Chevrolet Silverado 2500 2025 — technical service bulletin
Bulletin PIT6389 · NHTSA communication 11018660 · issued May 22, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025
model years
4
vehicle entries
Official summary
This Preliminary information communicates that this concern is for assist step lighting is not turning on when entering vehicle or unlocking vehicle using fob. Engineering is investigating.
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.