Chevrolet Silverado 2500 2021–2022 — technical service bulletin
Bulletin PIT5929 · NHTSA communication 10217770 · issued Jul 14, 2022
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
8
vehicle entries
Official summary
This Preliminary information communicates an issue with the power assist steps having erratic operation and not staying deployed. Engineering is working on a fix.
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.