Chevrolet Colorado 2023–2025 — technical service bulletin
Bulletin PIT6385 · NHTSA communication 11018483 · issued May 13, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2023–2025
model years
6
vehicle entries
Official summary
This preliminary information addresses a phantom chime and engineering is reviewing software.
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.