Chevrolet Colorado 2024–2025 — technical service bulletin
Bulletin PIT6383 · NHTSA communication 11018477 · issued May 13, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2024–2025
model years
4
vehicle entries
Official summary
This preliminary information is regarding a software anomaly causing the HVAC controls to set a DTC.
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.