Electrical systemRecall 24V-281 · Rev Ambulance and Road Rescue vehicles
REV Ambulance Group Orlando, Inc. recall 24V-281 covers 76 Rev Ambulance and Road Rescue vehicles for a electrical system problem, reported to NHTSA on April 19, 2024. The manufacturer's latest report (2026 Q1) shows 49% of affected vehicles repaired.
Source: NHTSA recall 24V281000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The problem
REV Ambulance Group Orlando, Inc. (REV) is recalling certain 2019-2024 Type I, Type III, and Type IX vehicles equipped with certain Weldon Vmux HC1.7 Input/Output 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.
The risk
Overloaded electrical circuits can overheat, increasing the risk of fire.
The fix
Dealers will update the firmware, free of charge. Owner notification letters were May 17, 2024. Owners may contact REV customer service at 1-855-661-9232.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
49%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.