Chevrolet Equinox 2021–2022 — technical service bulletin
Bulletin 21-NA-180 · NHTSA communication 10227372 · issued Nov 23, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2021–2022
model years
4
vehicle entries
Official summary
This informational bulletin provides information for dealers/technicians on Illuminated Check Engine Light, Possible Water in the Fuel, Evaporative Codes Set, Fuel Tank Evaporative Vent Valve Leak.
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.