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An official Health Canada notice concerns Temsa. Issue: On certain buses, the multiplexer may not have been wired correctly. As a result, the "temporary bus stop" valve may unintentionally activate and apply the brakes while driving. If this happens, the bus could stop unexpectedly, and the brakes could overheat. Safety Risk: A bus that stops unexpectedly could result in a transfer of passengers in an uncontrolled environment, which may create a risk of injury. Additionally, overheated brakes could create the risk of a fire. Corrective Actions: Temsa will notify owners by mail and advise you to take your bus to a Temsa Service Center to update the vehicle software, and to correct the multiplexer wiring. Published 2025-05-06.
What to do now
Please see corrective actions section below
Recall number
77420
Official notice
2025-05-06
The hazard
The hazard
Issue: On certain buses, the multiplexer may not have been wired correctly. As a result, the "temporary bus stop" valve may unintentionally activate and apply the brakes while driving. If this happens, the bus could stop unexpectedly, and the brakes could overheat. Safety Risk: A bus that stops unexpectedly could result in a transfer of passengers in an uncontrolled environment, which may create a risk of injury. Additionally, overheated brakes could create the risk of a fire. Corrective Actions: Temsa will notify owners by mail and advise you to take your bus to a Temsa Service Center to update the vehicle software, and to correct the multiplexer wiring.
How to check if you're affected
How to check if you're affected
Compare the VIN on your vehicle against the official list. If your VIN is listed, follow the official notice.
Recall Numbers
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Affected products
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Risk / hazard
Where it was sold
Where it was sold
The source does not list specific retailers. See the official notice for where affected products were sold.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Temsa.
Source & status
Source & status
Source
Tier
Category
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Recall details
Recall details
Recall number
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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