TSB SSM-54592 — Ford Service bulletin
SSM-54592 is a service bulletin on file with NHTSA for 8 Ford models, 2017–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. For 20172026 vehicles equipped with a 10R transmission, a revision to the Road Testing Vehicle procedure has been made in the WSM, located in Section 307-01 > Diagnosis and Testing. This updated procedure improves the diagnosis of customer reported transmission concerns and…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SSM-54592 names
| Vehicle | Model years |
|---|---|
| Ford Bronco | 2023 |
| Ford Explorer | 2020 |
| Ford F-150 | 2017, 2018, 2019, 2020 |
| Ford F-250 | 2020, 2021, 2022, 2023, 2026 |
| Ford F-350 | 2020, 2021, 2022, 2023, 2026 |
| Ford Mustang | 2024, 2025, 2026 |
| Ford Ranger | 2019, 2020, 2021, 2022, 2023, 2024, 2026 |
| Ford Transit | 2020, 2021, 2022, 2023, 2024, 2025 |
Every document filed under SSM-54592
| Document ID | Filed | Type |
|---|---|---|
| SSM 54592 | February 17, 2026 | Service bulletin |
What SSM-54592 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SSM-54592?
SSM-54592 is a service bulletin filed with NHTSA by Ford, covering 8 Ford models across the 2017–2026 model years. NHTSA's summary reads: For 20172026 vehicles equipped with a 10R transmission, a revision to the Road Testing Vehicle procedure has been made in the WSM, located in Section 307-01 > Diagnosis and Testing. This updated procedure improves the diagnosis of customer reported transmission concerns and…
Which vehicles does SSM-54592 cover?
NHTSA's file names Ford Bronco (2023); Ford Explorer (2020); Ford F-150 (2017–2020); Ford F-250 (2020–2023, 2026); Ford F-350 (2020–2023, 2026); Ford Mustang (2024–2026); Ford Ranger (2019–2024, 2026); Ford Transit (2020–2025). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB SSM-54592 a recall, and is the repair free?
No. SSM-54592 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of SSM-54592?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SSM-54592, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under SSM-54592. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.