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Mack
Official notice
29 Sept 2025
Last checked
29 Sept 2025
An official Health Canada notice concerns Mack. Issue: On a small number of trucks, a problem with the trailer body control module could cause the trailer lights not to work. Safety Risk: Trailer lights that don't work could make the vehicle less visible and cause following drivers not to recognize that the vehicle is braking or intends to turn or change lanes. These issues could increase the risk of a crash. Corrective Actions: Mack will notify owners by mail and advise you to take your truck to a dealership to inspect and, if necessary, replace the trailer body control module. Published 2025-09-29.
What to do now
Please see corrective actions section below
Recall number
78220
Official notice
2025-09-29
The hazard
The hazard
Issue: On a small number of trucks, a problem with the trailer body control module could cause the trailer lights not to work. Safety Risk: Trailer lights that don't work could make the vehicle less visible and cause following drivers not to recognize that the vehicle is braking or intends to turn or change lanes. These issues could increase the risk of a crash. Corrective Actions: Mack will notify owners by mail and advise you to take your truck to a dealership to inspect and, if necessary, replace the trailer body control module.
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
Product 1
Product 2
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
Source
Tier
Category
App estimate
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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