2024 Mack Pinnacle (Pi/PN) problems

What is wrong

Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 Pinnacle (PI/PN) trucks. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Risk

Insufficient air volume can reduce braking performance and increase the risk of a crash.

Remedy

Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed February 10, 2025. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0473.

Recall number 25V026000 · Recall details

What is wrong

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.

Risk

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.

Recall number 24V792000 · Recall details

What is wrong

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.

Risk

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.

Recall number 24V567000 · Recall details

What is wrong

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.

Risk

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.

Recall number 23V899000 · Recall details

What is wrong

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.

Risk

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.

Recall number 23V691000 · Recall details