Chevrolet Silverado 2500 2025–2026 — technical service bulletin
Bulletin PIT6461 · NHTSA communication 11026073 · issued Nov 26, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025–2026
model years
4
vehicle entries
Official summary
PI addresses a software issue on the K5 Assist step control module and identifies that a software update will be released to resolve the issue.
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.