Ford Bronco Sport 2021–2025 — technical service bulletin
Bulletin SSM 54403 · NHTSA communication 11025820 · issued Nov 26, 2025
Technical service bulletin
communication type
Power Train
component
2021–2025
model years
12
vehicle entries
Official summary
* 2021-2024 Bronco Sport built on or before 15-Dec-2024<br /> * 2022-2024 Mustang Mach-E<br /> * 2022-2025 Escape built on or before 22-May-2025<br /> * 2024 Maverick vehicles built on or after 17-Jan-2024<br /> <br /> Some of the above vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0929 stored in the gear shift module (GSM). This may be due to the software in the GSM. To correct the condition, reprogram the GSM module using the latest software level of the Ford Diagnosis and Repair System (FDRS). For claiming, use causal part
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.