Pierce Commercial, model years 2023 to 2024. Filed by Pierce Manufacturing and reported to NHTSA on 26 February 2024. 15 vehicles potentially affected.
What the notice says 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.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Pierce's own number for this recall: 74B334. That is the number on the owner letter and on the dealer paperwork. 24V147 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 24V147 cover?
- Pierce Commercial, model years 2023-2024.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- Overloaded electrical circuits can overheat, increasing the risk of fire.
- Is there a fix yet?
- Yes, and it is free. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Pierce calls this recall 74B334, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “Overloaded electrical circuits can overheat, increasing the risk of fire.”
affected
in the notice
caught
| Campaign | 24V147 |
|---|---|
| Filed by | Pierce Manufacturing |
| System at fault | Electrical System |
| Reported to NHTSA | 26 February 2024 |
| Model years | 2023-2024 |
| Vehicles named | PIERCE COMMERCIAL |
What the notice says today
The consequence
Overloaded electrical circuits can overheat, increasing the risk of fire.
The 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.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 1,836 notices in the record whose component field names electrical system. Across that group the median wait before owners were written to was 41 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 24V147, wording as read on 17 September 2026. https://carsmultiverse.com/recall/24v147/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Pierce notices we hold
- 26V217: 2015-2026 Arrow XT, Enforcer, Impel, and Velocity 107’ ladder and 110’ platform aerial firetrucks equipped with a single rear axle
- 26V060: 2025 Velocity, Saber, Impel, Enforcer, and Arrow XT
- 24V905: 2023-2024 Enforcer, Quantum, and Velocity fire trucks
- 24V127: 2020 Enforcer, 2021-2022 Velocity, and 2023 Saber
- 24V012: 2020-2023 Freightliner and International Chassis
- 23V823: 2019-2023 Arrow XT, Enforcer, and Velocity mid-mount tower trucks equipped with an aerial platform basket
- 23V407: 2016-2022 Ascendant 107' Aerials and 110' Platforms mounted on single rear axle Enforcer chassis
- 23V096: 2018-2023 Velocity, Impel, Enforcer, and Arrow XT 110-foot aerial trucks
All 61 Pierce campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 24V147 on 5 September 2026, they were:
- Defect summary
f151815d - Consequence
1d105752 - Remedy
455baeb7
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 24V147 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Pierce Commercial, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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