RVXX2308 – Battery May Short Circuit and Cause Fire – 2020-2024 Volvo VNR Electric

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Volvo Trucks Uptime Page 1 of 1 © 2023 Volvo Group North America, LLC. CONFIDENTIAL – For limited distribution only to circulation list above. This bulletin, and any information herein, is subject to change by Company without notice. For the most current and accurate information, always refer to Trucks Dealer Portal for the electronic version of this document.. Recall Alerts Description of Defect: On certain VNRE model vehicles the rivnut inserts on the batteries may have been over tightened and could fail. The nut inserts can then become debris in the battery which could result in a short inside the battery pack. The over tightening of the busbar rivnuts could result in nut inserts shearing off and shorting inside the battery which could result in a battery fire. There have been no warranty claims, field reports, accidents or injuries reported with this issue. The repair will be the replacement of the batteries. Models/ Model Years Affected: Certain 2020 to 2024 Volvo VNR Electric model vehicles manufactured from April 01, 2019 through February 10, 2023. Vehicle Quantities: 173 (172 US, 1 Canada) Dealer’s Responsibility: The National Traffic and Motor Vehicle Safety Act and Canadian Motor Vehicle Safety Act requires dealers to ensure that all new and used vehicles are free of safety defects and comply with all relevant safety standards at the time of delivery to the consumer. Dealers should make their personnel aware of the safety recall. In the event that a dealer has a vehicle included in the safety recall in their inventory to be sold, the condition must be corrected before releasing it to a customer. Release Schedule: • Vehicle list will be posted on the Trucks Dealer Portal July 28, 2023. • Owner notification letters will be released on or before September 15, 2023. • Repair Instruction will be released once they are available. If you have questions or concerns about this recall, contact the Regulatory Affairs Department at vtna.regulatoryaffairs@volvo.com. To: Dealer Principals Service Managers Warranty Managers Parts Managers Region: ☒U.S. ☒CAN Bulletin: SRA-V23-08 Date: July 25, 2023 Valid to: N/A Action Required? ☒Yes ☐No From: Gerard Hones, Product Regulation Specialist Subject: Safety Recall RVXX2308, Akasol Bus Bar – rev1

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Volvo Trucks Uptime Page 1 of 1 © 2023 Volvo Group North America, LLC. CONFIDENTIAL – For limited distribution only to circulation list above. This bulletin, and any information herein, is subject to change by Company without notice. For the most current and accurate information, always refer to Trucks Dealer Portal for the electronic version of this document.. Recall Alerts Description of Defect: On certain VNRE model vehicles the rivnut inserts on the batteries may have been over tightened and could fail. The nut inserts can then become debris in the battery which could result in a short inside the battery pack. There have been no warranty claims, field reports, accidents or injuries reported with this issue. The over tightening of the busbar rivnuts could result in nut inserts shearing off and shorting inside the battery which could result in a battery fire. Models/ Model Years Affected: Certain 2020 to 2024 Volvo VNR Electric model vehicles manufactured from April 01, 2019 through February 10, 2023. Vehicle Quantities: 173 (172 US, 1 Canada) Dealer’s Responsibility: The National Traffic and Motor Vehicle Safety Act and Canadian Motor Vehicle Safety Act requires dealers to ensure that all new and used vehicles are free of safety defects and comply with all relevant safety standards at the time of delivery to the consumer. Dealers should make their personnel aware of the safety recall. In the event that a dealer has a vehicle included in the safety recall in their inventory to be sold, the condition must be corrected before releasing it to a customer. Release Schedule: • Vehicle list will be posted on the Trucks Dealer Portal July 28, 2023. • Owner notification letters will be released on or before September 15, 2023. • Repair Instruction will be released once they are available. If you have questions or concerns about this recall, contact the Regulatory Affairs Department at vtna.regulatoryaffairs@volvo.com. To: Dealer Principals Service Managers Warranty Managers Parts Managers Region: ☒U.S. ☒CAN Bulletin: SRA-V23-08 Date: July 25, 2023 Valid to: N/A Action Required? ☒Yes ☐No From: Gerard Hones, Product Regulation Specialist Subject: Safety Recall RVXX2308, Akasol Bus Bar

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-512 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Volvo Trucks North America Submission Date : JUL 24, 2023 NHTSA Recall No. : 23V-512 Manufacturer Recall No. : RVXX2308 Manufacturer Information : Manufacturer Name : Volvo Trucks North America Address : 7900 National Service Road Greensboro NC 27409 Company phone : 800 528 6586 Population : Number of potentially involved : 172 Estimated percentage with defect : 15 % Vehicle Information : Vehicle 1 : 2020-2024 Volvo VNR Electric Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : HYBRID ELECTRIC Descriptive Information : The population of vehicles is those equipped with Akasol batteries which were assembled and/or reworked with improper torque control on the buss bars connecting battery cells. Production Dates : APR 01, 2019 – FEB 10, 2023 VIN Range 1 : Begin : 4V5W19DF0LN252154 End : 4V4WB9KN4RN623109 ✔ Not sequential Description of Defect : Description of the Defect : Rivnut inserts are potentially overtorqued and could fail. The nut inserts can then become debris in the battery which could result in a short inside the battery pack. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The overtorque of the busbar Rivnuts could result in nut inserts shearing off and shorting inside the battery which could result in a battery fire. Description of the Cause : Akasol manufacturing insufficient process controls in assembly tooling (torque) and in battery assembly rework process. Identification of Any Warning that can Occur : The vehicle battery thermal management system will provide warning to the driver of a battery overheating situation by the instrument cluster, driver information display. Involved Components : Part 573 Safety Recall Report 23V-512 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Battery Component Description : Battery, complete battery pack Component Part Number : 23364826 Supplier Identification : Component Manufacturer Name : Akasol Inc. Address : 1400 E. 10 Mile Road Suite 15 Hazel Park Michigan 48030 Country : United States Chronology : July 5, 2023 Volvo Manufacturing and Purchasing reports to Product Safety Working group that they have discovered a battery which had been shipped to our assembly plant had a fire (contained in the battery and not spreading in the battery). A formal investigation is opened. July 19 , 2023 Product Safety Working Group reviews product safety investigation results and recommends that this be brought to Product Safety Committee as a potential product safety defect. July 19, 2023 The Product Safety Committee meets and decides that a product safety defect exists. July 24, 2023 573 Report filed with NHTSA There have been no warranty claims, field reports, accidents or injuries reported with this issue. The incident battery which initiated the investigation involved one battery which was on a trailer in shipment to our assembly operations. The battery was the only one found damaged with no spread of damage to the other batteries in the shipment, or to the trailer. During the investigation a second battery with evidence of arcing internally was identified at Akasol’s assembly operations. Description of Remedy : Description of Remedy Program : The batteries on these vehicles will be replaced. Reimbursement for the recall will be covered by Manufacturer’s Reimbursement Plan on file with NHTSA. How Remedy Component Differs from Recalled Component : The batteries will be replaced with batteries produced after correction of the torque (torque and angle) issues at Akasol Inc. Battery, complete battery pack, 23364826 Identify How/When Recall Condition was Corrected in Production : Volvo manufacturing blocks all battery electric trucks at our assembly plant under an internal campaign July 12, 2023. All batteries on these vehicles will be replaced prior to shipment. Part 573 Safety Recall Report 23V-512 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Recall Schedule : Description of Recall Schedule : Dealer notification will begin on July 28, 2023 and owner notification will begin on or before September 15, 2023 Planned Dealer Notification Date : JUL 28, 2023 – JUL 28, 2023 Planned Owner Notification Date : SEP 15, 2023 – SEP 15, 2023 * NR – Not Reported

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