Recall 215 – Unintended Acceleration after Gas Pedal Release – 2017-2019 Hyundai Ioniq

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Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service Advisors, Technicians, Body Shop Manager, Fleet Repair Technical Service Bulletin GROUP NUMBER RECALL 22-01-001H DATE MODEL(S) JANUARY 2022 Accent (HC) SUBJECT: BRAKE MASTER CYLINDER REPLACEMENT (RECALL 213) Description: This bulletin describes the procedure to replace the brake master cylinder on certain 21MY Accent (HC) models. The brake master cylinder in the subject vehicles may have been produced with sharp edges on one of the master cylinder’s secondary inner cup seal seats, resulting in premature wear of the inner cup seal. Worn inner cup seals could reduce hydraulic pressure applied by the master cylinder resulting in reduced braking function at the wheels. The driver may experience longer brake pedal travel, change in pedal feel, and extended stopping distance, increasing the risk of a crash. Applicable Vehicles: Certain 2021 MY Accent (HC) produced between September 29, 2020 and July 01, 2021. *** Retail Vehicles *** As required by federal law, dealer must not deliver new vehicle for sale or for lease to customers until all open recalls have been performed. Dealers must also perform all open recalls on used vehicles, demo, and rental vehicles prior to placing them into customer use and whenever an affected vehicle is in the shop for any maintenance or repair. When a vehicle arrives at the service department, access the “Vehicle Information” screen via WEBDCS to identify open Campaigns.  IMPORTANT BRAKE MASTER CYLINDER RE PLACEMENT (RECALL 213) TSB #: 22-01-001H Page 2 of 6 SUBJECT: SUBJECT: Parts Information: MODEL PART NUMBER PART DESCRIPTION PHOTO REMARKS ACCENT (HC) 58510-H9260QQH Brake Master Cylinder, Reservoir Assembly – 00232-19053 DOT 4 Brake Fluid (12 FL.OZ., 355ML) Requires approximately 2 ¼ bottles (27 FL.OZ.) of brake fluid per vehicle Warranty Information: MODEL OP CODE OPERATION OP TIME CAUSAL PART NATURE CODE CAUSE CODE ACCENT (HC) 211M18R0 Brake Master Cylinder Replacement 1.5 M/H 58510-H9260QQH D73 ZZ3 NOTE 1: Submit claim on Campaign Claim Entry screen. NOTE 2: If a part is found in need of replacement while performing the repair for this TSB and the affected part is still under warranty, submit a separate claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work. NOTE 3: Three (3) bottles of brake fluid will be reimbursed under labor op 211M18R0. BRAKE MASTER CYLINDER RE PLACEMENT (RECALL 213) TSB #: 22-01-001H Page 3 of 6 SUBJECT: SUBJECT: Service Procedure: 1. 2. Record the customer’s radio presets. Remove Air Cleaner Assembly, Battery, and Engine Control Module. Refer to the applicable sections of the shop manual for removal and reinstallation. 3. 4. Remove the brake fluid from the master cylinder reservoir. Disconnect the brake fluid level switch connector (A) and disconnect the brake tube (B) from the master cylinder by loosening the tube flare nut. Brake Tube Flare Nut Torque 5. Remove the master cylinder and reservoir assembly from the brake booster after loosening the mounting nuts (C). Master Cylinder Mounting Nut Torque 6. Reinstall the removed parts in reverse order of removal. •9.4-12.3 lb-ft •1.3-1.7 kgf.m •13.7-16.7 N.m •9.4-12.3 lb-ft •1.3-1.7 kgf.m •12.7-16.7 N.m C A B BRAKE MASTER CYLINDER RE PLACEMENT (RECALL 213) TSB #: 22-01-001H Page 4 of 6 SUBJECT: SUBJECT: 7. Fill the master cylinder reservoir to the MAX (upper) level line. 8. Continue with the brake bleeding procedures below. Brake Bleeding Procedure: 1. After reassembly, bleed the brake system. Use a hose placed in a partially filled container of brake fluid to catch brake fluid from the system. 2. Start with the rear right brake. Attach the clear hose to the brake bleed screw. Have an assistant slowly pump the brake pedal several times and then fully hold the brake pedal down. While the brake pedal is held down, open the brake bleed screw for a couple of seconds, then tighten the bleed screw. •Do not reuse drained fluid. •Always use genuine DOT4 brake fluid. Using non-genuine DOT4 brake fluid can cause corrosion and decrease the life of the brake system. •Verify dirt or other foreign matter does not contaminate the brake fluid. •Do not spill brake fluid onto the vehicle. This may lead to paint damage. If brake fluid contacts any paint surface, wash the surface off immediately with water. •The reservoir on the master cylinder must be at the MAX (upper) level mark at the start of bleeding procedure and checked after bleeding each brake caliper. Add fluid as required. CAUTION ! BRAKE MASTER CYLINDER RE PLACEMENT (RECALL 213) TSB #: 22-01-001H Page 5 of 6 SUBJECT: SUBJECT: 3. Repeat two to three times until air bubbles are no longer present in the tube. Brake Bleed Screw Tightening Torque 4. Always maintain proper brake fluid level in the reservoir. After completing the procedure at the rear right position, repeat the procedure in the sequence shown until air bubbles no longer appear in the fluid. 5. Refill the master cylinder reservoir to the MAX (upper) level line. 6. Connect the GDS-M to the vehicle, and then select ‘HCU Air Bleeding Mode’. System  ABS/ESP  HCU Air Bleeding Mode •5.1-9.4 lb-ft •0.7-1.3 kgf.m •6.9-12.7 N.m 1 2 3 4 BRAKE MASTER CYLINDER RE PLACEMENT (RECALL 213) TSB #: 22-01-001H Page 6 of 6 SUBJECT: SUBJECT: 7. Return to the rear right caliper. Attach the clear hose to the brake bleed screw. Inform the assistant to select the rear right button to activate the HECU. Once the HECU has activated, the assistant should press and release the brake pedal repeatedly at regular intervals. When the activation stops, the assistant should hold the brake pedal down. Open the brake bleed screw for a couple of seconds, then tighten the bleed screw. The HECU will activate again. Follow the procedure above. 8. Always maintain proper brake fluid level in the reservoir. After completing the procedure at the rear right position, repeat the procedure in the sequence shown until air bubbles no longer appear in the fluid. 9. Refill the master cylinder reservoir to the MAX (upper) level line. 10. Restore the customer’s radio presets, check that the brakes are operating properly, and clear any DTC. 11. The service procedure is now complete. 1 2 3 4 Disregard the bleeding sequence as noted in the GDS-M. Please follow the sequence in this TSB. NOTICE Disregard the GDS-M bleeding sequence

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This notice applies to your Hyundai, VIN: Dear This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Hyundai has decided that a defect, which relates to motor vehicle safety, exists in certain 2017 – 2019 Hyundai Ioniq EV vehicles in the U.S. and Canadian markets. Hyundai is conducting this action to ensure the safety of its vehicles for Hyundai customers. What is the problem? During operation, the subject vehicles may enter a “fail-safe” mode causing the EV Ready lamp to flash, accompanied with reduced acceleration and overall power output. In certain instances, while in this “fail-safe” mode, an unintended acceleration event can occur after the accelerator pedal is released, if a specific set of sequences are met. The sequence steps being (1) the accelerator pedal is rapidly cycled at the moment the “fail-safe” mode is initially engaged, (2) followed by a sustained period of 100% accelerator pedal application and lastly (3) an abrupt release of the accelerator pedal. The braking and steering systems are fully functional during the “fail-safe” mode. The unintended acceleration following accelerator pedal release may increase the risk of a crash. What will Hyundai do? Your Hyundai dealer will install a cable kit and update the EPCU (Electric Power Control Unit) software. This procedure will be performed at NO CHARGE to you. What should you do? Please contact your nearest Hyundai dealer to schedule the recall repair as soon as possible. If the Malfunction Indicator Light is illuminated in your vehicle, you should seek service at your Hyundai dealer as soon as possible. The actual time required to perform the repair will take approximately one hour. However, your vehicle may be needed longer. Therefore, we recommend scheduling a service appointment to minimize inconvenience. If you have other questions If you require further assistance, you may contact the Hyundai Customer Care Center at 1-855-371-9460. If you believe that the dealer or Hyundai has failed or is unable to remedy the defect within a reasonable time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue S.E., Washington, D.C. 20590, or call the toll-free Vehicle Safety Hot Line at 1-888-327-4236 (TTY: 1-800-424-9153), or go to https://www.safercar.gov. Thank you for your attention to this important safety matter. We apologize for any inconvenience this may have caused you. Hyundai Motor America Hyundai Motor America P.O. Box 20839 Fountain Valley, CA 92728-9937 IMPORTANT SAFETY RECALL 2017 – 2019 Hyundai Ioniq EV Accelerator System Importante Retiro del Mercado por Motivos de Seguridad — Si tiene preguntas llama 1-800-633-5151 y oprima “8” NHTSA Recall Number: 21V-944 Hyundai Recall Number: 215 This is an important Safety Recall. • Please contact your nearest Hyundai dealer to schedule the repair as soon as possible. • This repair will be performed at NO CHARGE to you. • To locate your nearest Hyundai dealer and schedule your appointment please visit: www.HyundaiUSA.com/Campaign215

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Recall Campaign 213: BRAKE MASTER CYLINDER REPLACEMENT – Dealer Best Practice (TSB 22-01-001H) January 27, 2022 Updates to this Document Date • TSB 22-01-001H – Remedy Available 01/27/2022 As required by federal law, dealers must not deliver new vehicles for sale or for lease to customers until all open recalls have been performed. Dealers must also perform all open recalls on used vehicles, demo, and rental vehicles prior to placing them into customer use and whenever an affected vehicle is in the shop for any maintenance or repair. Description of Campaign: The brake master cylinder in the subject vehicles may have been produced with sharp edges on one of the master cylinder’s secondary inner cup seal seats, resulting in premature wear of the inner cup seal. Worn inner cup seals could reduce hydraulic pressure applied by the master cylinder resulting in reduced braking function at the wheels. The driver may experience longer brake pedal travel, change in pedal feel, and extended stopping distance, increasing the risk of a crash. Follow the TSB 22-01-001H to replace the brake master cylinder and reservoir assembly. Applicable Vehicles: ➢ Certain 2021MY Accent (HC) produced from 09/29/2020 – 07/01/2021 ➢ To check vehicle specific recall and campaign applicability, access the “Vehicle Information” screen via WebDCS. ➢ For this recall, please note that there are no new vehicles currently in dealer stock. Remedy Information: Hyundai dealers will inspect and replace the master cylinder and reservoir assembly per the procedures outlined in TSB 22-01-001H. This will be at no cost to the customer. ➢ Estimated Repair Time (Based on Warranty Op Time): 1.5 hours ➢ Recommended Technician Training Level: Expert with 18 months or more repairing Hyundai vehicles Recommended Alternative Transportation: It is recommended to plan and prepare an SRC for customer use while performing this recall based on the customer’s transportation needs. Best Practice Checklist Reservation: Did you check WebDCS for additional campaigns or recalls?  Yes  No Readiness: Are parts in stock to complete this campaign?  Yes – Provide customer with ETA  No – Contact parts and get ETA Reception: Did you explain to the customer the expected repair time based on the repair?  Yes  No Reception: Did you explain to customer the warranty requirements?  Yes  No Reception: Did you offer the customer Alternative Transportation?  Yes  No Repair: Does the Technician meet the recommended training requirements to complete this recall/campaign?  Yes  No Return: Did you get the customer’s signature on all warranty lines in addition to the final RO?  Yes  No Additional Training & Resources None Hyundaidealer.com A WebDCS announcement will be provided on Hyundaidealer.com informing dealers of a remedy available for this recall for the affected vehicles mentioned above. Parts ➢ 1 master cylinder per vehicle Warranty Information • Submit claim on Campaign Claim Entry screen • If a part that is not covered by this Recall campaign is found in need of replacement while performing this campaign and the affected part is still under warranty, submit a separate warranty claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work. • Three (3) bottles of brake fluid will be reimbursed under labor op 211M18R0. Customer FAQ Q1: What is the issue? A1: The brake master cylinder in the subject vehicles may have been produced with sharp edges on one of the master cylinder’s secondary inner cup seal seats, resulting in premature wear of the inner cup seal. Worn inner cup seals could reduce hydraulic pressure applied by the master cylinder resulting in reduced braking function at the wheels. The driver may experience longer brake pedal travel, change in pedal feel, and extended stopping distance, increasing the risk of a crash. Q2: What is the safety concern? A2: Extended stopping distance could increase the risk of a crash. Q3: What will be done during the recall service at the dealer? A3: All owners of the subject vehicles will be notified by first class mail with instructions to bring their vehicles to a Hyundai dealer to have the brake master cylinder and reservoir assembly replaced. This remedy procedure will be performed at no charge to all affected customers. Hyundai will provide reimbursement to owners for prior repairs according to the plan submitted to NHTSA on May 16, 2018. Customer Notification Owners will be notified beginning in late January 2022 regarding a remedy available. NHTSA has posted this recall. Contact Reference Please see the following page for commonly referred to contacts. Thank you for your prompt attention to this important safety matter and continued commitment to Hyundai customers. Key Contact Information Dealer Support Contact Information Description Parts [email protected] 1-800-545-4515 Parts ordering hotline Techline 1‐800‐325‐6604 Vehicle Technical Support for Hyundai Dealer Technicians Warranty HELPREP Line 1‐877‐446‐2922 Warranty Claim questions for Hyundai Dealers Warranty Prior Approval (PA) Center [email protected] Warranty Prior Approval (PA) Center for Hyundai Dealers Xtime Technical Support [email protected] 1‐866‐984‐6355 Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes AutoLoop Technical Support [email protected] 1-877-850-2010 Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes CDK Technical Support https://serviceconnect.support.cdk.com/ Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes Customer Support Contact Information Description Hyundai Customer Care Center (Recall / Campaign Questions) 1‐855‐671‐3059 Customer questions or concerns related to recall or service campaigns Hyundai Recall / Campaign Website www.hyundaiusa.com/recall Updated information related to the specific recall or service campaign Hyundai Customer Care Center (General Questions) 1‐800‐633‐5151 Customers general questions, non‐campaign related Hyundai Roadside Assistance 1-800-243-7766 Hyundai Roadside Assistance Key Reference Information Name Source Campaign Central Consolidated repository of recall and service campaign dealer best practices. Located on the service tab homepage in www.HyundaiDealer.com Car Care Scheduling (Xtime) – Tutorials www.HyundaiDealer.com > Service > Dealer Resources > Documents Library > Car Care Scheduling Car Care Scheduling (Xtime) – Recall Appointment Notification 1. Log into Xtime 2. Under the menu at the top left, select ‘CONFIGURE’ 3. Under the dealership tab, click “EMAIL COMMUNICATION” 4. Slide the toggle to “ADVANCED” 5. Populate as many e-mails as desired in the “PARTS DESK EMAIL FIELD” Parts – Campaign Parts Management (CPM) Procedure As applicable; www.HyundaiDealer.com > Parts > Documents Library > Campaign Parts Management Service Rental Car (SRC) Program SRC Documentation: www.HyundaiDealer.com > Service tab > Documents Library > Service Rental Car TSD: www.HyundaiDealer.com > Service tab > SRC Fleet Mgmt Software Insurance: www.HyundaiDealer.com > Service tab > SRC Insurance Technical Service Bulletin (TSB) www.HyundaiDealer.com > Service tab > Hyundai Tech Info Uncompleted Campaign VIN Listing A listing of vehicles is located on WEBDCS > SERVICE tab > select UNCOMPLETED CAMPAIGN VIN LISTING – Dealer Stock (New, SRC, CPO, etc.) and Retailed. Recall Campaign Website www.hyundaiusa.com/recall NHTSA Website www.safercar.gov Appendix Updates to this Document Date • Remedy Not Available 12/07/2021

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Recall 215: Accelerator System – Dealer Best Practice- Remedy Not Available December 13, 2021 Updates to this Document Date • Remedy Not Available 12/13/2021 As required by federal law, dealers must not deliver new vehicles for sale or for lease to customers until all open recalls have been performed. Dealers must also perform all open recalls on used vehicles, demo, and rental vehicles prior to placing them into customer use and whenever an affected vehicle is in the shop for any maintenance or repair. Description of Campaign: Hyundai is initiating recall campaign 215, a safety recall to repair a condition involving the accelerator system in certain Hyundai Ioniq vehicles in the US and Canadian markets. Hyundai is conducting this action to ensure the safety of its vehicles for Hyundai customers. During operation, the subject vehicles may enter a “fail-safe” mode causing the EV Ready lamp to flash, accompanied with reduced acceleration and overall power output. In rare instances, while in this “fail-safe” mode, a slow, unintended acceleration event can occur following full accelerator pedal release, if, a specific set of sequences are met. The sequence steps being (1) the accelerator pedal is rapidly cycled at the moment the “fail-safe” mode is initially engaged, (2) followed by a sustained period of 100% accelerator pedal application and lastly (3) an abrupt release of the accelerator pedal. The braking and steering systems are fully functional during the “fail-safe” mode. Affected Vehicles: • Certain 2017-19 model year Hyundai Ioniq Electric produced from January 21, 2016 to June 24, 2019 by Hyundai Motor Company (“HMC”) in Korea ➢ To check vehicle specific recall and campaign applicability, access the “Vehicle Information” screen via WebDCS. ➢ For this recall, please note that there are no new vehicles currently in dealer stock. Remedy Information: Remedy is currently under development. Recommended Alternative Transportation: It is recommended that SRCs are made available for customers that are concerned with the safe operation of their vehicle prior to release of final remedy. Additionally, it is advisable to utilize a SRC while final remedy repairs are being completed. Best Practice Checklist Additional items will be added to the checklist once a remedy becomes available. Reservation: Did you check WebDCS for additional campaigns or recalls?  Yes  No Reception: Did you offer the customer Alternative Transportation?  Yes  No Additional Training & Resources Hyundai Learning Portal Remedy is currently under development. Applicable training courses related to this recall, if applicable, will be provided once a remedy has been released by HMA. Hyundaidealer.com A WebDCS announcement will be provided on Hyundaidealer.com informing dealers of a remedy not yet available for this recall. Warranty Additional warranty information will be provided once a remedy has been released by HMA. Parts Parts, if applicable, will be provided once a remedy has been released by HMA. Customer FAQ Q1: What is the safety concern? A1: The unexpected continuation of acceleration following acceleration pedal release may increase the risk of a crash. Q2: What will be done during the recall service at the dealer? A2: All owners of the subject vehicles will be notified by first class mail with instructions to bring their vehicles to a Hyundai dealer to have the remedy applied and the EPCU (Electric Power Control Unit) software updated. This remedy will be offered at no cost for all affected customers. Hyundai will provide reimbursement to owners for repairs according to the plan submitted to NHTSA on May 16, 2018. Customer Notification Owners will be notified beginning in early February 2022. NHTSA has been notified of this recall. Reference Please see the following page for commonly referred to contacts. Key Contact Information Dealer Support Contact Information Description Parts [email protected] 1-800-545-4515 Parts ordering hotline Techline 1‐800‐325‐6604 Vehicle Technical Support for Hyundai Dealer Technicians Warranty HELPREP Line 1‐877‐446‐2922 Warranty Claim questions for Hyundai Dealers Warranty Prior Approval (PA) Center [email protected] Warranty Prior Approval (PA) Center for Hyundai Dealers Xtime Technical Support [email protected] 1‐866‐984‐6355 Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes AutoLoop Technical Support [email protected] 1-877-850-2010 Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes CDK Technical Support https://serviceconnect.support.cdk.com/ Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes Customer Support Contact Information Description Hyundai Customer Care Center (Recall / Campaign Questions) 1‐855‐671‐3059 Customer questions or concerns related to recall or service campaigns Hyundai Recall / Campaign Website www.hyundaiusa.com/recall Updated information related to the specific recall or service campaign Hyundai Customer Care Center (General Questions) 1‐800‐633‐5151 Customers general questions, non‐campaign related Hyundai Roadside Assistance 1-800-243-7766 Hyundai Roadside Assistance Key Reference Information Name Source Campaign Central Consolidated repository of recall and service campaign dealer best practices. Located on the service tab homepage in www.HyundaiDealer.com Car Care Scheduling (Xtime) – Tutorials www.HyundaiDealer.com > Service > Dealer Resources > Documents Library > Car Care Scheduling Car Care Scheduling (Xtime) – Recall Appointment Notification 1. Log into Xtime 2. Under the menu at the top left, select ‘CONFIGURE’ 3. Under the dealership tab, click “EMAIL COMMUNICATION” 4. Slide the toggle to “ADVANCED” 5. Populate as many e-mails as desired in the “PARTS DESK EMAIL FIELD” Parts – Campaign Parts Management (CPM) Procedure As applicable; www.HyundaiDealer.com > Parts > Documents Library > Campaign Parts Management Service Rental Car (SRC) Program SRC Documentation: www.HyundaiDealer.com > Service tab > Documents Library > Service Rental Car TSD: www.HyundaiDealer.com > Service tab > SRC Fleet Mgmt Software Insurance: www.HyundaiDealer.com > Service tab > SRC Insurance Technical Service Bulletin (TSB) www.HyundaiDealer.com > Service tab > Hyundai Tech Info Uncompleted Campaign VIN Listing A listing of vehicles is located on WEBDCS > SERVICE tab > select UNCOMPLETED CAMPAIGN VIN LISTING – Dealer Stock (New, SRC, CPO, etc.) and Retailed. Recall Campaign Website www.hyundaiusa.com/recall NHTSA Website www.safercar.gov

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Recall 215: VCULDC LOGIC UPDATE AND 3 PHASE MOTOR GROUND CABLE KIT INSTALLATION – Dealer Best Practice (TSB 22-01-003H) January 18, 2022 Updates to this Document Date • TSB 22-01-003H – Remedy Available 01/18/2022 As required by federal law, dealers must not deliver new vehicles for sale or for lease to customers until all open recalls have been performed. Dealers must also perform all open recalls on used vehicles, demo, and rental vehicles prior to placing them into customer use and whenever an affected vehicle is in the shop for any maintenance or repair. Description of Campaign: The subject vehicles may enter a “fail-safe” mode causing the EV Ready lamp to flash, accompanied with reduced acceleration and overall power output. In rare instances, while in this “fail-safe” mode, a slow, unintended acceleration event can occur following full accelerator pedal release, if, a specific set of sequences are met. The sequence steps being (1) the accelerator pedal is rapidly cycled at the moment the “fail-safe” mode is initially engaged, (2) followed by a sustained period of 100% accelerator pedal application and lastly (3) an abrupt release of the accelerator pedal. The braking and steering systems are fully functional during the “fail-safe” mode. Follow the TSB 22-01-003H to perform the VCULDC logic update and install the 3 Phase Motor GND Cable KIT for the subject vehicles. Affected Vehicles: ➢ Certain 2017-2019 Ioniq Electric (AE EV) produced from 01/21/2016 – 06/29/2019 ➢ To check vehicle specific recall and campaign applicability, access the “Vehicle Information” screen via WebDCS. ➢ For this recall, please note that there are no vehicles currently in dealer stock. Remedy Information: Hyundai dealers will perform the VCULDC logic upgrade and install the 3 Phase Motor GND Cable KIT per the procedures outlined in TSB 22-01-003H. ➢ Estimated Repair Time (Based on Warranty Op Time): 1.1 hours ➢ Recommended Technician Training Level: Expert with the following classes completed: ➢ Hybrid Vehicle Training – Classroom (SVCHHYBVEHTRN218_800) or equivalent course ➢ Electric Vehicle Service Safety – Web (SVCEVSVCSFTYW19_825) or equivalent course Recommended Alternative Transportation: This update and kit can be completed while customers wait. However, it is recommended to plan and schedule a SRC as needed to meet the customers’ alternative transportation needs. Best Practice Checklist Reservation: Did you check WebDCS for additional campaigns or recalls?  Yes  No Readiness: Are parts in stock to complete this campaign?  Yes – Provide customer with ETA  No – Contact parts and get ETA Reception: Did you explain to the customer the expected repair time based on the repair?  Yes  No Reception: Did you offer the customer Alternative Transportation?  Yes  No Repair: Does the Technician meet the recommended training requirements to complete this recall/campaign?  Yes  No Return: Did you get the customer’s signature on all warranty lines in addition to the final RO?  Yes  No Additional Training & Resources Hyundai Learning Portal ➢ Applicable Course(s) related to this TSB: ➢ Hybrid Vehicle Training – Classroom (SVCHHYBVEHTRN218_800) or equivalent ➢ Electric Vehicle Service Safety – Web (SVCEVSVCSFTYW19_825) or equivalent Hyundaidealer.com A WebDCS announcement will be provided on Hyundaidealer.com informing dealers of a remedy available for this recall for the affected vehicles mentioned above. Parts ➢ 1 kit per vehicle Warranty • Submit claim on Campaign Claim Entry screen • If a part that is not covered by this Recall campaign is found in need of replacement while performing this campaign and the affected part is still under warranty, submit a separate warranty claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work. Customer FAQ Q1: What is the issue? A1: During operation, the subject vehicles may enter a “fail-safe” mode causing the EV Ready lamp to flash, accompanied with reduced acceleration and overall power output. In rare instances, while in this “fail-safe” mode, a slow, unintended acceleration event can occur following full accelerator pedal release, if, a specific set of sequences are met. The braking and steering systems are fully functional during the “fail-safe” mode. Q2: What is the safety concern? A2: The unexpected continuation of acceleration following accelerator pedal release may increase the risk of a crash. Q3: What will be done during the recall service at the dealer? A3: All owners of the subject vehicles will be notified by first class mail with instructions to bring their vehicles to a Hyundai dealer to have cable kit installed and the EPCU (Electric Power Control Unit) software updated. This remedy procedure will be performed at no charge. Hyundai will provide reimbursement to owners for repairs according to the plan submitted to NHTSA on May 16, 2018. Customer Notification Owners will be notified beginning in early February 2022 regarding a remedy available. NHTSA has posted this recall. Contact Reference Please see the following page for commonly referred to contacts. Thank you for your prompt attention to this important safety matter and continued commitment to Hyundai customers. Key Contact Information Dealer Support Contact Information Description Parts [email protected] 1-800-545-4515 Parts ordering hotline Techline 1‐800‐325‐6604 Vehicle Technical Support for Hyundai Dealer Technicians Warranty HELPREP Line 1‐877‐446‐2922 Warranty Claim questions for Hyundai Dealers Warranty Prior Approval (PA) Center [email protected] Warranty Prior Approval (PA) Center for Hyundai Dealers Xtime Technical Support [email protected] 1‐866‐984‐6355 Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes AutoLoop Technical Support [email protected] 1-877-850-2010 Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes CDK Technical Support https://serviceconnect.support.cdk.com/ Assistance with Car Care Scheduling: • Appointment / Shop Capacity Management / Campaign Integration / Operation Codes Customer Support Contact Information Description Hyundai Customer Care Center (Recall / Campaign Questions) 1‐855‐671‐3059 Customer questions or concerns related to recall or service campaigns Hyundai Recall / Campaign Website www.hyundaiusa.com/recall Updated information related to the specific recall or service campaign Hyundai Customer Care Center (General Questions) 1‐800‐633‐5151 Customers general questions, non‐campaign related Hyundai Roadside Assistance 1-800-243-7766 Hyundai Roadside Assistance Key Reference Information Name Source Campaign Central Consolidated repository of recall and service campaign dealer best practices. Located on the service tab homepage in www.HyundaiDealer.com Car Care Scheduling (Xtime) – Tutorials www.HyundaiDealer.com > Service > Dealer Resources > Documents Library > Car Care Scheduling Car Care Scheduling (Xtime) – Recall Appointment Notification 1. Log into Xtime 2. Under the menu at the top left, select ‘CONFIGURE’ 3. Under the dealership tab, click “EMAIL COMMUNICATION” 4. Slide the toggle to “ADVANCED” 5. Populate as many e-mails as desired in the “PARTS DESK EMAIL FIELD” Parts – Campaign Parts Management (CPM) Procedure As applicable; www.HyundaiDealer.com > Parts > Documents Library > Campaign Parts Management Service Rental Car (SRC) Program SRC Documentation: www.HyundaiDealer.com > Service tab > Documents Library > Service Rental Car TSD: www.HyundaiDealer.com > Service tab > SRC Fleet Mgmt Software Insurance: www.HyundaiDealer.com > Service tab > SRC Insurance Technical Service Bulletin (TSB) www.HyundaiDealer.com > Service tab > Hyundai Tech Info Uncompleted Campaign VIN Listing A listing of vehicles is located on WEBDCS > SERVICE tab > select UNCOMPLETED CAMPAIGN VIN LISTING – Dealer Stock (New, SRC, CPO, etc.) and Retailed. Recall Campaign Website www.hyundaiusa.com/recall NHTSA Website www.safercar.gov Appendix Updates to this Document Date • Remedy Not Available 12/13/2021

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-944 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Hyundai Motor America Submission Date : DEC 07, 2021 NHTSA Recall No. : 21V-944 Manufacturer Recall No. : 215 Manufacturer Information : Manufacturer Name : Hyundai Motor America Address : 10550 Talbert Avenue Fountain Valley CA 92708 Company phone : 800-633-5151 Population : Number of potentially involved : 2,679 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2017-2019 Hyundai Ioniq Electric Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : HYBRID ELECTRIC Descriptive Information : The subject vehicles include 2,679 model year 2017-2019 Hyundai Ioniq EV vehicles produced on January 21, 2016 through June 24, 2019 by Hyundai Motor Company (“HMC”) in Korea for sale in the U.S. market. Production Dates : JAN 21, 2016 – JUN 24, 2019 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : During operation, the subject vehicles may enter a “fail-safe” mode causing the EV Ready lamp to flash, accompanied with reduced acceleration and overall power output. In rare instances, while in this “fail-safe” mode, a slow, unintended acceleration event can occur following full accelerator pedal release, if, a specific set of sequences are met. The sequence steps being (1) the accelerator pedal is rapidly cycled at the moment the “fail-safe” mode is initially engaged, (2) followed by a sustained period of 100% accelerator pedal application and lastly (3) an abrupt release of the accelerator pedal. The braking and steering systems are fully functional during the “fail-safe” mode. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The unexpected continuation of acceleration following accelerator pedal release may increase the risk of a crash. Description of the Cause : Electrical noise is generated due to deterioration of the electrical ground which can create a communication error within the vehicle’s Controller Area Network (“CAN”) bus. Part 573 Safety Recall Report 21V-944 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : The EV “READY” lamp flashes as the vehicle enters Fail-Safe mode Involved Components : Component Name 1 : Power Electric (“PE”) Module Component Description : Power module containing the OBC, EPCU, Drive Motor and Reduction Gear Component Part Number : G7GPE-U300050, G7GPE-U300053, G7GPE-U300055, G7GPE-U300043 Supplier Identification : Component Manufacturer Name : MOBIS Address : 37, Cheoldobangmulgwan-ro Uiwang-si Gyeonggi-do Foreign States 16082 Country : Korea, Republic of Chronology : June – October 2021 On June 8, 2021, HMC became aware of a Korean media report regarding an incident alleging unintended acceleration on a vehicle in the Korean domestic market. HMC conducted a joint investigation with MOLIT and KATRI and collected data from the incident vehicle. Analysis of the vehicle data indicated that an unstable electrical ground may have caused instantaneous electrical noise to flow abnormally triggering a “fail-safe” mode designed to prevent impact during driving by restricting vehicle speed. The onset of the “fail-safe” mode could result in operators experiencing an acceleration delay when operating the accelerator pedal and, in limited instances, slow vehicle acceleration after full release of accelerator pedal. Noting difficulty in replicating the subject condition under normal driving conditions, HMC focused its investigation on duplicating the condition while providing regular updates to MOLIT and KATRI on its findings. November On November 11, 2021, HMC shared its investigation findings and discussion with MOLIT with HMA NASO. HMA NASO conducted their own review through field claim analysis and vehicle testing. On November 25, 2021, HMC decided to conduct a safety recall in the Korean domestic market noting the possibility of slow vehicle acceleration when the accelerator pedal is released. HMC informed NASO of its decision on the same day. Part 573 Safety Recall Report 21V-944 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Based on the information received, NASO convened its North America Safety Decision Authority on November 30, 2021 and decided to file a safety recall notice for the affected vehicles in the U.S. market. Regarding field claim counts from all available data sources at the time of the filing, Hyundai is not aware of any confirmed cases. Hyundai is not aware of any crashes, fires, or injuries related to the defect condition. Description of Remedy : Description of Remedy Program : All owners of the subject vehicles will be notified by first class mail with instructions to bring their vehicles to a Hyundai dealer to have the remedy applied and the EPCU(Electric Power Control Unit) software updated. This remedy will be offered at no cost for all affected customers. Hyundai will provide reimbursement to owners for repairs according to the plan submitted on May 16, 2018. How Remedy Component Differs from Recalled Component : The remedy includes additional ground wiring between the vehicle’s Drive Motor & Reduction Gear assembly and frame. Identify How/When Recall Condition was Corrected in Production : The additional ground wiring was implemented as a running production change in May 2019. Recall Schedule : Description of Recall Schedule : Dealers and owners will be notified in early February 2022. Planned Dealer Notification Date : FEB 04, 2022 – FEB 04, 2022 Planned Owner Notification Date : FEB 04, 2022 – FEB 04, 2022 * NR – Not Reported

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