NHTSA campaign 20V783000
AEV Recall 20V-783: Lighting and HVAC Display May Lock Up
NHTSA recall 20V783000 was reported by Halcore Group, Inc. on December 15, 2020, with 7 vehicles potentially affected (per NHTSA). NHTSA's record lists the AEV Traumahawk, AEV Freightliner M2 Ambulance and AEV Type 1 F-Series Ambulance for model years 2020–2021. Owners were notified on January 11, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 20V783000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 20V783000 (also written 20V-783 or 20V783)
- Filed by
- Halcore Group, Inc.
- Manufacturer campaign number (as filed)
- 20E-078
- Report received
- Potentially affected
- 7 vehicles (per NHTSA)
- Component
- Electrical System — Instrument Cluster/Panel
- Owners notified
Repair completion: 57.14% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 20V783000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
AEV
All AEV recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 20V783000.
Defect description
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 displays used for controlling emergency vehicle lighting and HVAC functions. These displays may experience low voltage spikes, and cause the LCD display to lock up or become nonfunctional, due to varying electrical installations.
Safety consequence
If the LCD display becomes locked up or non-functional it can delay emergency efforts, which can increase the risk of injury.
Manufacturer 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.
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.safercar.gov.
Sources
Official NHTSA notice for recall 20V783000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.