Chevrolet Silverado 2500 2024–2025 — technical service bulletin
Bulletin 25-NA-054 · NHTSA communication 11016631 · issued Mar 8, 2025
Technical service bulletin
communication type
Engine
component
2024–2025
model years
8
vehicle entries
Official summary
The Informational bulletin advises the tech to check for water or ice in the cylinders that may cause the engine not to perform as intended.
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.