Safety defect investigations, technical specifications, and manufacturer repair notices for Canadian owners.
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Safety recall notices and repair campaigns registered for the 2019 Mack Granite in Canada.
On certain trucks, the passenger-side seat belt anchor may not have been secured to the floor properly. As a result, the seat belt could detach in a crash. Note: For the MD model, this recall also affects certain 2025 model year MD electric vehicles.
A seat belt that detaches could increase the risk of injury in a crash.
Mack will notify owners by mail and advise you to take your truck to a dealership to reinforce the passenger-side seat belt anchor.
On certain trucks, the front turn signals may not be visible from certain angles. As a result, the trucks don't meet the requirements of the Canadian regulations.
Turn signals that aren't visible from certain angles may cause a person not to recognize when a driver intends to turn or change lanes. This could increase the risk of a crash.
Mack will notify owners by mail and advise you to take your truck to a dealership to install additional front turn signals.
On certain trucks, some controls are not identified with the required symbol(s) or word(s). Specifically, the identifications for the HVAC fan control, the position side marker light control, the master lighting switch control and the turn signal control may be missing or mislabeled. Canadian regulations require the use of certain symbols and words for controls. This can help to avoid driver confusion.
These small errors do not affect safety or the function of the controls.
This is not a recall. Mack has made changes to ensure that the controls for all new trucks are identified with the required symbol(s) and word(s).
On certain trucks, when the manual override is used to switch off the daytime running lamps (DRLs), the lights may not turn on again when you start driving. Canadian regulations require that if DRLs are manually turned off, they must turn on again when you start driving.
Driving without daytime running lights could make the vehicle less visible to others and increase the risk of a crash.
Mack will notify owners by mail and instruct you to take your truck to a dealer to update the vehicle software.
On certain trucks, the welds that attach the trailer hitch may crack due to improper welding. As a result, the hitch could detach from the truck while towing a trailer. Note: This recall only affects certain trucks with trailer hitches installed by Commercial Truck Equipment.
A trailer that detaches from a truck could create a risk of a crash.
Commercial Truck Equipment will notify owners by mail and instruct you to take your truck to a dealer to inspect the trailer hitch and repair or replace it, as necessary. You should stop using the trailer hitch until the inspection and repair have been completed.
On certain vehicles, the down-view mirror may detach from the passenger’s door.
A mirror that falls from the vehicle could strike another vehicle or pedestrian. This may create the risk of an injury or crash.
The company will notify owners by mail. Owners will be instructed to take their vehicle to a dealer to secure the mirror. The dealer will add additional fasteners and a reinforcement plate as needed.
Certain trucks were equipped with Bridgestone M864, M860A or M854 wide-base tires, size 425/65R22.5, that may not conform to the endurance testing requirements of Canada Motor Vehicle Safety Standard (CMVSS) 119 - Tires for vehicles other than passenger cars. A manufacturing problem could cause a bulge or blister to be present in the sidewall of the tires. Over time, this could cause deterioration of the tire’s structure and lead to a sudden tire failure that may increase the risk of a crash causing property damage and/or personal injury. Correction: Dealers will inspect and replace affected tires as necessary.
A failure of this component (tires) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
Certain vehicles equipped with a snowplow preparation kit may fail to comply with the requirements of Canada Motor Vehicle Safety Standard (CMVSS) 108 - Lighting System and Retroreflective Devices. The snowplow headlamps can be turned on without other exterior lights, and the high beam indicator does not work when the snowplow high beams are turned on, which is contrary to the requirements of the standard. This could allow the vehicle to be operated with the snowplow headlamps on and marker and tail lamps off, making the vehicle harder to see and potentially increasing the risk of a crash causing injury and/or damage to property. Correction: Dealers will update vehicle software to correct the non-compliance.
A failure of this component (lights and instruments) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
Official Transport Canada safety campaigns, Canadian motor vehicle safety compliance standards and live VIN specifications.
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