Volvo S60 2021–2023 — technical service bulletin
Bulletin TJ35808 · NHTSA communication 10231935 · issued Jan 4, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
16
vehicle entries
Official summary
?eCall Service Required? message, Back-up battery DTC TCAM-U210993
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.