Chevrolet Silverado 1500 2022–2025 — technical service bulletin
Bulletin PIT6192C · NHTSA communication 11018467 · issued May 12, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2022–2025
model years
8
vehicle entries
Official summary
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
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.