01 / OFFICIAL CAMPAIGNS
2022 Mack Pinnacle (Pi/Pn) recall campaigns
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 22V401000
- Component
- STEERING
- Report received
- June 7, 2022
- Potential units
- 5,644campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Why it matters: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Remedy
Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0437.
Owner notification: July 29, 2022 · Filing manufacturer: Mack Trucks, Inc.
NHTSA 21V416000
- Component
- WHEELS
- Report received
- June 2, 2021
- Potential units
- 307campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.
Why it matters: A separated hubcap can create a road hazard, increasing the risk of a crash.
Remedy
Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0425.
Owner notification: June 30, 2021 · Filing manufacturer: Mack Trucks, Inc.
NHTSA 21V233000
- Component
- ELECTRONIC STABILITY CONTROL (ESC)
- Report received
- April 1, 2021
- Potential units
- 557campaign-wide
Defect and consequence
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles.".
Why it matters: A vehicle that drifts out of its lane increases the risk of a crash.
Remedy
Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423.
Owner notification: April 21, 2021 · Filing manufacturer: Mack Trucks, Inc.
02 / COMPONENT BREADTH