2021 Temsa Ts30 problems, complaints & recalls
Safety recalls (1)
Electrical System:wiring 2025-04-29 · campaign 25V279000 · 594 vehicles
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.
Risk: Brakes that overheat can increase the risk of a fire.
Fix: 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.
Service bulletins (11)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-06-15 · TS30-FC-2601 · Service Bulletin/Repair Instructions
allison shift selector monitor harness improvement
Unknown Or Other 2025-08-26 · TS30-FC-2501 · Service Bulletin/Repair Instructions
ts30 parcel rack bracket
Unknown Or Other 2025-05-28 · TS30-SR-2501 · Service Bulletin/Repair Instructions
ts30 mux units pin changing and diode checking bulletin
Electrical System:software 2024-03-16 · TS30-FM-2401 · Service Bulletin/Repair Instructions
new kibes rt updated software
Electrical System 2023-05-25 · TS30-FC-2211 · Service Bulletin/Repair Instructions
jump start cable insulation improvement
Structure:body:door 2023-05-25 · TS30-FC-2208 · Service Bulletin/Repair Instructions
the improvement of the noise insulation at the front door zone
Showing the 6 most recent of 11 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.