Volvo EX90 2025–2026 — technical service bulletin
Bulletin TJ37490.2.0-2025-10-29 · NHTSA communication 11026738 · issued Nov 14, 2025
Technical service bulletin
communication type
Power Train
component
2025–2026
model years
2
vehicle entries
Official summary
This is a TJ Text only no attachments - The breakpoint for the latest (third) GHCA hardware generation is serial number S00053758, which represents the first and lowest number of the third generation. The serial number can be found on the hardware, where "S000xxxxx" is printed on the type label. For replaced GHCAs with serial numbers before S00053758, a Vehicle Report is not required for Warranty Claim acceptance if VIDA fault tracing clearly indicates that the GHCA must be replaced. For replaced GHCAs with serial numbers after S00053758, please create a Support Not Needed Vehicle Report. See
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.