Chevrolet Colorado 2017–2022 — technical service bulletin
Bulletin 22-NA-171 · NHTSA communication 10231421 · issued Jan 19, 2023
Technical service bulletin
communication type
Electrical System
component
2017–2022
model years
12
vehicle entries
Official summary
This service bulletin provides service information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated on Driver Information Center (DIC) with DTCs P0171, P0174 Set.
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.