Volvo XC40 2021–2024 — technical service bulletin
Bulletin 36817.1.0 · NHTSA communication 10249183 · issued Jan 3, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2024
model years
4
vehicle entries
Official summary
This is a Technical Journal: High-Voltage Battery Module Temperature Sensor DTCs. A new calibration for the BECM (Battery Energy Control Module) DTCs listed above has been introduced in software version 2.10
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.