22522 High Voltage Cables Labeled Incorrectly – 2021-2023 International MV

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Navistar, Inc. 2701 Navistar Drive Lisle, IL 60532 USA navistar.com IMPORTANT SAFETY RECALL 22522 INTERIM NOTICE NHTSA RECALL NO. 22V-849 This notice applies to your vehicle identified on the enclosed card. Dear INTERNATIONAL e Customer, This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Navistar has decided that a defect which relates to motor vehicle safety exists in certain 2021 thru 2023 eMV series trucks built 12/08/2020 thru 10/14/2022 with feature codes 0008TLC (210 kWh Total Battery Capacity) or 0008TLD (315 kWh Total Battery Capacity). REASON FOR THIS RECALL The high voltage positive cables from the battery packs to the Manual Service Disconnects (MSDs) may have incorrect identification marking tape that indicates a lower level 2 isolation (MSD removal) instead of indicating a level 3 isolation (battery fuse removal). RISK TO MOTOR VEHICLE SAFETY An incorrectly identified cable may indicate to a first responder, technician, or customer that the cable is deenergized, when it may not be, possibly increasing the risk of electrical shock resulting in personal injury or death. DEFECT REMEDY A final remedy has been determined. Parts have been ordered and will be available in late-January. When parts become available, you will be notified of additional actions you should take. ACTIONS YOU SHOULD TAKE To minimize the potential risk of this defect in the interim period, please assume all high voltage cables, regardless of identification marking tape colors, can only be deenergized by performing a level 3 isolation (battery fuse removal). (R!AJ&O~~CID JAN I 3 2023 . By: ff!~l~.l.’.tf~,q, .. A NAVISTAR COMPANY JANUARY 2023 If you are the lessor of this vehicle, please forward a copy of this notice to the lessee within ten days to comply with federal regulations. IF YOU NEED FURTHER ASSISTANCE Refer to the Owner Assistance Guide section in your Owner’s Manual or call toll free 1-800-448-7825. Navistar requests your prompt attention and patience regarding the correction of this defect and apologizes for any inconvenience this may cause you. Navistar, Inc.

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SERVICE PROCEDURE SUBJECT: @~ O®O@ MAR 15 2023 Compliance Dept SAFETY RECALL 22522 March, 2023 High-Voltage positive cables on certain 2021 through 2023 International® eMV™ Series trucks built 12/08/2020 through 10/14/2022 with feature codes 0008TLC (210 kWh Total Battery Capacity) or 0008TLD (315 kWh Total Battery Capacity) CUSTOMER LETTER Print ready (PDF file) copy of the Customer Letter DEFECT DESCRIPTION The high-voltage positive cables from the battery packs to the Manual Service Disconnects (MSDs) may have incorrect identification marking tape that indicates a lower level 2 isolation (MSD removal) instead of indicating a level 3 isolation (battery fuse removal). An incorrectly identified cable may indicate to a first responder, technician, or customer that the cable is de-energized, when it may not be, possibly increasing the risk of electrical shock resulting in personal injury or death. MODELS INVOLVED This safety recall involves certain 2021 through 2023 International® eMV™ Series trucks built 12/08/2020 through 10/14/2022 with feature codes 0008TLC (210 kWh Total Battery Capacity) or 0008TLD (315 kWh Total Battery Capacity). ELIGIBILITY This procedure applies ONLY to vehicles marked in the International® Service Portal5M with safety recall 22522. Also complete any other open campaigns listed on the Service Portal at this time. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 1 TOOLS REQUIRED Description Tool Number Lift Assembly 08-529-01 Plastic Bag Source Locallv Plastic Blade (Boxcutter, Pick) Source Locally PARTS INFORMATION Part Number Part Description Quantity 4309053C1 Tape, High-Voltaoe Wrap White 1 4309732C1 Label, High-Voltage Black 3 Per Cable 306132C1 Strap, Cable Lock As Needed SERVICE PROCEDURE WARNING! To prevent personal mJury and / or death, or damage to property, NEVER service a high-voltage vehicle without completing highvoltage safety training. Before working on vehicle, read and obey HighVoltage Safety, and Lock-Out Tag-Out safety procedures and information. WARNING! To prevent personal injury and / or death, wear and use approved high-voltage Personal Protective Equipment (PPE) when near a high-voltage electric vehicle. Inspect PPE before use. Do not use gloves or other PPE with expired dates, holes, cracks, or damage. NEVER touch energized orange high voltage cables or high-voltage components without wearing approved high voltage PPE. WARNING! To prevent personal injury and I or death, or damage to property, park vehicle on hard flat surface, key OFF, set the parking brake, and install wheel chocks to prevent the vehicle from moving in both directions. WARNING! To prevent personal injury and / or death, or damage to property, ALWAYS follow existing cable-routing for all replacement cables. Kit-supplied replacement cables are designed to be installed with no slack present. NEVER deviate from existing routing when replacing a highvoltage cable. WARNING! To prevent personal injury and / or death, always wear safe eye protection when performing vehicle maintenance. VEHICLE RECALL 22522 C 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 2 WARNING! To prevent personal injury and / or death, or damage to property, keep flames or sparks away from vehicle and do not smoke while servicing the vehicle’s batteries. Batteries expel explosive gases. WARNING! To prevent personal injury and / or death, or damage to property, if the vehicle must be raised, do not work under the vehicle supported only by jacks. Jacks can slip or fall over. WARNING! To prevent personal injury and/ or death, read all information in the Safety Information and High-Voltage Safety sections of the service manual. 1. Bring vehicle into shop area and park vehicle on a dry level surface. 2. Set drive mode selector to Neutral, turn ignition to Key OFF position, and set parking brake. 3. Install wheel chocks. NOTE: This procedure is also required if the vehicle is equipped with a three-string system, as high-voltage positive battery to MSD cables are also affected. 4. Turn off 12V and high-voltage disconnect switches and perform lock out / tag out procedure. 5. Lift vehicle. 6. Perform High-Voltage Isolation Level 3. Refer to technician manual for detailed instructions. NOTE: If the vehicle is equipped with a three-string system, record positive cables connections as well. 7. Record and label high-voltage positive cable connections at high-voltage batteries and at MSD inlet connections. 8. Remove rubber cap covering high-voltage positive cable connection bolt inside of lower high-voltage battery fuse connection port. Place on clean work surface and save for reinstallation. VEHICLE RECALL 22522 @ 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 3 0000477179 Figure 1. Battery Fuse Positive Cable Connection 1. High-voltage positive cable retaining nut 2. High-voltage positive cable end bolt 9. Remove high-voltage positive cable end bolt (Figure 1, Item 2) from lower battery fuse connection port and loosen high-voltage positive cable retaining nut (Figure 1, Item 1) to remove cable. 10. Repeat Steps 8 and 9 for upper positive cable fuse connection. NOTE: If the vehicle you are working on is equipped with a three-string system, repeat Steps 8 and 9 for this positive cable fuse connection. VEHICLE RECALL 22522 e 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 4 1 2 Figure 2. High-Voltage MSD Cables and Connections 1. MSD inlet connector (2) 2. High-voltage positive cable (2) 11. Disconnect high-voltage positive cables (Figure 2, Item 2) from MSD inlet connectors (Figure 2, Item 1) located under front of the vehicle. VEHICLE RECALL 22522 e 2023 Navistar, Inc. All rights reserved. AQ marks are trademarks of their respective owners. 5 0000477186 3 2 0000477180 Figure 3. Three-string High-Voltage MSD and Connections 1. MSD 2. MSD inlet connector 3. High-voltage positive cable CAUTION! To prevent damage to property, store disconnected or removed components on clean surface and properly cover exposed connections. Failure to do so can lead to contamination and damage to component. NOTE: If the vehicle is equipped with a three-string system, refer to Step 12. For two-string systems, proceed to Step 13. 12. If the vehicle is equipped with a three-string system, locate the threestring MSD (Figure 3, Item 1) on the frame rail and disconnect the highvoltage positive cable (Figure 3, Item 3) from the MSD inlet connector (Figure 3, Item 2). 13. Record location of the routing of all high-voltage positive cables. Remove all cable tie straps securing the high-voltage positive cables to their saddles and remove them from the vehicle. 14. Once positive cables have been removed from the vehicle, wrap both ends of each cable in a plastic bag and secure with tape/ rubber band. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 6 CAUTION! To prevent damage to property, utilize only plastic tools (i.e., plastic razor or plastic pick) to remove tape from high-voltage positive cables. Failure to do so can result in damage to the cable. ; 0000477181 Figure 4. Blue Identification Tape and Blue Warning Label 1. Blue warning label 2. High-voltage positive cable 3. Blue identification tape 15. Using a plastic blade, remove the BLUE identification tape (Figure 4, Item 3) and all BLUE high-voltage warning labels (Figure 4, Item 1) from removed high-voltage positive cable (Figure 4, Item 2). CAUTION! To prevent damage to property, NEVER allow soap and water to come into contact with high-voltage cable connector ends. Confirm high-voltage cables are dry before reinstallation. Failure to do so can result in property damage. 16. Clean cables using ONLY mild soap and water and dry with shop air. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 7 0000477182 Figure 5. White Identification Tape 1. White identification tape 2. High-voltage positive cable 0000477183 Figure 6. White Identification Striping 17. Overlap WHITE identification tape (Figure 5, Item 1) three times at one end. Continue to spiral wrap around high-voltage positive cable (Figure 5, Item 2). Conclude wrapping with three overlapping wraps on opposite end. Reference Figure 6 for proper tape pattern. VEHICLE RECALL 22522 C 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 8 ‘ – . ….. I l I ‘.,. I ..-…. ~ tt. 0000477184 Figure 7. Black Warning Label Placement 1. Heat shrink insulation 2. High-voltage positive cable 18. Measure six inches from beginning of heat shrink (Figure 7, Item 1) on both ends of high-voltage positive cable (Figure 7, Item 2) and mark. Mark a center point for the middle label in between both previously marked label locations. 1 0000,: 77185 Figure 8. Black Warning Label Placement 1. Black warning label (3) 19. Install high-voltage black warning labels on marks made during Step 18. Reference Figure 8 for final placement. 20. Repeat Steps 17-19 for remaining high-voltage cable. 21. Remove and discard protective bags from each high-voltage positive cable. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 9 0000477243 Figure 9. Battery Fuse Positive Cable Connection 1. High-voltage positive cable retaining nut 2. High-voltage positive cable end bolt 3. High-voltage positive cable terminal keyway 4. High-voltage positive cable connector seat key CAUTION! To prevent damage to property, confirm high-voltage positive cable terminal keyway aligns with high-voltage positive cable connector seat key. Failure to do so can result in property damage. CAUTION! To prevent damage to property, ensure no dirt / debris is present between high-voltage cable terminal and battery fuse connector seat. Failure to do so can lead to contamination and damage to component. 22. Align high-voltage positive cable terminal keyway (Figure 9, Item 3) with high-voltage positive cable connector seat key (Figure 9, Item 4) and install high-voltage positive cable end into upper battery fuse connection port. 23. Using torque wrench, tighten high-voltage positive cable end bolt (Figure 9, Item 2) to 22 lb-ft (30 N·m). Using torque wrench, tighten high-voltage positive cable retaining nut (Figure 9, Item 1) to 70 lb-in (8 N•m) and confirm no screw thread is exposed. VEHICLE RECALL 22522 C 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 10 1 2 Figure 10. High-Voltage MSD Cables and Connections 1. MSD inlet connectors 2. High-voltage positive cables 24. Connect high-voltage positive cables (Figure 10, Item 2) to respective MSD inlet connectors (Figure 10, Item 1} located under the front of the vehicle. 25. Using prev1iously recorded clipping areas, position high-voltage positive cable to its respective original clipping points as noted in Step 13 and secure with cable-tie wrap. 26. Repeat Steps 22-25 for lower high-voltage positive cable. VEHICLE RECALL 22522 0000-477186 @ 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 11 Figure 11. High-Voltage MSD Cables and Connections 1. MSD 2. MSD inlet connector 3. High-voltage positive cables NOTE: If the vehicle is equipped with a three-string system, refer to Step 27. For two-string systems, proceed to Step 30. 27. Align high-voltage positive cable terminal keyway (Figure 9, Item 3) with high-voltage positive cable connector seat key (Figure 9, Item 4) and install high-voltage positive cable end into third-string battery fuse connection port. 28. Using a torque wrench, tighten high-voltage positive cable end bolt (Figure 9, Item 2) to 22 lb-ft (30 N•m). Using torque wrench, tighten highvoltage positive cable retaining nut (Figure 9, Item 1) to 70 lb-in (8 N·m) and ensure it is screwed in unUI no screw thread is exposed. 29. If the vehicle you are working on is a three-string vehicle, connect the high-voltage positive cable to the MSD inlet connector on the frame rail MSD. 30. If the vehicle you are working on is a three-string vehicle, clip highvoltage positive cable to its respective original clipping points as noted in Step 13. 31. Install removed rubber caps to cover high-voltage positive cable connection bolt inside of upper and lower high-voltage battery fuse connection port. 32. If the vehicle you are working on is equipped with a three-string system, repeat Step 31 for this fuse connection port. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. AU marks are trademarks of their respective owners. 12 33. Install battery fuses for each battery pack, including third battery pack if the vehicle has a three-string system. 34. Install all MSDs, including third battery pack MSD if the vehicle you are working on is a three-string system. 35. Lower vehicle. 36. Turn ON 12V and high-voltage disconnect switches. 37. Remove wheel chocks. END OF SERVICE PROCEDURE LABOR INFORMATION Operation Number Description A40-22522-1 High-voltage Isolation Level 3, Zone 3 A40-22522-2 Replace High-voltage Cable ID tape; 2 String A40-22522-3 Replace High-voltage Cable ID tape, Add-on For 3 String CAMPAIGN IDENTIFICATION LABEL Each vehicle corrected in accordance with this campaign must be marked with a CTS-1075 Campaign Identification Label. Complete the label and attach on a clean surface next to the vehicle identification number (VIN) plate. VEHICLE RECALL 22522 COMPLETED Service Location Coda ‘ Time 1.3 Hrs. 1.0 Hrs. 1.0 Hrs. © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 13 ADMINISTRATIVE / DEALER RESPONSIBILITIES WARRANTY CLAIMS Warranty claim expense is to be charged to Warranty. Claims are to be submitted in the normal manner, making reference to Safety Recall 22522. Section 7 of the Warranty Policy and Procedures Manual contains further information related to the submission and processing of AFC / Recall claims. As with all claim submissions, items acquired locally must be submitted in the “Other Charges” tab. The cost of any bulk items (such as a bag of cable tie straps, roll of wire, barrel of oil, or tube of silicone) should be prorated for the cost of the individual pieces/ amount used during each repair. GROUP GROUP – Enter nu mber NOUN – Leave b lank ~ +– I – C (CAUSE) – Ente r either 1, 2, 3. (See below) 1. Inspected (No repair required). 2. Inspected and repaired. 3. Defective p art from parts stock. – arranty Code) Enter 40. _ I I WARRANTY – (W TYPE PART – En PAD- Enter 1lO ter P for type part causing failure. ~ – UNITED STATES AND POSSESSIONS NOUN C WARR. TP PAD I I I I CXJOOC◄ .. 10 The National Traffic and Motor Vehicle Safety Act, as amended, provides that each vehicle that is subject to a vehicle recall campaign must be adequately repaired within a reasonable time after the owner has tendered it for repair. A failure to adequately repair within 60 days after a tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within 60 days, the owner may be entitled to replacement with an identical or reasonable equivalent vehi,cle at no charge, or to a refund of the purchase price less a reasonable allowance for depreciation. Dealers must correct all vehicles subject to this campaign at no charge to the owner, regardless of mileage, age of vehicle, or ownership, from this time forward. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 14 Dealers should proceed immediately to make necessary correction to units in inventory. All inventory vehicles subject to this recall campaign must be corrected prior to sale, transfer or delivery. If vehicles have been sold or transferred and you are in receipt of Customer Notification Letters and Authorization for Recall Service cards for those vehicles, the transfer location or customer must be notified immediately from your dealer location. Dealers must make every effort to promptly schedule an appointment with each owner to repair his or her vehicle as soon as possible. However, consistent with the customer notification, dealers are expected to complete the repairs on the mutually agreed upon service date. Dealers involved in the recall process will be furnished a listing of owner names and addresses to enable them to follow up with owners and have the vehicles corrected. Use of this listing must be limited to this campaign because the list may contain information obtained from state motor vehicle registration records, and the use of such motor vehicle registration data for purposes other than this campaign is a violation of law in several states. CANADA Dealers must correct all vehicles subject to this campaign at no charge to the owner, regardless of mileage, age of vehicle, or ownership, from this time forward. Dealers should proceed immediately to make necessary correction to units in inventory. All inventory vehicles subject to this recall campaign must be corrected prior to sale, transfer or delivery. If vehicles have been sold or transferred and you are in receipt of Customer Notification Letters and Authorization for Recall Service cards for those vehicles, the transfer location or customer must be notified immediately from your dealer location. Dealers must make every effort to promptly schedule an appointment with each owner to repair his or her vehicle as soon as possible. However, consistent with the customer notification, dealers are expected to complete the repairs on the mutually agreed upon service date. Dealers involved in the recall process will be furnished a listing of owner names and addresses to enable them to follow up with owners and have the vehicles corrected. Use of this listing must be limited to this campaign because the list may contain information obtained from state motor vehicle registration records, and the use of such motor vehicle registration data for purposes other than this campaign is a violation of law in several states. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 15 -<> EXPORT Export Distributors should proceed immediately to make necessary correction to units in inventory. All inventory vehicles subject to this recall campaign must be corrected prior to sale, transfer or delivery. If vehicles have been sold or transferred and you are in receipt of Customer Notification Letters and Authorization for Recall Service cards for those vehicles, the transfer location or customer must be notified immediately from your distributor location. Export Distributors are to submit warranty claims in the usual manner making reference to this recall number. Export Distributors are expected to provide full cooperation and follow-up with respect to this important subject matter. If you have any questions or need further assistance, please contact the Regional Service Manager at your regional office. NAVISTAR, INC. VEHICLE RECALL 22522 © 2023 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 16

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Navistar, Inc. 2701 Navistar Drive Usie, IL 60532 USA navistar.com IMPORTANT SAFETY RECALL 22522 NHTSA RECALL NO. 22V-849 This notice applies to your vehicle identified on the enclosed card. Dear INTERNATIONAL• Customer, This notice is sent to you tn accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Navistar has decided that a defect which relates to motor vehicle safety exists in certain 2021 thru 2023 eMV sertes trucks built 12/08/2020 thru 10/14/2022 with feature codes 0008TLC (210 kWh Total Battery Capacity) or 0008TLD (315 kWh Total Battery Capacity). REASON FOR THIS RECALL The high voltage positive cabtes from the battery packs to the Manual Service Disconnects (MSDs) may have incorrect identification marking tape that indicates a lower level 2 isolation (MSD removal) instead of indicating a level 3 isolation (battery fuse removal). RISK TO MOTOR VEHICLE SAFETY An incorrectly identified cable may indicate to a first responder, technician, or customer that the cable is deenergized when it may not be, increasing the risk of electrical shock resulting in personal injury or death. DEFECT REMEDY The repair will involve replacing the incorrect blue identification tape on the high voltage cables with the correct white tape. Dealers now have parts and instructions to repair your vehicle. The repair will be performed free of charge and take approximately 4 hours and 20 minutes to complete. ACTIONS YOU SHOULD TAKE If you own this vehicle, please schedule an appointment with any INTERNATIONAL® dealer to have your vehicle repaired. You can find your nearest dealer by calling 1- 800-448-7825 or by using the dealer locator at http:1/www.internationaltrucks.com. [k'(XJ&O 11:.rn CID MAR 2 2 2023 By., ..C.e.>..l”..f./’.t. .;.,.,f..P.C..-.b.. – A NAVISTAR COMPANY MARCH 2023 If you have already paid for repairs prior to this notice that corrected the defect, you may be eligible for reimbursement of certain repair expenses if they occurred 11/17/2021 thru 04/01/2023. Present your original repair paperwork and proof of payment to any INTERNATIONAL® dealer and your eligibility will be reviewed. You may also submit a claim using the enclosed Request for Reimbursement card. If you are the lessor of this vehicle, please forward a copy of this notice to the lessee within ten days to comply with federal regulations. If you do not own this vehicle, please fill out and return mail the enclosed card so that you will not be contacted again about this recall. IF YOU NEED FURTHER ASSISTANCE If you believe that Navistar has failed to remedy the defect without charge or within a reasonable time, please follow the procedure described in the Owner Assistance Guide section in your Owner’s Manual or call toll free 1-800-448- 7825. You may also submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave, SE, Washington, DC 20590; or call the toll free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800- 424-9153); or go to http://www.safercar.gov. Navistar requests your prompt attention and patience regarding the correction of this defect and apologizes for any inconvenience this may cause you. Navistar, Inc.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-849 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Navistar, Inc. Submission Date : NOV 17, 2022 NHTSA Recall No. : 22V-849 Manufacturer Recall No. : 22522 Manufacturer Information : Manufacturer Name : Navistar, Inc. Address : 2701 Navistar Drive Lisle IL 60532 Company phone : 331-332-1590 Population : Number of potentially involved : 95 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2021-2023 International MV Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : HYBRID ELECTRIC Descriptive Information : • The suspect population is identified by models equipped with feature codes 0008TLC (210 kWh Total Battery Capacity) or 0008TLD (315 kWh Total Battery Capacity). • The exclusive dates of manufacture were determined by when feature codes 0008TLC or 008TLD went into production through when the issue was corrected in production. • The vehicles in the suspect population were built with incorrect identification marking tape on high voltage positive cables from the battery packs to the manual service disconnects (MSDs) and all similar vehicles outside the suspect population were built with the correct identification marking tape. There are 95 Electric MV series trucks in the suspect population Production Dates : DEC 08, 2020 – OCT 14, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The high voltage positive cables from the battery packs to the MSDs may have incorrect identification marking tape, blue in color, that indicates a lower level 2 isolation (MSD removal) instead of white in color, indicating a level 3 isolation (battery fuse removal). FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : An incorrectly identified cable may indicate to a first responder, technician, or customer that the cable is deenergized, when it may not be, possibly Part 573 Safety Recall Report 22V-849 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 increasing the risk of electrical shock resulting in personal injury or death. Description of the Cause : When the design of the vehicle was updated to include remote mounted MSD’s, the color of this cable was inadvertently not changed to reflect its correct level of isolation. Identification of Any Warning that can Occur : None Involved Components : Component Name 1 : NR Component Description : NR Component Part Number : NR Supplier Identification : Component Manufacturer Name : N/A – Engineering issue; not supplier Address : NR NR Country : NR Chronology : • 10/14/2022 – Navistar’s eMobility group meets with Engineering, R&Q, After Sales, and Compliance to discuss the issue and initiates investigation to determine the impact to International and IC vehicles. • 10/18/2022 – Navistar Manufacturing contains the issue at all assembly plants. • 11/07/2022 – Navistar finalizes the suspect population. • 11/10/2022 – Navistar declares a Safety Recall. Part 573 Safety Recall Report 22V-849 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : • The remedy will involve level 3 isolation necessary to remove the battery cables from the battery packs to the MSDs, remove the incorrect identification marking tape (blue) and install the correct identification marking tape (white) and corresponding warning labels, and reinstall the cables. • Navistar’s plan for reimbursement of pre-notification remedies, on file with NHTSA and dated 05/06/2022, applies and reimbursement instructions will be included in the customer notification. How Remedy Component Differs from Recalled Component : The remedy involves installation of correct identification marking tape (white) and warning labels for level 3 isolation, where the recalled identification marking tape (blue) and warning labels were indicated only level 2 isolation. Identify How/When Recall Condition was Corrected in Production : 10/18/2022 – Navistar manufacturing began use of high voltage positive cables from the battery packs to the MSDs with the correct white identification tape. Recall Schedule : Description of Recall Schedule : IIt is estimated that the Customer and dealer notification letters will be mailed by 01/09/2023. Planned Dealer Notification Date : JAN 09, 2023 – JAN 09, 2023 Planned Owner Notification Date : JAN 09, 2023 – JAN 09, 2023 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-849 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Navistar, Inc. Submission Date : NOV 22, 2022 NHTSA Recall No. : 22V-849 Manufacturer Recall No. : 22522 Manufacturer Information : Manufacturer Name : Navistar, Inc. Address : 2701 Navistar Drive Lisle IL 60532 Company phone : 331-332-1590 Population : Number of potentially involved : 95 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2021-2023 International MV Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : HYBRID ELECTRIC Descriptive Information : • The suspect population is identified by models equipped with feature codes 0008TLC (210 kWh Total Battery Capacity) or 0008TLD (315 kWh Total Battery Capacity). • The exclusive dates of manufacture were determined by when feature codes 0008TLC or 008TLD went into production through when the issue was corrected in production. • The vehicles in the suspect population were built with incorrect identification marking tape on high voltage positive cables from the battery packs to the manual service disconnects (MSDs) and all similar vehicles outside the suspect population were built with the correct identification marking tape. There are 95 Electric MV series trucks in the suspect population Production Dates : DEC 08, 2020 – OCT 14, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The high voltage positive cables from the battery packs to the MSDs may have incorrect identification marking tape, blue in color, that indicates a lower level 2 isolation (MSD removal) instead of white in color, indicating a level 3 isolation (battery fuse removal). FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : An incorrectly identified cable may indicate to a first responder, technician, or customer that the cable is deenergized, when it may not be, possibly Part 573 Safety Recall Report 22V-849 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 increasing the risk of electrical shock resulting in personal injury or death. Description of the Cause : When the design of the vehicle was updated to include remote mounted MSD’s, the color of this cable was inadvertently not changed to reflect its correct level of isolation. Identification of Any Warning that can Occur : None Involved Components : Component Name 1 : Cable; High Voltage Component Description : A3 MSD2 OUT TO SBOX LWB Component Part Number : 4304601C92 Supplier Identification : Component Manufacturer Name : N/A – Engineering issue; not supplier Address : NR NR Country : NR Chronology : • 10/14/2022 – Navistar’s eMobility group meets with Engineering, R&Q, After Sales, and Compliance to discuss the issue and initiates investigation to determine the impact to International and IC vehicles. • 10/18/2022 – Navistar Manufacturing contains the issue at all assembly plants. • 11/07/2022 – Navistar finalizes the suspect population. • 11/10/2022 – Navistar declares a Safety Recall. • 11/22/2022 – To date, there have been no warranty claims, field service reports, or any other data related to this issue. Part 573 Safety Recall Report 22V-849 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : • The remedy will involve level 3 isolation necessary to remove the battery cables from the battery packs to the MSDs, remove the incorrect identification marking tape (blue) and install the correct identification marking tape (white) and corresponding warning labels, and reinstall the cables. • Navistar’s plan for reimbursement of pre-notification remedies, on file with NHTSA and dated 05/06/2022, applies and reimbursement instructions will be included in the customer notification. How Remedy Component Differs from Recalled Component : The remedy involves installation of correct identification marking tape (white) and warning labels for level 3 isolation, where the recalled identification marking tape (blue) and warning labels were indicated only level 2 isolation. Identify How/When Recall Condition was Corrected in Production : 10/18/2022 – Navistar manufacturing began use of high voltage positive cables from the battery packs to the MSDs with the correct white identification tape. Recall Schedule : Description of Recall Schedule : IIt is estimated that the Customer and dealer notification letters will be mailed by 01/09/2023. Planned Dealer Notification Date : JAN 09, 2023 – JAN 09, 2023 Planned Owner Notification Date : JAN 09, 2023 – JAN 09, 2023 * NR – Not Reported

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