SC0442 High Voltage Battery Pack May Short Circuit – 2023 Mack LR Battery Electric

SEOCONTENT-START

MACK TRUCKS RECALL ALERT © Mack Trucks, Inc. 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. Description Coolant Lines in battery pack may not be properly assembled and could result in the loss of coolant and a short in a battery cell. With a short in the battery cell there is a risk of a battery fire and subsequent vehicle fire. There have been no warranty claims, field reports, accidents or injuries reported with this issue. Akasol will inspect all Generation 3 batteries produced by their Hazel Park, Michigan factory and installed on Mack vehicles. If any manufacturing discrepancies are identified the batteries will be removed and replaced. Model and Model Years Affected • Certain 2023 Mack LR Electric vehicles manufactured November 25, 2022 through December 14, 2022. Vehicle Quantities • 2 vehicles, all US. Dealer Responsibilities • The National Traffic and Motor Vehicle Safety Act and Canadian Motor Vehicle Safety Act require 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. Notification Release Schedule • Vehicle list will be posted on the Trucks Dealer Portal April 24, 2023. • Owner notification letters will be released on or before June 16, 2023. • Repair Instruction will be released once they are available. Contact If you have questions or concerns about this recall, contact the Regulatory Affairs Department at vtna.regulatoryaffairs@volvo.com. Subject: Safety Recall SC0442, Akasol Batteries Recall Number: SRA-M442 Date: April 24, 2023 Applicable Markets: ☒U.S. ☐Canada ☐ Export

**************************************************************************************************************

OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-281 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mack Trucks, Inc. Submission Date : APR 19, 2023 NHTSA Recall No. : 23V-281 Manufacturer Recall No. : SC0442 Manufacturer Information : Manufacturer Name : Mack Trucks, Inc. Address : 2100 Mack Boulevard PO Box M Allentown PA 18105-5000 Company phone : 610-709-2131 Population : Number of potentially involved : 2 Estimated percentage with defect : 12 % Vehicle Information : Vehicle 1 : 2023-2023 Mack LR Battery Electric Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : HYBRID ELECTRIC Descriptive Information : The population of vehicles is battery electric vehicles equipped with Akasol Generation 3 batteries produced by their Hazel Park Michigan Plant. Production Dates : NOV 25, 2022 – DEC 14, 2022 VIN Range 1 : Begin : 1M2LRDGC9PM001060 End : 1M2LRDGC4PM001077 ✔ Not sequential Description of Defect : Description of the Defect : Coolant Lines in battery pack may not be properly assembled and could result in the loss of coolant and a short in a battery cell. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : With a short in the battery cell there is a risk of a battery fire and subsequent vehicle fire. Description of the Cause : Manufacturing defect(s) in the assembly of the battery packs due to inadequate process controls and detection of those defects. Identification of Any Warning that can Occur : There are no warnings associated with this issue Involved Components : Part 573 Safety Recall Report 23V-281 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 : April 5, 2023 during product reviews of Akasol’s batteries at our manufacturing facilities and Akasol’s facilities, discrepancies related to battery assembly were detected and this information is brought to the Product Safety Working Group and a safety investigation is opened. April 12, 2023 Product Safety Working Group meets and reviews findings from our factory and Akasol’s battery assembly operations and makes recommendation that this be raised to the product safety committee as potential product safety defect. April 14, 2023 Product Safety Committee meets and determines a safety defect exists. April 19, 2023 573 Report Filed with NHTSA. There have been no warranty claims, field reports, accidents or injuries reported with this issue. Description of Remedy : Description of Remedy Program : Akasol will inspect all Generation 3 batteries produced by their Hazel Park facility on our vehicles. If any manufacturing discrepancies are identified the batteries will be removed and replaced with batteries which do not have any discrepancies How Remedy Component Differs from Recalled Component : Akasol Gen 3 batteries which have undergone additional screening and inspection by Akasol employees either in the field or at Akasol’s assembly plant in Hazel Park Michigan. Part 573 Safety Recall Report 23V-281 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : Currently these vehicles under our control in production are under a stop shipment pending correction. Recall Schedule : Description of Recall Schedule : Dealer notification will begin on April 24, 2023 and owner notification begin on June 16, 2023 Planned Dealer Notification Date : APR 24, 2023 – APR 24, 2023 Planned Owner Notification Date : JUN 16, 2023 – JUN 16, 2023 * NR – Not Reported

**************************************************************************************************************

SC0442_OWNER_LTR May 2023 This Notice applies to your vehicle, see enclosed “Notice of Vehicle Recall” DEAR MACK TRUCK OWNER: This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Mack Trucks, Inc. has decided that a defect which relates to motor vehicle safety exists in certain 2023 Mack LR Electric vehicles manufactured November 25, 2022 through December 14, 2022. SAFETY DEFECT: Coolant Lines in battery pack may not be properly assembled and could result in the loss of coolant and a short in a battery cell. SAFETY RISK: With a short in the battery cell there is a risk of a battery fire and subsequent vehicle fire. PRECAUTIONS YOU CAN TAKE: TIME REQUIRED FOR THE REPAIR: There are no precautions you can take other than having your vehicle repaired by a Mack Parts and Service Center. The time required to inspect and/or repair your vehicle is approximately 8 hour. Akasol will inspect all Generation 3 batteries produced by their Hazel Park, Michigan factory and installed on Volvo vehicles. If any manufacturing discrepancies are identified the batteries will be removed and replaced. Recall repairs will be provided free of charge to you. WHAT YOU SHOULD DO: You should contact the nearest Mack Parts and Service Center and make an appointment. You can locate the closest Mack Parts and Service Center by going on line to http://www.macktrucks.com/ and selecting “Dealer & Service Locations” or by calling our toll-free number: 1-800-866-1177. IMPORTANT SAFETY RECALL SC0442 NHTSA RECALL # 23V-281 NOTICE REGARDING LEASED VEHICLES: If you are a Lessor of vehicles subject to this Notice, you have an obligation under Federal Law to provide a copy of this Notice to all Lessees within 10 days of your receipt of this Notice. Further, you must maintain a record, which identifies the Lessee(s) to whom you send a copy of this letter, the date you send this letter, and the Vehicle Identification Number(s) of the vehicle(s) that you have leased to that lessee. For purposes of this Notice, the term Lessor means: a person or entity that is the owner, as reflected on the vehicle’s title, of any five or more leased vehicles (as defined in CFR Section 577.4), as of the date of notification by the manufacturer of the existence of a safety-related defect or non-compliance with a Federal Motor Vehicle Safety Standard in one or more of the leased motor vehicles. OWNER RECALL RESPONSE CARD: The enclosed “Notice of Vehicle Recall” identifies your vehicle. If you no longer own the vehicle, please help us update our records by completing the “Vehicle Disposition Record” portion of the enclosed postage-free Notice of Mandatory Safety Campaign card and mailing it back to us. ASSISTANCE/ COMPLAINTS: PRE NOTIFICATION REMEDIES: If your vehicle has not been repaired within a reasonable time after delivering it to a Mack Parts and Service Center, please contact: Mack Trucks, Inc. Regulatory Affairs Department, P.O. Box 26115 Greensboro, NC 27402-6115 vtna.regulatoryaffairs@volvo.com You may also submit complaints to the Administrator of the National Highway Traffic Safety Administration (1200 New Jersey Avenue, S.E., Washington DC 20590 or call the toll-free Auto Safety Hot Line at 1-888-327-4236 (TTY: 1-800-424-9153), or go to http://www.safercar.gov if you believe that Mack has failed to remedy the defect without charge, or has failed to remedy the vehicle within 60 days of the owners first tender to obtain repair following the earliest time that parts are available. If you have previously paid for repairs as a result of this issue, you may be entitled to recovery of those expenses. Submit copies of all documentation supporting your claim according to the rules specified in the “General Plan for Reimbursement of Pre-notification Remedies” provided in this mailing. We regret any inconvenience this may cause to your operation, but hope you will appreciate our sincere efforts to demonstrate Mack’s commitment to provide our customers with the best possible product. MACK TRUCKS, INC.

**************************************************************************************************************

OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-281 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mack Trucks, Inc. Submission Date : MAY 09, 2023 NHTSA Recall No. : 23V-281 Manufacturer Recall No. : SC0442 Manufacturer Information : Manufacturer Name : Mack Trucks, Inc. Address : 2100 Mack Boulevard PO Box M Allentown PA 18105-5000 Company phone : 610-709-2131 Population : Number of potentially involved : 4 Estimated percentage with defect : 12 % Vehicle Information : Vehicle 1 : 2022-2023 Mack LR Battery Electric Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : HYBRID ELECTRIC Descriptive Information : The population of vehicles is battery electric vehicles equipped with Akasol Generation 3 batteries produced by their Hazel Park Michigan Plant. Production Dates : MAY 13, 2021 – DEC 14, 2022 VIN Range 1 : Begin : 1M2LRDGC9PM001060 End : 1M2LRDGC4PM001077 ✔ Not sequential Description of Defect : Description of the Defect : Coolant Lines in battery pack may not be properly assembled and could result in the loss of coolant and a short in a battery cell. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : With a short in the battery cell there is a risk of a battery fire and subsequent vehicle fire. Description of the Cause : Manufacturing defect(s) in the assembly of the battery packs due to inadequate process controls and detection of those defects. Identification of Any Warning that can Occur : There are no warnings associated with this issue Involved Components : Part 573 Safety Recall Report 23V-281 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 : April 5, 2023 during product reviews of Akasol’s batteries at our manufacturing facilities and Akasol’s facilities, discrepancies related to battery assembly were detected and this information is brought to the Product Safety Working Group and a safety investigation is opened. April 12, 2023 Product Safety Working Group meets and reviews findings from our factory and Akasol’s battery assembly operations and makes recommendation that this be raised to the product safety committee as potential product safety defect. April 14, 2023 Product Safety Committee meets and determines a safety defect exists. April 19, 2023 573 Report Filed with NHTSA. There have been no warranty claims, field reports, accidents or injuries reported with this issue. Description of Remedy : Description of Remedy Program : Akasol will inspect all Generation 3 batteries produced by their Hazel Park facility on our vehicles. If any manufacturing discrepancies are identified the batteries will be removed and replaced with batteries which do not have any discrepancies How Remedy Component Differs from Recalled Component : Akasol Gen 3 batteries which have undergone additional screening and inspection by Akasol employees either in the field or at Akasol’s assembly plant in Hazel Park Michigan. Part 573 Safety Recall Report 23V-281 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : Currently these vehicles under our control in production are under a stop shipment pending correction. Recall Schedule : Description of Recall Schedule : Dealer notification will begin on April 24, 2023 and owner notification begin on June 16, 2023 Planned Dealer Notification Date : APR 24, 2023 – APR 24, 2023 Planned Owner Notification Date : JUN 16, 2023 – JUN 16, 2023 * NR – Not Reported

**************************************************************************************************************

**************************************************************************************************************

**************************************************************************************************************

SEOCONTENT-END