The worst 2021 Temsa TS45 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 2
Electrical system: wiring
- What is wrong
- 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.
Recall number 25V279000 · Recall details
Fuel system, diesel: fuel injection system: fuel rail
- What is wrong
- Temsa (Temsa) is recalling certain 2020 TS45 motorcoaches equipped with certain Cummins X12 diesel engines. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure fuel leak.
- Risk
- A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.
- Remedy
- On engines with 75 miles or less, dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators, free of charge. The manufacturer has not yet provided a schedule for recall notification. Owners may contact Temsa's customer service at 1‑833‑628‑3672.
Recall number 22V106000 · Recall details
Technical service bulletins for the 2021 Temsa TS45 13
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Turbo intake pipe replace
- TS45 mux
- New Kibes RT Updated Software
- Service bulletin for torque control
- Jump Start Cable Insulation Improvement
- TS45 stairs insulation improvement
- General Software Improvement Bulletin
- Improvement on TS45 WC Water Filling Connector Connection
- Improvement of the fender carcass
- The improvement of warnings
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Questions about the 2021 Temsa TS45
Is the 2021 Temsa TS45 reliable?
Owners have filed 0 complaints about the 2021 Temsa TS45.
What is the most common problem with the 2021 Temsa TS45?
There are not enough complaints to tell.
How many recalls does the 2021 Temsa TS45 have?
2 recalls, covering electrical system and fuel system, diesel.
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