# Recalls that may apply to the 2025 Mack Pioneer

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

## United States (NHTSA), as of 2026-10-19

- [26V631000](/recalls/nhtsa/26V631000.md), 2026-10-01: STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL; STRUCTURE:EXTERIOR TRIM. Mack Trucks, Inc. \(Mack\) is recalling certain 2026\-2027 Anthem AN \(4\) and 2025\-2027 Pioneer PR \(4\) vehicles. The intake and grille bezels may detach from the vehicle. Built 2024\-10\-22 to 2026\-09\-18.
- [26V261000](/recalls/nhtsa/26V261000.md), 2026-04-23: SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE. Mack Trucks, Inc. \(Mack\) is recalling certain 2025\-2027 Pioneer \(4\) and 2026\-2027 Anthem \(4\) vehicles. The rear brake modulators may have unprotected electrical connectors that can short circuit and lead to a loss of the anti\-lock brake system \(ABS\) and electronic stability control \(ESC\). Built 2024\-10\-22 to 2026\-04\-21.
- [26V207000](/recalls/nhtsa/26V207000.md), 2026-04-01: EXTERIOR LIGHTING:TURN SIGNAL. Mack Trucks, Inc. \(Mack\) is recalling certain 2025\-2027 Pioneer \(4\) and 2027 Anthem \(4\) trailers. The trailer turn signals may not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment." Built 2024\-10\-24 to 2026\-02\-26.
- [25V803000](/recalls/nhtsa/25V803000.md), 2025-11-20: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE. Mack Trucks, Inc. \(Mack\) is recalling certain 2026 Anthem \(4\) and 2025\-2026 Pioneer vehicles. The automatic high beams \(AHB\) may not switch to low beam headlights as intended.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment." Built from 2024\-10\-22.
- [25V801000](/recalls/nhtsa/25V801000.md), 2025-11-20: EQUIPMENT:MECHANICAL. Mack Trucks, Inc. \(Mack\) is recalling certain 2025\-2026 Pioneer vehicles. The load lock clamps, located on the back of the cab, may loosen and cause the load lock bars to become unsecured. Built from 2024\-10\-22.
- [25V622000](/recalls/nhtsa/25V622000.md), 2025-09-18: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE. Mack Trucks, Inc. \(Mack\) is recalling certain 2025\-2026 Pioneer vehicles. When towing a trailer, the trailer lights may fail to illuminate due to an improperly manufactured body control module. Built from 2024\-10\-22.
- [25V521000](/recalls/nhtsa/25V521000.md), 2025-08-11: STEERING. Mack Trucks, Inc. \(Mack\) is recalling certain 2025 Anthem and 2025\-2026 Pioneer vehicles. The dynamic steering and oversteer guidance feature may malfunction and cause a loss of steering control. Built 2024\-10\-22 to 2024\-11\-08.
- [25V026000](/recalls/nhtsa/25V026000.md), 2025-01-21: SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK. 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." Built 2023\-12\-21 to 2024\-12\-18.
- [24V792000](/recalls/nhtsa/24V792000.md), 2024-10-23: ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. 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.
- [24V567000](/recalls/nhtsa/24V567000.md), 2024-07-30: SEATS:CRITICAL FASTENERS; SEAT BELTS:CRITICAL FASTENERS. 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.
- [24V504000](/recalls/nhtsa/24V504000.md), 2024-07-02: STEERING:LINKAGES:TIE ROD ASSEMBLY. Mack Trucks, Inc. \(Mack\) is recalling certain 2025 LR, Granite, and Pinnacle vehicles equipped with Composilite EXS20 steerable lift axle suspension assemblies.  The tie rod assembly ball stud could have been improperly heat treated and can fail.
- [24V424000](/recalls/nhtsa/24V424000.md), 2024-06-09: POWER TRAIN:AXLE ASSEMBLY; STEERING:LINKAGES:TIE ROD ASSEMBLY. Mack Trucks, Inc. \(Mack\) is recalling certain 2025 Anthem and Pinnacle trucks.  The tie rod assemblies may contain an improperly heat\-treated ball stud that can fail, resulting in a sudden loss of steering control. **NHTSA advises: do not drive until the repair is done.**

## Canada (Transport Canada), as of 2026-10-19

None found.

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

Contains information licensed under the Open Government Licence – Canada.

JSON: [/v1/vehicles/2025_mack_pioneer/recalls](/v1/vehicles/2025_mack_pioneer/recalls)

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