2019–2024 Rev Ambulance Type I, 2020–2024 Rev Ambulance Type Iii, 2019–2024 Rev Ambulance Type iX Recall: In the event of a short circuit or wiring failure, the firmware in the…
NHTSA campaign 24V281000 · Electrical System · filed Apr 19, 2024 · verified Jul 30, 2026
The defect
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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.nhtsa.gov.
Affected vehicles
Related recalls
More Rev Ambulance Type I recalls
- 2019–2024 Rev Ambulance Type I and 1 other model — Outrigger bolts may not be properly tightened, which can…
- 2020–2024 Rev Ambulance Type I and 2 other models — In the event of a short circuit or wiring failure, the…
- 2019–2021 Rev Ambulance Type I and 1 other model — These displays may experience low voltage spikes, causing…
Other campaigns involving Rev Ambulance vehicles
All Rev Ambulance Type I recalls → · All Rev Ambulance recalls →
Source: NHTSA recall database, campaign 24V281000. Data last verified Jul 30, 2026.