Lighting and hvac display may lock up
Defect Summary
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.
Corrective Action
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.
Similar Recalls
Other recalls from Halcore Group, Inc. or involving Electrical System.
FAQ: Recall 20V783000
Your rights, the repair process, and what each field on this page means.
What is recall 20V783000?
NHTSA recall 20V783000 was issued by Halcore Group, Inc. on December 15, 2020. It addresses: Lighting and hvac display may lock up. The recall affects approximately 7 vehicles, with the defect involving the Electrical System component.
How do I get this recall repaired?
Contact any authorized Halcore Group, Inc. dealer and reference NHTSA recall ID 20V783000 or the manufacturer campaign number 20E-078. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.