Chevrolet Silverado 1500 2025–2026 — technical service bulletin
Bulletin PIT6449 · NHTSA communication 11024788 · issued Oct 31, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025–2026
model years
4
vehicle entries
Official summary
PI created to inform customers and dealers of a normal operating characteristic
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.