Volvo S90 2022 — technical service bulletin
Bulletin TJ3618920 · NHTSA communication 10214187 · issued May 23, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
4
vehicle entries
Official summary
ICUP Vehicles, 12V battery drain
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.