Volvo S90 2017–2018 — technical service bulletin
Bulletin TJ33353-1-1-2018 · NHTSA communication 10157944 · issued Mar 23, 2018
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2017–2018
model years
12
vehicle entries
Official summary
This is a Technical Journal: Climate unit, not sufficient airflow from vents. Perform action according to instructions for different car variants.
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.