Volvo S60 2021–2023 — technical service bulletin
Bulletin TJ3644720 · NHTSA communication 10234816 · issued Mar 20, 2023
Technical service bulletin
communication type
Communication
component
2021–2023
model years
14
vehicle entries
Official summary
Call button in the OHC might not be lit
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.