Chevrolet Colorado 2021–2022 — technical service bulletin
Bulletin PIE0731 · NHTSA communication 10228856 · issued Dec 9, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
4
vehicle entries
Official summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the driver information center (DIC).
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.