Ford F-250 SD 2023–2024 — technical service bulletin
Bulletin TCU-25.2.5.9.1 SuperDuty · NHTSA communication 11022431 · issued Aug 15, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
8
vehicle entries
Official summary
"Quality improvements include: -Prevents Telematics Control Unit memory from going over 70%. Ensuring it has enough space to install the latest Over The Air updates"
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.