April 19, 2024 NHTSA CAMPAIGN NUMBER: 24V281000
Overloaded Electrical System May Cause Fire
Overloaded electrical circuits can overheat, increasing the risk of fire.
NHTSA Campaign Number: 24V281
Manufacturer REV Ambulance Group Orlando, Inc.
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 76
Summary
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.
Remedy
Dealers will update the firmware, free of charge. Owner notification letters are expected to be mailed May 17, 2024. Owners may contact REV customer service at 1-855-661-9232.
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.nhtsa.gov.
Chronology :
REV Ambulance Group Orlando, Inc. (REVO) warranty department received a Technical Service Bulletin (TSB), regarding Equipment recall 24E-006.
REVO was notified in April 2024.
REVO conducted an inventory inspection and determined that 76 units were affected. All units have been shipped.
24E006 – Overloaded Electrical System May Cause Fire – Weldon Hercules HC 1.7 Node Multiplex Nodes
17 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| REV AMBULANCE | TYPE I | 2019-2024 |
| REV AMBULANCE | TYPE III | 2020-2024 |
| REV AMBULANCE | TYPE IX | 2019-2024 |
3 Associated Documents
Recall Acknowledgement
RCAK-24V281-7468.pdf 645.476KB
Defect Notice 573 Report
RCLRPT-24V281-8421.PDF 236.475KB
Recall 573 Report-Amendment 1 – 04/23/2024
RCLRPT-24V281-7300.PDF 236.489KB
Latest Recalls Documents
For the Latest and Most recent Recall Information Visit the link below…
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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-281
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
REV Ambulance Group Orlando, Inc. APR 19, 2024 NHTSA Recall No. : 24V-281 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : REV Ambulance Group Orlando, Inc.
Address : 2737 N. Forsyth Road
Winter Park FL 32792 Company phone : 800-628-8178 Population :
Number of potentially involved : NR Estimated percentage with defect : NR Vehicle Information : Vehicle 1 : 2019-2024 REV Ambulance Group Orlan Type I, Type III, & Type IX Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES
Body Style :
Power Train : NR
Descriptive Information : REV’s Type I, Type III, and Type IX vehicles are equipped with Weldon’s Vmux V-MUX HC1.7 Input / Output Node are subject to recall. Weldon provided quantities and serial numbers.
Production Dates : JAN 01, 2019 – JAN 31, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : In the affected products, short circuit protection may not function properly. In the case of a short circuit in the wiring or the connected load, overheating of the wiring or the load may occur.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : Depending on how the product is installed in the vehicle, this could increase the risk of a vehicle fire.
Description of the Cause : NR
Identification of Any Warning
that can Occur :
NR
Involved Components : Part 573 Safety Recall Report 24V-281
Page 2
The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : V-MUX HC1.7 Input / Output Node
Component Description : High Content Node Component Part Number : 6060-2010-00
Supplier Identification : Component Manufacturer
Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive
Columbus Ohio 43228
Country : United States
Chronology :
REV Ambulance Gorup Orlando, Inc. (REVO) warranty department received a Technical Service Bulletin (TSB), regarding Equipment recall 24E-006. REVO was notified in April 2024. REVO conducted an inventory inspection and determined that 76 units were affected. All units have been shipped.
Description of Remedy :
Description of Remedy Program : If the vehicle is equipped with a V-MUX HC1.7 Input / Output Node the end
user must perform a firmware update. Weldon will be responsible for reimbursing the facility for performing the repairs. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : NR REVO currently does not have a vehicle in production with the affected component in question. Recall Schedule :
Description of Recall Schedule : REV Ambulance Group Orlando will begin to notify dealers and customers in May or sooner.
Planned Dealer Notification Date : MAY 03, 2024 – MAY 31, 2024
Planned Owner Notification Date : MAY 17, 2024 – JUN 14, 2024
* NR – Not Reported
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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-281
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
REV Ambulance Group Orlando, Inc. APR 23, 2024 NHTSA Recall No. : 24V-281 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : REV Ambulance Group Orlando, Inc.
Address : 2737 N. Forsyth Road
Winter Park FL 32792 Company phone : 800-628-8178 Population :
Number of potentially involved : 76 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2019-2024 REV Ambulance Group Orlan Type I, Type III, & Type IX Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES
Body Style :
Power Train : NR
Descriptive Information : REV’s Type I, Type III, and Type IX vehicles are equipped with Weldon’s Vmux V-MUX HC1.7 Input / Output Node are subject to recall. Weldon provided quantities and serial numbers.
Production Dates : JAN 01, 2019 – JAN 31, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : In the affected products, short circuit protection may not function properly. In the case of a short circuit in the wiring or the connected load, overheating of the wiring or the load may occur.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : Depending on how the product is installed in the vehicle, this could increase the risk of a vehicle fire.
Description of the Cause : NR
Identification of Any Warning
that can Occur :
NR
Involved Components : Part 573 Safety Recall Report 24V-281
Page 2
The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : V-MUX HC1.7 Input / Output Node
Component Description : High Content Node Component Part Number : 6060-2010-00
Supplier Identification : Component Manufacturer
Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive
Columbus Ohio 43228
Country : United States
Chronology :
REV Ambulance Gorup Orlando, Inc. (REVO) warranty department received a Technical Service Bulletin (TSB), regarding Equipment recall 24E-006. REVO was notified in April 2024. REVO conducted an inventory inspection and determined that 76 units were affected. All units have been shipped.
Description of Remedy :
Description of Remedy Program : If the vehicle is equipped with a V-MUX HC1.7 Input / Output Node the end
user must perform a firmware update. Weldon will be responsible for reimbursing the facility for performing the repairs. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : NR REVO currently does not have a vehicle in production with the affected component in question. Recall Schedule :
Description of Recall Schedule : REV Ambulance Group Orlando will begin to notify dealers and customers in May or sooner.
Planned Dealer Notification Date : MAY 03, 2024 – MAY 31, 2024
Planned Owner Notification Date : MAY 17, 2024 – JUN 14, 2024
* NR – Not Reported
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