The defect
Temsa is recalling certain 2021-2025 TS30, TS35, and 2021-2026 TS45 buses equipped with a Mux5-B multiplex. The temporary bus stop valve may activate unintentionally and apply the brakes, causing them to overheat.
The risk
Brakes that overheat can increase the risk of a fire.
The remedy
Temsa will inspect the multiplex, update the software, and repair the wiring harness as necessary, free of charge. Owner notification letters were mailed June 11, 2025. Owners may contact Temsa customer service at 1-833-628-3672.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Temsa TS30 | 2021, 2022, 2023, 2024, 2025 |
| Temsa TS35 | 2021, 2022, 2023, 2024, 2025 |
| Temsa TS45 | 2021, 2022, 2023, 2024, 2025, 2026 |
Components: ELECTRICAL SYSTEM:WIRING
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Temsa TS30 | 2021 | 0 | 1 |
| Temsa TS30 | 2022 | 0 | 2 |
| Temsa TS30 | 2023 | 0 | 2 |
| Temsa TS30 | 2024 | 0 | 2 |
| Temsa TS30 | 2025 | 0 | 2 |
| Temsa TS35 | 2021 | 0 | 1 |
| Temsa TS35 | 2022 | 0 | 1 |
| Temsa TS35 | 2023 | 0 | 1 |
| Temsa TS35 | 2024 | 0 | 5 |
| Temsa TS35 | 2025 | 0 | 2 |
| Temsa TS45 | 2021 | 0 | 2 |
| Temsa TS45 | 2022 | 0 | 1 |
| Temsa TS45 | 2023 | 0 | 2 |
| Temsa TS45 | 2024 | 0 | 3 |
| Temsa TS45 | 2025 | 0 | 2 |
| Temsa TS45 | 2026 | 0 | 1 |
Other electrical system recalls in 2025
148 of the 891 recall campaigns reported to NHTSA in 2025 concerned the electrical system; Temsa filed 12 campaigns in all.
| 25V914000 31 Dec 2025 | Braun Industries, Inc. |
| 25V906000 23 Dec 2025 | BMW of North America, LLC |
| 25V911000 23 Dec 2025 | Honda (American Honda Motor Co.) |
| 25V905000 23 Dec 2025 | Tiffin Motorhomes, Inc. |
| 25V897000 19 Dec 2025 | Blue Bird Body Company |
| 25V895000 19 Dec 2025 | Coach and Equipment Mfg. Corp. |
| 25V894000 19 Dec 2025 | Mercedes-Benz USA, LLC |
| 25V886000 18 Dec 2025 | Ford Motor Company |
NHTSA recalls (public domain) · all recalls of 2025