CarRecallWatch- Component
- ELECTRICAL SYSTEM:WIRING
- Problem
- 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.
- Risk
- Brakes that overheat can increase the risk of a fire.
- 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.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-888-275-9171) or go to nhtsa.gov.
What this recall means for you
Certain Temsa TS30, TS35, and TS45 buses have a multiplex unit (Mux5-B) that may cause the temporary bus stop valve to activate unintentionally. When this happens, the brakes can be applied without the driver intending it, and the brakes may overheat.
Overheating brakes can increase the risk of a fire. If you own or operate an affected bus, contact Temsa customer service at 1-833-628-3672 and check your vehicle identification number (VIN) for open recalls.
The remedy is free. Temsa will inspect the multiplex, update its software, and repair the wiring harness as necessary. Owner notification letters were mailed June 11, 2025.
Check whether this recall is open on your vehicle
Official recall notice
Affected vehicles
| Temsa TS30 | 20212022202320242025 |
|---|---|
| Temsa TS35 | 20212022202320242025 |
| Temsa TS45 | 202120222023202420252026 |