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February 1, 2024 NHTSA CAMPAIGN NUMBER: 24V063000
Overloaded Electrical System May Cause Fire
Overloaded electrical circuits can overheat, increasing the risk of fire.
NHTSA Campaign Number: 24V063
Manufacturer Braun Ambulances
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 628
Summary
Braun Ambulances (Braun) is recalling certain 2020-2023 Chief XL I, Express Plus I, Chief XL III, Liberty I, Super Chief I, Signature Series III, Signature Series I, and 2020-2024 Express III emergency vehicles equipped with Weldon 8X16 Input-Output 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
Weldon will update the firmware, free of charge. Owner notification letters are expected to be mailed February 12, 2024. Owners may contact Akron Brass customer service at 1-800-228-1161 or Braun customer service at 1-800-488-0359. Braun’s number for this recall is 2024-01.
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 :
In early October 2023, Weldon was notified that external wiring in a vehicle using the node had melted. The part was returned to Weldon for analysis in mid-October where it was found that when an external short circuit occurred, the electrical output did not shut down as specified. Weldon conducted testing and analysis of the version of the node used in the vehicle as well as prior versions of the node and it was found that for the version of the node installed in the vehicle, the electrical current sensing calibration was outside the specified limits. Weldon found that the calibration was previously updated in production, but was not considered to pose a broader concern at the time. On October 24, 2023, Weldon decided to conduct a safety recall to address the issue. Braun was informed of this recall via letter on January 15th, 2024. After review and investigation Braun is filing this corresponding recall on February 1st, 2024.
33 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| BRAUN AMBULANCES | CHIEF XL TYPE I | 2020-2023 |
| BRAUN AMBULANCES | CHIEF XL TYPE III | 2020-2023 |
| BRAUN AMBULANCES | EXPRESS PLUS TYPE I | 2020-2023 |
| BRAUN AMBULANCES | EXPRESS TYPE III | 2020-2024 |
| BRAUN AMBULANCES | LIBERTY TYPE I | 2020-2023 |
| BRAUN AMBULANCES | SIGNATURE SERIES TYPE I | 2020-2023 |
| BRAUN AMBULANCES | SIGNATURE SERIES TYPE III | 2020-2023 |
| BRAUN AMBULANCES | SUPER CHIEF TYPE I | 2020-2023 |
3 Associated Documents
Recall Acknowledgement
RCAK-24V063-8496.pdf 708.738KB
Defect Notice 573 Report
RCLRPT-24V063-5498.PDF 221.456KB
Manufacturer Notices(to Dealers,etc)
RCMN-24V063-8554.pdf 235.855KB
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SEOCONTENT-START
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-063
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Braun Ambulances FEB 01, 2024 NHTSA Recall No. : 24V-063 Manufacturer Recall No. : 2024-01 Manufacturer Information :
Manufacturer Name : Braun Ambulances Address : 1170 Production Drive
Van Wert OH 45891
Company phone : 4192327020
Population :
Number of potentially involved : 628 Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2020-2023 Braun Ambulances Chief XL 1 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 174 diesel Chief XL 1’s are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2023 Braun Ambulances Chief XL 1 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : GAS
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 78 gas Chief XL 1’s are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 24V-063 Page 2 Vehicle 3 : 2020-2023 Braun Ambulances Express Plus I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 44 Express Plus I diesel are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2020-2023 Braun Ambulances Express Plus I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : GAS
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 58 gas Express Plus 1 are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2020-2023 Braun Ambulances Chief XL III Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 2 diesel Chief XL III are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-063 Page 3 Vehicle 6 : 2020-2023 Braun Ambulances Chief XL III Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : GAS
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire.85 gas Chief XL III are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 7 : 2020-2023 Braun Ambulances Liberty I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 64 gas Liberty I are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 8 : 2020-2023 Braun Ambulances Liberty I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : GAS
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 7 gas Liberty 1 are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-063 Page 4 Vehicle 9 : 2020-2023 Braun Ambulances Super Chief I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 68 diesel Super Cheif I are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 10 : 2020-2024 Braun Ambulances Express III Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : GAS
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 37 gas Express III are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 11 : 2020-2023 Braun Ambulances Signature Series III Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : GAS
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 9 Signature Series III are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-063 Page 5 Vehicle 12 : 2020-2023 Braun Ambulances Signature Series I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL
Descriptive Information : Braun Ambulances is filing a corresponding recall regarding Weldon I/O nodes used in Braun vehicles. Weldon, a division of Akron Brass Company, has decided a safety related defect exists in certain V-MUX 8 x 16 I/O Nodes, Weldon Part Number
6030-2000-00 produced between March 10, 2020, and June 14, 2023. Versions 1.00 through 1.02 are affected. Versions 1.03 and newer are not subject to this recall. This could increase the risk of a vehicle fire. 2 Signatrue Series I are impacted.
Production Dates : FEB 01, 2020 – AUG 01, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : In the affected nodes, 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, and depending on how the product is installed in the vehicle, this could increase the risk of a vehicle fire.
FMVSS 1 : 101 – Control and displays FMVSS 2 : NR
Description of the Safety Risk : In the event of a short circuit or wiring failure, if the electrical circuit(s)
become overloaded, depending on how the input-output node(s) is wired into the vehicle including whether it is located near a flamable fuel source, there is an increased risk of heat related damage or fire.
Description of the Cause : 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, and depending on how the product is installed in the vehicle, this could increase the risk of a vehicle fire. The electrical current sensing calibration was not produced to specification so that the firmware would not shut off the output pin under a short circuitcaused by external load or wiring failure. Identification of Any Warning NR
that can Occur : Involved Components : The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-063 Page 6 Component Name 1 : V-MUX 8X16 I/O Nodes Component Description : I/O Nodes
Component Part Number : 6030-2000-00 Supplier Identification : Component Manufacturer
Name : Weldon Division of Akron Brass Address : 607 NW 27th Avenue
Ocala Florida 34475
Country : United States Chronology :
In early October 2023, Weldon was notified that external wiring in a vehicle using the node had melted. The part was returned to Weldon for analysis in mid-October where it was found that when an external short circuit occurred, the electrical output did not shut down as specified. Weldon conducted testing and analysis of the version of the node used in the vehicle as well as prior versions of the node and it was found that for the version of the node installed in the vehicle, the electrical current sensing calibration was outside the specified limits. Weldon found that the calibration was previously updated in production, but was not considered to pose a broader concern at the time. On October 24, 2023, Weldon decided to conduct a safety recall to address the issue. Braun was informed of this recall via letter on January 15th, 2024. After review and investigation Braun is filing this corresponding recall on February 1st, 2024. Description of Remedy :
Description of Remedy Program : Weldon will update the firmware in the 8 x 16 node as installed in affected
vehicles and in OEM inventory that are within the identified version range. Weldon will evaluate and provide reimbursement for pre- notificationremedies on an individual basis. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : Firmware version number on the device determines the range of devices that shall be recalled. Version 1.00- 1.02 to be recalled
June 14, 2023 as part of normal quality work, the current sensing calibration firmware was updated in production. Recall Schedule : Description of Recall Schedule : Communication to dealer network will begin upon completion of this
The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-063
Page 7
The information contained in this report was submitted pursuant to 49 CFR §573
submission. Weldon recall information will be initially shared as the Braun corresponding letters are approved and mailed.
Planned Dealer Notification Date : FEB 09, 2024 – FEB 16, 2024
Planned Owner Notification Date : FEB 12, 2024 – FEB 23, 2024
* NR – Not Reported
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Braun Industries, Inc. 1170 Production Drive Van Wert OH 45891
Website: www.braunambulances.com | Phone: 419-232-7020 | Fax: 419-232-7070
IMPORTANT SAFETY RECALL
NHTSA Recall # 24V-063
Braun Recall Notice: 2024-01
January 31, 2024
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
Braun Industries has decided, based on information provided by Weldon, a division of Akron Brass Company, that a safety defect, which relates to motor vehicle safety, exists in certain Type I and Type III Chief XL, Express, Express Plus, Liberty, Super Chief, and Signature Series vehicles produced from March 2020 through October 2023. The defect exists in Weldon Part Number 6030‐2000‐00, Versions 1.00 through 1.02, produced between March 10, 2020, and June 14, 2023.
In the affected nodes, 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, and depending on how the product is installed in the vehicle, this could increase the risk of a vehicle fire.
You are receiving this notice because Braun records indicate you have received vehicles with the affected nodes. Please see included list of affected node serial numbers. Vehicles equipped with these devices need a firmware update. Weldon will remedy the affected units free of charge through the Weldon service network. The update will take about 5 minutes per node to perform. Please contact Akron Brass customer service at 800-228-1161 to remedy this situation.
If you believe there is a failure to remedy this defect without charge to the end user/owner of the vehicle and within a reasonable period of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, DC 20590 or call toll-free Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153); or go to http://www.safercar.gov. You may be eligible to receive reimbursement for the cost of repairs made prior to receiving this notice.
Any lessor who receives a notification of a determination of a safety-related defect or noncompliance pertaining to any leased motor vehicle shall send a copy of such notice to the lessee of a leased motor vehicle, by first-class mail to the most recent lessee known to the lessor. Such notification shall be mailed within ten days of the lessor’s receipt of the notification from the vehicle manufacturer. This requirement applies to both initial and follow-up notifications but does not apply where the manufacturer has notified a lessor’s lessees directly.
We apologize in advance for the inconvenience this issue may cause your organization. We will make every effort to make this as simple as possible for you.
Sincerely,
Kim Braun
President – U.S. Division
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