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Pierce Commercial Recall 24V147: Electrical Short Can Fail to Cut Power, Creating Fire Risk

NHTSA campaign 24V147, reported February 26, 2024, 15 vehicles potentially affected.

What this recall means for you

Certain 2023-2024 Pierce Commercial chassis are equipped with Hercules HC 1.7 multiplex nodes. If a short circuit or wiring failure occurs, the node's firmware may fail to shut off an output pin, so electrical circuits can become overloaded.

Overloaded electrical circuits can overheat, which increases the risk of a fire. Owners should be aware of this hazard and check whether their vehicle is affected.

The remedy is a free firmware update that will be performed by Weldon at no cost to you. The manufacturer has not yet provided a schedule for owner notification. To ask about your vehicle, contact Pierce customer service at 1-888-974-3723 (Pierce recall number 74B334), and check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V147Pierce Manufacturing
Component
ELECTRICAL SYSTEM
Problem
Pierce Manufacturing (Pierce) is recalling certain 2023-2024 Commercial Chassis equipped with Hercules HC 1.7 multiplex nodes. In the event of a short circuit or wiring failure, the firmware in the node may fail to shut off the output pin, resulting in overloaded electrical circuits.
Risk
Overloaded electrical circuits can overheat, increasing the risk of fire.
Remedy
Weldon will update the firmware, free of charge. The manufacturer has not yet provided a schedule for recall notification. Owners may contact Pierce customer service at 1-888-974-3723. Pierce's number for this recall is 74B334.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Pierce Commercial20232024