Chevrolet Silverado 1500 2023–2025 — technical service bulletin
Bulletin 25-NA-099 · NHTSA communication 11019719 · issued Apr 22, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2025
model years
10
vehicle entries
Official summary
This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern.
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.