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2025-2026 Mack Pioneer PR (4) recall: lighting control module

Mack Trucks, Inc. reported this safety recall on September 18, 2025. It covers about 156 vehicles.

vehicles affected
156
reported
Sep 18, 2025
owners notified
Nov 19, 2025

Exterior lighting: lighting control module

What is wrong
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.
Risk
Trailer tail lights and turn signals that do not illuminate as intended can reduce visibility to other drivers, increasing the risk of a crash.
Remedy
Dealers will replace the trailer body input/output module, free of charge. Owner letters were mailed November 19, 2025. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0484.Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning September 25, 2025.

Recall number 25V622000

Affected vehicles

Questions about recall 25V622000

Is there a recall on the 2025-2026 Mack Pioneer PR (4) lighting control module?

Yes. Recall 25V622000, reported on September 18, 2025, covers about 156 vehicles.

What is the fix for recall 25V622000?

Dealers will replace the trailer body input/output module, free of charge. Owner letters were mailed November 19, 2025. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0484.Vehicle Identification Numbers (VINs) involved in this recall will be searchable on beginning September 25, 2025.

Is the recall repair free?

Safety recall repairs are done free of charge at authorized dealers. A dealer can confirm with the VIN whether a specific vehicle is included and whether the repair has already been done.

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