Chevrolet Equinox 2018–2022 — technical service bulletin
Bulletin 18NA020 · NHTSA communication 10212602 · issued Jan 28, 2022
Technical service bulletin
communication type
Exterior Lighting
component
2018–2022
model years
10
vehicle entries
Official summary
This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
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.