CanadaMack TERRAPRO trucks from model years 2022–2026 are affected. A software problem could allow the engine to be started with the transmission in drive or reverse, which could cause the truck to move suddenly and increase risk of injury or a crash. Owners should ensure the transmission is in neutral before starting the engine until repairs are completed; Mack will notify owners by mail and advise taking the truck to a dealership to update the ECU software.
How to identify it
2022–2026 Mack TERRAPRO
The hazard
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.
Sudden and unexpected movement of the truck could increase the risk of an injury or a crash.
What to do
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.
The official notice
This page is a summary of the notice published by Transport Canada, collected from Health Canada, CFIA and Transport Canada. Check the original before you act on it.
Read the official notice (opens in a new tab)