97ZZ High Voltage Battery Control Module May Restart – 2021 Volkswagen ID.4

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-040 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Volkswagen Group of America, Inc. Submission Date : FEB 01, 2023 NHTSA Recall No. : 23V-040 Manufacturer Recall No. : 97ZZ Manufacturer Information : Manufacturer Name : Volkswagen Group of America, Inc. Address : 3800 Hamlin Road Auburn Hills MI 48326 Company phone : 1-800-893-5298 Population : Number of potentially involved : 20,904 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2021-2021 VOLKSWAGEN ID4 Vehicle Type : Body Style : Power Train : NR Descriptive Information : The recall population was determined by production records. The recalled products differ from products that were not included in the recall because of a different software version in the high voltage (HV) battery management control module and pulse inverter control module. Vehicles not included in the recall have an improved software. ID.4: 20904 Production Dates : MAY 26, 2020 – JAN 20, 2022 VIN Range 1 : Begin : WVGFMPE24MP000559 End : WVGUNPE27MP066592 ✔ Not sequential Description of Defect : Description of the Defect : The high voltage (HV) battery management control module may reset or, in rare events, the pulse inverter may be deactivated while driving. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the HV battery management control module resets while driving, the vehicle’s electric motor will not be supplied with power for the duration of the reset. In rare cases, the pulse inverter may be deactivated while driving. Each of these conditions may lead to a loss of propulsion without pre-warning and may increase the risk of a crash. Description of the Cause : Battery management control unit software: The self-diagnosis software of the HV battery management system is too sensitive in certain situations. This may lead to an unnecessary reset of the control unit. Pulse inverter: A software failure may lead to incorrect evaluation of internal measurement values. If this is detected, the pulse inverter may be deactivated. Part 573 Safety Recall Report 23V-040 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : When this situation occurs, the driver receives an immediate warning in the instrument cluster. Involved Components : Component Name 1 : HV Battery management software Component Description : Software for HV battery management control unit Component Part Number : Versions 920, 850 Component Name 2 : Pulse inverter software Component Description : Software for pulse inverter control unit Component Part Number : Versions 6034, 6035, 6043 Supplier Identification : Component Manufacturer Name : Valeo Powertrain Electrified Mobility (P Address : 14, avenue des Beguines, Immeuble le DEL BP 68532 Cergy Pontoise Foreign States 95 892 Country : France Chronology : July 2021: Reports from Europe received regarding potential software issue in HV battery management system. Analysis started. September 2021: Testing of potential consequence conducted and risk assessment initiated. Risk assessment indicated no unreasonable risk for motor vehicle safety. September 2021 – August 2022: Ongoing data monitoring for this HV battery control unit issue, based on limited number of fault entries observed in data received from the field and the fact that no crash or injury allegation were observed related to this topic January 2022: The supplier reported an issue with the pulse inverter software that could potentially lead to the deactivation of the pulse inverter. Analysis started. August – September 2022: VOQ’s were analyzed for the ID.4 alleging potential stalling events. Some reports from the US market indicated that the battery management software issue could have led to stalling allegations at ID.4 vehicles. These reports were discussed with ODI during a Quarterly Meeting. Further investigations and analysis were initiated. Part 573 Safety Recall Report 23V-040 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 October 12, 2022: Topic was presented in Volkswagen Product Safety Committee. No unreasonable risk to motor vehicle safety determined since steering and braking functions are not affected. Vehicle remains fully controllable. After restart vehicle will operate normal. Decision to address this issue as a service campaign January 25, 2023: Topic was presented in Volkswagen Product Safety Committee. An update of potential field data from the US market was presented. Based on this information a recall was decided. The recall decision is based on identified fault entries in US vehicles which indicate that the recall condition could have been present: HV battery CU 384/pulse inverter 32 Description of Remedy : Description of Remedy Program : The software of the HV battery management control unit and the pulse inverter control unit will be updated. Volkswagen will not offer a reimbursement plan under this recall. How Remedy Component Differs from Recalled Component : The recall remedy component can be distinguished from the recalled component because the software is improved. HV battery control unit: version 930 Pulse inverter control unit: version 6044 Identify How/When Recall Condition was Corrected in Production : CW 49/2021: Introduction of improved software level in vehicle series production for the battery management control unit CW20/2022: Introduction of improved software level in vehicle series production for the pulse inverter. Recall Schedule : Description of Recall Schedule : Dealers/Owners: On or before March 31, 2023 Planned Dealer Notification Date : MAR 31, 2023 – MAR 31, 2023 Planned Owner Notification Date : MAR 31, 2023 – MAR 31, 2023 * NR – Not Reported

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VOLKSWAGEN DEALER COMMUNICATION Ensure all dealership personnel are aware of this notice so they are able to address customer questions. Contact Warranty if you require additional assistance. Direct press inquiries to Volkswagen Public Relations. Volkswagen Customer Protection 97ZZ_DLR_ADV Advance Notice – Safety Recall 97ZZ / High-Voltage Battery Management Control Module Software This notice is for:  Dealer Principal  General Manager  Sales Managers  Service Manager  Parts Manager  Service Consultant  Warranty Administrator  Technicians Date: February 06, 2023 Issue: The high voltage (HV) battery management control module may reset or, in rare events, the pulse inverter may be deactivated while driving. If the HV battery management control module resets while driving, the vehicle’s electric motor will not be supplied with power for the duration of the reset. This may lead to a loss of propulsion without pre-warning and may increase the risk of a crash. Precautions: When this situation occurs, the driver will receive an immediate warning in the instrument cluster. Customers experiencing this situation are advised to contact their authorized Volkswagen dealer without delay to schedule an appointment and have the vehicle diagnosed/repaired. Repair: • REPAIR NOT YET AVAILABLE • Check daily campaign open inventory report or OMD for affected vehicles in inventory. Affected Vehicles Country Beginning Model Year Ending Model Year Vehicle Vehicle Count USA 2021 2021 ID4 20,904 CAN 2021 2021 ID4 1,433 *Counts reflect overall population; some vehicles may have already been repaired. Check Campaigns/Actions screen in Elsa on the day of repair to verify that a VIN qualifies for repair under this action. Elsa is the only valid campaign inquiry & verification source. Notes: On December 05, 2022 Volkswagen released the first wave of software updates to a small number of 2021 model year Volkswagen ID.4 vehicles under Service Action 97FY. On January 27, 2023, the service action was paused in an effort to help improve the customer experience and to avoid requiring additional customers to make repeat trips for service. This recall will replace the service action, and will address a safety issue related to the high voltage (HV) battery management control module and pulse inverter. IMPORTANT REMINDER: VEHICLES AFFECTED BY SAFETY & COMPLIANCE RECALLS New Vehicles in Dealer Inventory: It is a violation of federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied. By law, dealers must correct, prior to delivery for sale or lease, any vehicle that fails to comply with an applicable Federal Motor Vehicle Safety Standard or that contains a defect relating to motor vehicle safety. Pre-Owned Vehicles in Dealer Inventory: Dealers should not deliver any pre-owned vehicles in their inventory which are involved in a safety or compliance recall until the defect has been remedied. -END OF MESSAGE-

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Home | VW Dealer Comms https://vw-now.com/home/feed/after-sales/1675689259 1 of 2 2/6/2023, 2:58 PM Dear Volkswagen Dealers, Today, Dealer Advance Notice was sent for ‘Safety Recall 97ZZ I Battery Management Control Unit Software’. This recall will replace service action 97FY, and will address a safety issue related to the high voltage (HV) battery management control module and pulse inverter. Click the button below to view the notice. E.ZHHM& An email will also be sent to MY21 ID.4 customers in order to provide corresponding information. You can view this email at the button below. Sincerely, Rachael Zaluzec SVP, Customer Experience & Brand Marketing Volkswagen of America Customer Email Home | VW Dealer Comms https://vw-now.com/home/feed/after-sales/1675689259 2 of 2 2/6/2023, 2:58 PM

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