Volvo EX90 2025 — technical service bulletin
Bulletin C10346.3.0 · NHTSA communication 11029184 · issued Feb 27, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
Courtesy Upgrade C10346 Vehicle Computational Unit (VCU2) Quality Bulletin for Model Year 2025 EX90 vehicles. This is for the upgrade of the VCU to the VCU version 2 and new software.
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.