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An official Health Canada notice concerns Mack. Issue: on certain trucks, a software problem could allow the engine to be started with the transmission in the drive or reverse gear. If this happens, the truck could move suddenly when it is started. Safety risk: sudden and unexpected movement of the truck could increase the risk of an injury or a crash. Corrective actions: to reduce the safety risk, mack recommends you ensure the transmission is in the neutral gear before starting the engine until the recall repairs have been completed. Mack will notify owners by mail and advise you to take your truck to a dealership to update the ecu software. Published 2026-03-19.
What to do now
Please see corrective actions section below
Recall number
81782
Official notice
2026-03-19
The hazard
The hazard
Issue: on certain trucks, a software problem could allow the engine to be started with the transmission in the drive or reverse gear. If this happens, the truck could move suddenly when it is started. Safety risk: sudden and unexpected movement of the truck could increase the risk of an injury or a crash. Corrective actions: to reduce the safety risk, mack recommends you ensure the transmission is in the neutral gear before starting the engine until the recall repairs have been completed. Mack will notify owners by mail and advise you to take your truck to a dealership to update the ecu software.
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.
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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: Mack.
Source & status
Source & status
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Recall details
Recall details
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Documents, notices & source
See the official notice and source documents for full details.
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