Chevrolet Trax 2017–2019 — technical service bulletin
Bulletin 19-NA-015 · NHTSA communication 10214857 · issued Jun 13, 2022
Technical service bulletin
communication type
Equipment
component
2017–2019
model years
3
vehicle entries
Official summary
This service bulletin provides a procedure to replace the A/C evap case to correct Temp Control Inop, No Heat or No Defrost Concerns.
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.