Chevrolet Colorado 2023–2025 — technical service bulletin
Bulletin PIT6407A · NHTSA communication 11026493 · issued Dec 5, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2023–2025
model years
6
vehicle entries
Official summary
This preliminary information is to communicate to dealership technicians and GM Customers that engineering is aware of this concern and are investigating. We are not to replace any parts at this time.
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.