Aev Freightliner M2 Ambulance, Aev Traumahawk, Aev Type 1 F-Series Ambulance, model years 2020 to 2021. Filed by Halcore Group, Inc. and reported to NHTSA on 15 December 2020. 7 vehicles potentially affected.
What the notice says Halcore Group, Inc. (Halcore) is recalling certain 2020-2021 American Emergency Vehicle Traumahawk Type I Ram 4500, 2020 American Emergency Vehicle Type I Ford F-450 and Ford F-550, and 2021 American Emergency Vehicle Medium Duty Ambulance Freightliner M2 vehicles, equipped with Weldon V-Mux Vista IV Standard LCD …
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.
The maker's own number for this recall: 20E-078. That is the number on the owner letter and on the dealer paperwork. 20V783 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 20V783 cover?
- Aev Freightliner M2 Ambulance, Aev Traumahawk, Aev Type 1 F-Series Ambulance, model years 2020-2021.
- What is wrong with them?
- Halcore Group, Inc. (Halcore) is recalling certain 2020-2021 American Emergency Vehicle Traumahawk Type I Ram 4500, 2020 American Emergency Vehicle Type I Ford F-450 and Ford F-550, and 2021 American Emergency Vehicle Medium Duty Ambulance Freightliner M2 vehicles, equipped with Weldon V-Mux Vista...
- What can happen if it is not put right?
- If the LCD display becomes locked up or non-functional it can delay emergency efforts, which can increase the risk of injury.
- Is there a fix yet?
- Yes, and it is free. Halcore will notify owners, and dealers will provide updated replacement Vista IV units, free of charge. The recall began January 11, 2021. Owners may contact Halcore customer service at 1-800-447-0343. Halcore's number for this recall is 20E-078.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. The maker calls this recall 20E-078, 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: “If the LCD display becomes locked up or non-functional it can delay emergency efforts, which can increase the risk of injury.”
affected
in the notice
caught
| Campaign | 20V783 |
|---|---|
| Filed by | Halcore Group, Inc. |
| System at fault | Electrical System:Instrument Cluster/Panel |
| Reported to NHTSA | 15 December 2020 |
| Model years | 2020-2021 |
| Vehicles named | AEV FREIGHTLINER M2 AMBULANCE, AEV TRAUMAHAWK, AEV TYPE 1 F-SERIES AMBULANCE |
What the notice says today
The consequence
If the LCD display becomes locked up or non-functional it can delay emergency efforts, which can increase the risk of injury.
The remedy
Halcore will notify owners, and dealers will provide updated replacement Vista IV units, free of charge. The recall began January 11, 2021. Owners may contact Halcore customer service at 1-800-447-0343. Halcore's number for this recall is 20E-078.
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 20V783, wording as read on 16 September 2026. https://carsmultiverse.com/recall/20v783/
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.
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 20V783 on 23 August 2026, they were:
- Defect summary
871dbbf0 - Consequence
04e0103e - Remedy
be6cf015
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 20V783 · how the whole register is watched
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