Ford F-250 SD 2023 — technical service bulletin
Bulletin TCU-25.2.8.5 SuperDuty · NHTSA communication 11029295 · issued Feb 24, 2026
Technical service bulletin
communication type
Electrical System
component
2023
model years
4
vehicle entries
Official summary
"Quality improvements include: -Addresses a loss of connectivity caused by a Cellular Domain Service outage"
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.