Chevrolet Malibu 2016–2021 — technical service bulletin
Bulletin 18NA069 · NHTSA communication 10191190 · issued Mar 2, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2021
model years
6
vehicle entries
Official summary
This service bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs 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.