Loss Of Vehicle Lighting – 2021 Braun Chief XL Type I, 2020 TLC, & Express Plus Ambulances

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IMPORTANT SAFETY RECALL This notice applies to your vehicle, 3C7WRNCL9NG186467 Braun Recall Notice: 22V370 This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Braun Industries has decided a safety related defect may exist with some Weldon Hercules HC 1.5 I/O Nodes, Weldon Part Number 6060-1000-00, produced between April 21, 2022, and April 29, 2022. In the affected products, Weldon installed a termination resistor on the circuit board. In this configuration and when combined with external resistors located in a harness or with multiple nodes that do not have external resistors, CAN communication may become compromised which can impact any of the electrical loads that are connected to the CAN, including vehicle lighting, potentially increasing the risk of a crash. Since V-MUX systems are configured to match user needs, some installations may not present an issue at initial acceptance test, but nevertheless should be remedied. You are receiving this notice because Braun records indicate you have received shipments of affected units. Braun will remedy the affected units free of charge by replacing them with Hercules HC 1.6 that has the same functionality as the Hercules 1.5 but does not include the internal terminator resistor. Replacement Hercules HC 1.6 I/O Nodes are available as of May 15th, 2022. Replacement is done by removing the affected Hercules HC 1.5 I/O Nodes and installing Hercules HC 1.6 I/O Nodes. Replacement labor for each node replacement is 15 minutes per node. Nodes will require OEM programming which can be done by USB thumb drive. Affected Part Replacement Part Hercules HC 1.5 Hercules HC 1.6 Part Number 6060-1000-00 Part Number 6060-1010-00 Please contact Braun Industries to arrange replacement of the affected Hercules HC 1.5 I/O Node(s) in your vehicle(s). The Braun Service contact information is as follows: Phone: 877-344-9990 6:00 a.m. – 4:30 p.m. EDT, Email: [email protected] It is a violation of Federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by the notification under a sale or lease until the defect or noncompliance is remedied. If Braun Industries is unable to arrange service as described above without charge within a 60 day period upon contacting Braun Industries, 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. 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 continue to work with Weldon and make every effort to make this as simple as possible on both our Dealers and our Customers. Sincerely, Kim Braun President – U.S. Division

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-370 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Braun Ambulances Submission Date : MAY 24, 2022 NHTSA Recall No. : 22V-370 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Braun Ambulances Address : 1170 Production Drive Van Wert OH 45891 Company phone : 4192327020 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 Braun Ambulances Express Plus Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only two Braun Ambulances MY2020 Express Plus on a Ford MY2022 F450 chassis with a diesel engine. Production Dates : APR 21, 2022 – APR 21, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2020 Braun Ambulances TLC Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2020 TLC on a Navistar MY2022 MV607 chassis with a diesel engine. Production Dates : APR 29, 2022 – APR 29, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-370 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2021 Braun Ambulances Chief XL Type I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2021 Chief XL Type I on a Dodge MY2022 R5500 chassis with a diesel engine. Production Dates : APR 22, 2022 – APR 22, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : In the affected products, the Node contains a termination resistor installed on the node circuit board instead of the termination resistor being installed only within the electrical harness. If the vehicle network design has not accounted for this additional resistor, it may reduce the bus resistance below the defined tolerance levels and may lead to a loss of data on the CAN network. Installations with multiple nodes are more likely to experience the condition FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the bus resistence is reduced, the CAN network connection could faill which may interrupt the transfer of data on this connection. If the CAN network connection is interrupted or fails and depending on how the vehicle’s electrical systems are designed, it may impact the operation of various electrical loads controlled by the Node, including vehicle lighting, which may increase the risk of a crash Description of the Cause : Due to a bill of material error, a resistor installed on the printed circuit board was inadvertently included by the manufacturer Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : V-mux Hercules HC Node 1.5 Component Description : High-Content Node Component Part Number : Weldon P/N:6060-1000-00 (Braun P/N: 28735) Part 573 Safety Recall Report 22V-370 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive Columbus Ohio 43228 Country : United States Chronology : Weldon, the manufacturer of the defective component, verbally notified Braun Industries of the upcoming recall on 5/9/22. Braun received recall notices from Wheldon for the 22E-037 recall on 5/17/22. Description of Remedy : Description of Remedy Program : Braun Industries will contact affected customers and their dealer in to inform them of the subject components. Braun Industries and/or their dealer will arrange for the affected Weldon Hercules HC 1.5 I/O nodes to be removed from the customer vehicle/s. Replacement nodes will be installed in the customers vehicle/s. Dealers who conduct the removal and replacement of the nodes will contact Braun Industries Service for reimbursement upon completion of work. How Remedy Component Differs from Recalled Component : The remedy component will have the additional termination resistor removed from the circuit board. Identify How/When Recall Condition was Corrected in Production : Vehicles with the affected node have had those nodes replaced starting on 5/11/22. Remedy of production vehicles at Braun’s location is still in process. Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : MAY 25, 2022 – JUN 01, 2022 Planned Owner Notification Date : MAY 31, 2022 – JUN 07, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-370 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Braun Ambulances Submission Date : JUN 30, 2022 NHTSA Recall No. : 22V-370 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Braun Ambulances Address : 1170 Production Drive Van Wert OH 45891 Company phone : 4192327020 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 Braun Ambulances TLC Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2020 TLC on a Navistar MY2022 MV607 chassis with a diesel engine. Production Dates : APR 29, 2022 – APR 29, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2020 Braun Ambulances Express Plus Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only two Braun Ambulances MY2020 Express Plus on a Ford MY2022 F450 chassis with a diesel engine. Production Dates : APR 21, 2022 – APR 21, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-370 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2021 Braun Ambulances Chief XL Type I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2021 Chief XL Type I on a Dodge MY2022 R5500 chassis with a diesel engine. Production Dates : APR 22, 2022 – APR 22, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : In the affected products, the Node contains a termination resistor installed on the node circuit board instead of the termination resistor being installed only within the electrical harness. If the vehicle network design has not accounted for this additional resistor, it may reduce the bus resistance below the defined tolerance levels and may lead to a loss of data on the CAN network. Installations with multiple nodes are more likely to experience the condition FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the bus resistence is reduced, the CAN network connection could faill which may interrupt the transfer of data on this connection. If the CAN network connection is interrupted or fails and depending on how the vehicle’s electrical systems are designed, it may impact the operation of various electrical loads controlled by the Node, including vehicle lighting, which may increase the risk of a crash Description of the Cause : Due to a bill of material error, a resistor installed on the printed circuit board was inadvertently included by the manufacturer Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : V-mux Hercules HC Node 1.5 Component Description : High-Content Node Component Part Number : Weldon P/N:6060-1000-00 (Braun P/N: 28735) Part 573 Safety Recall Report 22V-370 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive Columbus Ohio 43228 Country : United States Chronology : Weldon, the manufacturer of the defective component, verbally notified Braun Industries of the upcoming recall on 5/9/22. Braun received recall notices from Wheldon for the 22E-037 recall on 5/17/22. Description of Remedy : Description of Remedy Program : Braun Industries will contact affected customers and their dealer in to inform them of the subject components. Braun Industries and/or their dealer will arrange for the affected Weldon Hercules HC 1.5 I/O nodes to be removed from the customer vehicle/s. Replacement nodes will be installed in the customers vehicle/s. Dealers who conduct the removal and replacement of the nodes will contact Braun Industries Service for reimbursement upon completion of work. How Remedy Component Differs from Recalled Component : The remedy component will have the additional termination resistor removed from the circuit board. Identify How/When Recall Condition was Corrected in Production : Vehicles with the affected node have had those nodes replaced starting on 5/11/22. Remedy of production vehicles at Braun’s location is still in process. Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : MAY 25, 2022 – JUN 01, 2022 Planned Owner Notification Date : MAY 31, 2022 – JUN 24, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-370 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Braun Ambulances Submission Date : SEP 06, 2022 NHTSA Recall No. : 22V-370 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Braun Ambulances Address : 1170 Production Drive Van Wert OH 45891 Company phone : 4192327020 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 Braun Ambulances TLC Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2020 TLC on a Navistar MY2022 MV607 chassis with a diesel engine. Production Dates : APR 29, 2022 – APR 29, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2020 Braun Ambulances Express Plus Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only two Braun Ambulances MY2020 Express Plus on a Ford MY2022 F450 chassis with a diesel engine. Production Dates : APR 21, 2022 – APR 21, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-370 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2021 Braun Ambulances Chief XL Type I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2021 Chief XL Type I on a Dodge MY2022 R5500 chassis with a diesel engine. Production Dates : APR 22, 2022 – APR 22, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : In the affected products, the Node contains a termination resistor installed on the node circuit board instead of the termination resistor being installed only within the electrical harness. If the vehicle network design has not accounted for this additional resistor, it may reduce the bus resistance below the defined tolerance levels and may lead to a loss of data on the CAN network. Installations with multiple nodes are more likely to experience the condition FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the bus resistence is reduced, the CAN network connection could faill which may interrupt the transfer of data on this connection. If the CAN network connection is interrupted or fails and depending on how the vehicle’s electrical systems are designed, it may impact the operation of various electrical loads controlled by the Node, including vehicle lighting, which may increase the risk of a crash Description of the Cause : Due to a bill of material error, a resistor installed on the printed circuit board was inadvertently included by the manufacturer Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : V-mux Hercules HC Node 1.5 Component Description : High-Content Node Component Part Number : Weldon P/N:6060-1000-00 (Braun P/N: 28735) Part 573 Safety Recall Report 22V-370 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive Columbus Ohio 43228 Country : United States Chronology : Weldon, the manufacturer of the defective component, verbally notified Braun Industries of the upcoming recall on 5/9/22. Braun received recall notices from Wheldon for the 22E-037 recall on 5/17/22, decision for Braun recall on 5/20/22. Claims were received between 7/6/22 and 7/25/22. All 4 units covered under the recall were completed by 8/2/22. Description of Remedy : Description of Remedy Program : Braun Industries will contact affected customers and their dealer in to inform them of the subject components. Braun Industries and/or their dealer will arrange for the affected Weldon Hercules HC 1.5 I/O nodes to be removed from the customer vehicle/s. Replacement nodes will be installed in the customers vehicle/s. Dealers who conduct the removal and replacement of the nodes will contact Braun Industries Service for reimbursement upon completion of work. How Remedy Component Differs from Recalled Component : The remedy component will have the additional termination resistor removed from the circuit board. Identify How/When Recall Condition was Corrected in Production : Vehicles with the affected node have had those nodes replaced starting on 5/11/22. Remedy of production vehicles at Braun’s location is still in process. Recall Schedule : Description of Recall Schedule : Recall Dealer Notifications will be sent between 5/25/22 and 6/1/22. Owner Notification Letters will be mailed first class between 5/31/22 and 6/24/22. Planned Dealer Notification Date : MAY 25, 2022 – JUN 01, 2022 Planned Owner Notification Date : MAY 31, 2022 – JUN 24, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-370 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Braun Ambulances Submission Date : JUN 30, 2022 NHTSA Recall No. : 22V-370 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Braun Ambulances Address : 1170 Production Drive Van Wert OH 45891 Company phone : 4192327020 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 Braun Ambulances TLC Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2020 TLC on a Navistar MY2022 MV607 chassis with a diesel engine. Production Dates : APR 29, 2022 – APR 29, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2020 Braun Ambulances Express Plus Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only two Braun Ambulances MY2020 Express Plus on a Ford MY2022 F450 chassis with a diesel engine. Production Dates : APR 21, 2022 – APR 21, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-370 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2021 Braun Ambulances Chief XL Type I Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall population is determined by the vehicles that have the affected Hercules HC 1.5 I/O nodes per the supplied serial numbers from Weldon. Vehicles not affected by this recall do not contain the internal terminator resistor. Only one Braun Ambulances MY2021 Chief XL Type I on a Dodge MY2022 R5500 chassis with a diesel engine. Production Dates : APR 22, 2022 – APR 22, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : In the affected products, the Node contains a termination resistor installed on the node circuit board instead of the termination resistor being installed only within the electrical harness. If the vehicle network design has not accounted for this additional resistor, it may reduce the bus resistance below the defined tolerance levels and may lead to a loss of data on the CAN network. Installations with multiple nodes are more likely to experience the condition FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the bus resistence is reduced, the CAN network connection could faill which may interrupt the transfer of data on this connection. If the CAN network connection is interrupted or fails and depending on how the vehicle’s electrical systems are designed, it may impact the operation of various electrical loads controlled by the Node, including vehicle lighting, which may increase the risk of a crash Description of the Cause : Due to a bill of material error, a resistor installed on the printed circuit board was inadvertently included by the manufacturer Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : V-mux Hercules HC Node 1.5 Component Description : High-Content Node Component Part Number : Weldon P/N:6060-1000-00 (Braun P/N: 28735) Part 573 Safety Recall Report 22V-370 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Supplier Identification : Component Manufacturer Name : Weldon Division of Akron Brass Address : 3656 Paragon Drive Columbus Ohio 43228 Country : United States Chronology : Weldon, the manufacturer of the defective component, verbally notified Braun Industries of the upcoming recall on 5/9/22. Braun received recall notices from Wheldon for the 22E-037 recall on 5/17/22. Description of Remedy : Description of Remedy Program : Braun Industries will contact affected customers and their dealer in to inform them of the subject components. Braun Industries and/or their dealer will arrange for the affected Weldon Hercules HC 1.5 I/O nodes to be removed from the customer vehicle/s. Replacement nodes will be installed in the customers vehicle/s. Dealers who conduct the removal and replacement of the nodes will contact Braun Industries Service for reimbursement upon completion of work. How Remedy Component Differs from Recalled Component : The remedy component will have the additional termination resistor removed from the circuit board. Identify How/When Recall Condition was Corrected in Production : Vehicles with the affected node have had those nodes replaced starting on 5/11/22. Remedy of production vehicles at Braun’s location is still in process. Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : MAY 25, 2022 – JUN 01, 2022 Planned Owner Notification Date : MAY 31, 2022 – JUN 24, 2022 * NR – Not Reported

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