Lighting and hvac display may lock up
Defect Summary
Rev ambulance group orlando, inc. (rev) is recalling certain 2019-2021 type i and ix vehicles equipped with weldon v-mux vista iv lcd displays used for controlling emergency vehicle lighting and hvac functions. these displays may experience low voltage spikes, causing the lcd display to lock up or become nonfunctional, due to varying electrical installations.
Safety Consequence
A locked up or non-functional lcd display can delay emergency efforts, which can increase the risk of injury.
Corrective Action
Rev has notified owners, and weldon, a division of akron brass will provide a replacement display, free of charge. owner notification letters were mailed on may 5, 2021. owners may contact rev customer servicer at 1-855-661-9232.
Similar Recalls
Other recalls from Rev Ambulance Group Orlando, Inc. or involving Electrical System.
FAQ: Recall 21V289000
Your rights, the repair process, and what each field on this page means.
What is recall 21V289000?
NHTSA recall 21V289000 was issued by Rev Ambulance Group Orlando, Inc. on April 23, 2021. It addresses: Lighting and hvac display may lock up. The recall affects approximately 20 vehicles, with the defect involving the Electrical System component.
How do I get this recall repaired?
Contact any authorized Rev Ambulance Group Orlando, Inc. dealer and reference NHTSA recall ID 21V289000 or the manufacturer campaign number NR (Not Reported). 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.