical service bulletin
Bulletin 24-NA-188 · NHTSA communication 11011234 · issued Oct 16, 2024
Technical service bulletin
communication type
Engine
component
2020–2022
model years
6
vehicle entries
Official summary
This bulletin advises the tech of a part number change for the engine kit assembly.
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.