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RECALLS — MAKE · MODEL · YEAR

2015 Mack CXU recalls

13 safety recall campaigns have been filed for the 2015 Mack CXU with Transport Canada and the U.S. NHTSA. Here is what both agencies say.

Canadian recalls
13
U.S. recalls
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Total campaigns
13

Transport Canada recalls

13
  • Powertrain#2016495

    1,690 units affected

    On certain vehicles, the cap nut that retains the interaxle driveshaft yoke to the rear axle input shaft may prematurely loosen. If the nut were to loosen and come off, the yoke could separate from the axle input shaft and cause the drive shaft to disconnect. A disconnected drive shaft would result in a loss of motive power, and create a road hazard, both of which could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will inspect the torque on the cap nut, and the nut will be replaced if the torque is found under specification. Note: This is an expansion of recall 2016-079.

  • Powertrain#2016079

    1,068 units affected

    On certain vehicles, the cap nut that retains the interaxle driveshaft yoke to the rear axle input shaft may prematurely loosen. If the nut were to loosen and come off, the yoke could separate from the axle input shaft and cause the drive shaft to disconnect. A disconnected drive shaft would result in a loss of motive power, and create a road hazard, both of which could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will replace the cap nut, and inspect the threads on the input shaft. If the threads are damaged, the input shaft will be replaced.

  • Brakes#2015372

    241 units affected

    On certain vehicles, The chassis electrical harness and air brake lines may not have been properly secured at the crossmember. This could cause the electrical cables and air lines to fall down and get twisted in the driveline. This could affect safety systems such as brakes, increasing stopping distances or causing unintended parking brake application. This could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will inspect and repair the vehicle as needed.

  • Brakes#2015115

    6 units affected

    On certain vehicles, brake chamber diaphragm(s) may not be properly seated. This could lead to brake drag, causing brake overheating or unintended spring brake application. These issues could increase the risk of a crash causing injury and/or property damage. Correction: Dealers will replace the brake chambers.

  • Accessories#2015100

    71 units affected

    On certain vehicles, the fifth wheel remote unlocking switch may not work as designed. As a result, the driver may inadvertently release the 5th wheel latch when the park brake is applied if he/she presses or bumps the switch. This could cause the trailer to decouple from the truck increasing the risk of injury and/or damage to property. Correction: Dealers will add a redundant measure such as an additional switch or adding a thumb lock that requires 2 actions to push the switch.

  • Brakes#2015044

    10 units affected

    Certain vehicles fail to comply with the requirements of Canada Motor Vehicle Safety Standard 121 - Air Brake Systems. These vehicles were built with insufficient air tank reserve capacity, which may provide an insufficient air supply to properly operate the brakes during repetitive brake applications. This may result in reduced braking performance which could result in a vehicle crash. Correction: Dealers will install a bigger air tank to increase air reservoir capacity.

  • Electrical#2015017

    32 units affected

    On certain model vehicles outfitted with an Automatic Over-Speed Protection system, the system may be incorrectly wired. This presents a potential risk as the operator may not be able to control an unintended increase in the engine RPM if combustible vapors enter through the air intake. If this occurs, it could increase the risk of an engine fire that may cause injury and/or property damage. Correction: Dealers will inspect and repair accordingly.

  • Electrical#2014527

    11,668 units affected

    On certain model vehicles, water around the windshield can migrate into the Electronic Power Distribution Module and contaminate it. As a result, circuits may be bridged creating an electrical short. This could potentially result in a fire, increasing the risk of injury and/or damage to property. Correction: Dealers will inspect the module, and if found contaminated, will replace it. Additional measures will be taken to address the leak if contamination is found. Note: This is an expansion of recall 2014-053.

  • Suspension#2014526

    33 units affected

    On certain vehicles, the collars that prevent the ball sockets from backing out of the tie rod may have been incorrectly positioned. If the ball socket(s) became loose, a complete loss of steering or loss of steering at one wheel end could occur, which could increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will inspect, and if necessary, reposition the collar.

  • Seats And Restraints#2014390

    46 units affected

    On certain vehicles, bolts securing the seat belts to the seat frame, cab wall and cab floor may have been insufficiently tightened during vehicle assembly. As a result, bolts could loosen over time and potentially allow the seat belt to detach from its mounting points. If this occurs, the seat belt may fail to restrain the seat occupant in a crash, increasing the risk of injury and/or damage to property. Correction: Dealers will tighten the affected bolts to the specified torque.

  • Brakes#2014148

    16 units affected

    On certain vehicles, the air brake supply tank pressure release valve may not have been installed at time of assembly. This could allow brake system pressure to rise above allowable limits, potentially causing the air tank to rupture. This could cause a loss of air brake system pressure, resulting in an eventual loss of service brake function and an unintended application of the emergency brakes, and could pose a risk of injury to bystanders due to flying debris. Correction: Dealers will install a pressure release valve in the supply tank.

  • Lights And Instruments#2014147

    46 units affected

    Certain vehicles may not comply with the requirements of Canada Motor Vehicle Safety Standard 108 - Lighting System and Retroreflective Devices. Conspicuity tape applied to the back of the cab may be obscured by exhaust system components to a greater degree than what is allowed by the standard. This could reduce vehicle conspicuity during hours of darkness, potentially increasing the risk of a crash causing injury and/or damage to property. Correction: Dealers will add reflectors if necessary.

  • Engine#2014090

    157 units affected

    On certain vehicles equipped with Cummins compressed natural gas engines, incorrect engine ECU programming could cause the exhaust system temperature to become elevated during cold weather operation. This could also cause flames to be emitted from the exhaust. As a result, nearby combustible material could be ignited, increasing the risk of a fire, injury and/or damage to property. Correction: Authorized Cummins service facilities will update software programming.

Canadian data updated August 24, 2026

U.S. NHTSA recalls

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No recalls found for this make, model, and year.

Does this recall apply to my vehicle?

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What to do

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