Volvo EX90 2025–2026 — technical service bulletin
Bulletin 37071 · NHTSA communication 11022809 · issued Aug 28, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025–2026
model years
2
vehicle entries
Official summary
This is a Technical Journal: EX90 Software download issues - If SWDL fails and HLCM is in "Not responding", it is normal. HLCM is in silent mode and therefore not listening to diagnostic commands. Continue with the next SWDL attempt without any action
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.