Ford Bronco 2020–2026 — technical service bulletin
Bulletin SSM 54902 · NHTSA communication 11033775 · issued Jun 5, 2026
Technical service bulletin
communication type
Power Train
component
2020–2026
model years
23
vehicle entries
Official summary
For 2020 2026 vehicles equipped with the 10R60 transmission, a new Transmission Clutch Circuit Leak Test has been introduced in the Ford Diagnosis and Repair System (FDRS). This test utilizes the pressure and vacuum transducer (PVT) when available. Workshop Manual (WSM) updates related to this diagnostic procedure are planned for release in Q4 2026. The new test improves the accuracy of detecting leaks within transmission fluid circuits and replaces the previous air check method. The previous air check procedure has been shown to produce a high rate of false positives, which may lead to unnece
Vehicles covered
- 2021 Ford Bronco
- 2022 Ford Bronco
- 2023 Ford Bronco
- 2024 Ford Bronco
- 2025 Ford Bronco
- 2026 Ford Bronco
- 2020 Ford Explorer
- 2021 Ford Explorer
- 2022 Ford Explorer
- 2023 Ford Explorer
- 2024 Ford Explorer
- 2025 Ford Explorer
- 2026 Ford Explorer
- 2024 Ford Ranger
- 2025 Ford Ranger
- 2026 Ford Ranger
- 2020 Lincoln Aviator
- 2021 Lincoln Aviator
- 2022 Lincoln Aviator
- 2023 Lincoln Aviator
- 2024 Lincoln Aviator
- 2025 Lincoln Aviator
- 2026 Lincoln Aviator
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.