01 / OFFICIAL CAMPAIGNS
2024 Mack Anthem (An) recall campaigns
NHTSA 25V666000
- Component
- SEAT BELTS
- Report received
- October 6, 2025
- Potential units
- 15,841campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages.".
Why it matters: An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Remedy
Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning October 13, 2025.
Owner notification: January 21, 2026 · Filing manufacturer: Mack Trucks, Inc.
NHTSA 24V792000
- Component
- ELECTRICAL SYSTEM, SERVICE BRAKES, HYDRAULIC
- Report received
- October 23, 2024
- Potential units
- 59,338campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Why it matters: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.
Remedy
Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.
Owner notification: December 9, 2024 · Filing manufacturer: Mack Trucks, Inc.
NHTSA 24V567000
- Component
- SEAT BELTS, SEATS
- Report received
- July 30, 2024
- Potential units
- 242campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 Anthem, Granite, and Pinnacle vehicles equipped with RollTek driver's seat assemblies. The seat pedestal and seat belt attachment may have been improperly tightened.
Why it matters: An improperly tightened seat pedestal and seat belt attachment may not restrain the occupant as intended, increasing their risk of injury during a crash.
Remedy
Dealers will replace and tighten the seat pedestal and seat belt attachment bolts, free of charge. Owner notification letters were mailed September 16, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0469.
Owner notification: September 16, 2024 · Filing manufacturer: Mack Trucks, Inc.
NHTSA 23V899000
- Component
- STEERING
- Report received
- December 26, 2023
- Potential units
- 284campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2024 Anthem, Pinnacle, and Terrapro vehicles. The steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of steering control.
Why it matters: A loss of steering control increases the risk of a crash.
Remedy
Dealers will inspect and replace the defective gears as necessary, free of charge. Owner notification letters were mailed February 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0457.
Owner notification: February 9, 2024 · Filing manufacturer: Mack Trucks, Inc.
NHTSA 23V792000
- Component
- VEHICLE SPEED CONTROL
- Report received
- November 22, 2023
- Potential units
- 650campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2023-2024 GR, AN, LR, and Terrapro vehicles. The engine may not return to idle within 2 seconds if the accelerator pedal position sensor becomes disconnected. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 124, "Accelerator Control Systems.".
Why it matters: An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
Remedy
Mack will replace the throttle pedal and update the vehicle software, free of charge. Owner letters were mailed February 27, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0455.
Owner notification: February 27, 2024 · Filing manufacturer: Mack Trucks, Inc.
NHTSA 23V691000
- Component
- ELECTRONIC STABILITY CONTROL (ESC)
- Report received
- October 13, 2023
- Potential units
- 13campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2024 Anthem and Pinnacle vehicles. A software programming error may cause the electronic stability control (ESC) to be inoperative.
Why it matters: Driving with an inoperative electronic stability control system can increase the risk of a crash.
Remedy
Dealers will reprogram the control unit software, free of charge. Owner notification letters are expected to be mailed December 3, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0450.
Owner notification: November 1, 2023 · Filing manufacturer: Mack Trucks, Inc.
02 / COMPONENT BREADTH