WRD-23 12V Inverter Connector Corrosion – 2019-2022 Subaru Crosstrek Hybrid

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Subarunet Announcement To: All Subaru Retailers From: Subaru of America, Inc. Date: February 15, 2023 New Safety Recall: WRD-23 12V inverter connector corrosion Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2022 model year Crosstrek Hybrid vehicles. Description of the Defect and Safety Risk The harness terminal that supplies low-voltage power from the converter to the 12V battery may corrode, and over time, could cause the terminal to break. If the terminal breaks, the 12V battery may not recharge as a result of this condition. If the harness terminal breaks and the 12V battery is unable to recharge, the vehicle may experience a loss of motive power, increasing the risk of a crash. Remedy For all affected vehicles, Subaru will replace the converter terminal mounting bracket with a new bracket with improved isolation. If there is no corrosion found on the terminals of the 12V output harness, a protective rubber cap will be installed on the terminals. If corrosion is found on the terminals, Subaru dealers will replace the 12V output harness, including the terminals, with a new one. Affected Vehicles A total of 8,413 U.S. Crosstrek Hybrid vehicles will be affected by this recall, as listed below: Model Year Carline Production Date Range 2019-2022 Crosstrek Hybrid November 16, 2018 -April 8, 2022 Not all vehicles in the production range listed above are affected by this recall. Coverage must be confirmed by using the Vehicle Coverage Inquiry function on subarunet.com prior to repair. Please be advised that the initial parts supply for this recall is not yet available. Therefore the WRD23 recall coverage status for the affected VINs will be ‘Open-Remedy not yet available’ until the parts are available. We expect parts to be available by mid-March, at which time the VIN status will be updated to ‘Open’ to allow repairs to begin prior to owner notification. Service, Parts, and Claim Instructions For detailed service, parts, and claim information, please refer to the WRD-23 Product Campaign Bulletin which will be available on STIS once the initial parts inventory supply for this repair is available. Retailer Responsibility Please be advised that it is a violation of Federal law for a dealer to deliver a new motor vehicle covered by a recall under a sale or lease until the defect is remedied. Therefore, any Authorized Subaru Retailer failing to perform the applicable service procedures to correct all affected vehicles in their inventory prior to the vehicle being placed in service may be subject to civil penalties of up to $22,423 per violation (i.e., for each vehicle), as provided in 49 CFR §578.6 and will also be in breach of the Subaru Dealer Agreement. Any vehicles listed in any recall/campaign that are in retailer stock must be: ■ Immediately identified ■ Tagged or otherwise marked to prevent their delivery or use prior to repair ■ Repaired in accordance with the repair procedures outlined in the Product Campaign Bulletin Retailers are to promptly perform the applicable service procedures, to correct all affected vehicles in their inventory (used, demo & SSLP). Whenever a vehicle subject to this recall is taken into retailer inventory necessary steps should be taken to ensure the recall correction has been made before selling or releasing the vehicle. Owner Notification Subaru is in the process of obtaining current owner registration information and will notify affected vehicle owners by first class mail within 60 days. Retailers will be advised when the notification is scheduled.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-080 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Subaru of America, Inc. Submission Date : FEB 21, 2023 NHTSA Recall No. : 23V-080 Manufacturer Recall No. : WRD-23 Manufacturer Information : Manufacturer Name : Subaru of America, Inc. Address : One Subaru Drive Camden NJ 08103 Company phone : 844-373-6614 Population : Number of potentially involved : 8,413 Estimated percentage with defect : 13 % Vehicle Information : Vehicle 1 : 2019-2022 Subaru Crosstrek Hybrid Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : HYBRID ELECTRIC Descriptive Information : -Description of the issue: The harness terminal that supplies low-voltage power from the converter to the 12V battery may corrode, and over time, could cause the terminal to break. If the terminal breaks, the 12V battery may not recharge as a result of this condition. The basis for how the recall population was determined: Potentially affected vehicles were identified using vehicle production records. -How the recalled products differ from products that were not included in the recall: Vehicles not included in this recall were produced with a terminal mounting bracket that includes an insulating coating. The recall population includes 2019-2022 model year Crosstrek Hybrid vehicles. The number of potentially affected vehicles is 8,413. Production Dates : NOV 16, 2018 – APR 08, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The harness terminal that supplies low-voltage power from the converter to the 12V battery may corrode, and over time, could cause the terminal to break. FMVSS 1 : NR FMVSS 2 : NR Part 573 Safety Recall Report 23V-080 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Safety Risk : If the harness terminal breaks and the 12V battery in unable to recharge, the vehicle may experience a loss of motive power, increasing the risk of a crash. Description of the Cause : Subaru’s design did not appropriately protect the connection from the external environment, given the location and orientation of this connection. As a result, electrolytic corrosion given exposure to road salts may weaken the terminal structure causing the terminal to break or lose connection. Identification of Any Warning that can Occur : A dashboard warning light will illuminate. Involved Components : Component Name 1 : HV CORD AY PHV Component Description : Harness for 12V battery Component Part Number : 82642FL000/001 Supplier Identification : Component Manufacturer Name : Subaru Address : NR NR Country : NR Chronology : March 2021 – Subaru received a technical report indicating an abnormal drain of the 12V battery. Corrosion was noted and replacing the 12V battery harness corrected the condition. May 2021 – Subaru received an additional technical report involving an alleged loss of motive power while driving. June 2021 – Subaru opened an investigation into the root cause and further preventive measures. April 2022 – Countermeasures were introduced to the vehicle manufacturing line. May 2022 – January 2023 – Subaru continued to monitor reporting from the market. No additional technical reports were received during this period. Part 573 Safety Recall Report 23V-080 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 February 7,2023 – Based on a trend analysis of warranty data, the occurrence frequency is expected to significantly increase over the next five years, and out of an abundance of caution, Subaru decided to conduct a voluntary safety recall. Based on best engineering judgement, Subaru is aware of 9 technical reports (occurring March 2021 – November 2021) and 99 warranty claims (reviewed from Start of Production through January 2023) in the U.S. market. Subaru is not aware of any crashes or injuries resulting from this condition. Description of Remedy : Description of Remedy Program : For all affected vehicles, Subaru dealers will replace the converter terminal mounting bracket with a new bracket with improved isolation. If there is no corrosion found on the terminals of the 12V output harness, a protective rubber cap will be installed on the terminals. If corrosion is found on the terminals, Subaru dealers will replace the 12V output harness, including the terminals, with a new one. Subaru will provide reimbursement to owners for repairs according to the general plan submitted in May 2022. How Remedy Component Differs from Recalled Component : An improved bracket is manufactured with an insulating coating and a protective cap is added to the terminal to mitigate exposure to road salt. Identify How/When Recall Condition was Corrected in Production : The recall condition was corrected in production on April 6, 2022. Recall Schedule : Description of Recall Schedule : Dealer notification is expected to occur by February 15, 2023. Owner notification is scheduled to begin before April 14, 2023. Planned Dealer Notification Date : FEB 15, 2023 – FEB 15, 2023 Planned Owner Notification Date : APR 14, 2023 – APR 14, 2023 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-080 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Subaru of America, Inc. Submission Date : FEB 14, 2023 NHTSA Recall No. : 23V-080 Manufacturer Recall No. : WRD-23 Manufacturer Information : Manufacturer Name : Subaru of America, Inc. Address : One Subaru Drive Camden NJ 08103 Company phone : 844-373-6614 Population : Number of potentially involved : 8,413 Estimated percentage with defect : 13 % Vehicle Information : Vehicle 1 : 2019-2022 Subaru Crosstrek Hybrid Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : HYBRID ELECTRIC Descriptive Information : -Description of the issue: The harness terminal that supplies low-voltage power from the converter to the 12V battery may corrode, and over time, could cause the terminal to break. If the terminal breaks, the 12V battery may not recharge as a result of this condition. The basis for how the recall population was determined: Potentially affected vehicles were identified using vehicle production records. -How the recalled products differ from products that were not included in the recall: Vehicles not included in this recall were produced with a terminal mounting bracket that includes an insulating coating. The recall population includes 2019-2022 model year Crosstrek Hybrid vehicles. The number of potentially affected vehicles is 8,413. Production Dates : NOV 16, 2018 – APR 08, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The harness terminal that supplies low-voltage power from the converter to the 12V battery may corrode, and over time, could cause the terminal to break. FMVSS 1 : NR FMVSS 2 : NR Part 573 Safety Recall Report 23V-080 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Safety Risk : If the harness terminal breaks and the 12V battery in unable to recharge, the vehicle may experience a loss of motive power, increasing the risk of a crash. Description of the Cause : Subaru’s design did not appropriately protect the connection from the external environment, given the location and orientation of this connection. As a result, electrolytic corrosion given exposure to road salts may weaken the terminal structure causing the terminal to break or lose connection. Identification of Any Warning that can Occur : A dashboard warning light will illuminate. Involved Components : Component Name 1 : HV CORD AY PHV Component Description : Harness for 12V battery Component Part Number : 82642FL000/001 Supplier Identification : Component Manufacturer Name : Subaru Address : NR NR Country : NR Chronology : March 2021 – Subaru received a technical report indicating an abnormal drain of the 12V battery. Corrosion was noted and replacing the 12V battery harness corrected the condition. May 2021 – Subaru received an additional technical report involving an alleged loss of motive power while driving. June 2021 – Subaru opened an investigation into the root cause and further preventive measures. April 2022 – Countermeasures were introduced to the vehicle manufacturing line. May 2022 – January 2023 – Subaru continued to monitor reporting from the market. No additional technical reports were received during this period. Part 573 Safety Recall Report 23V-080 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 February 7,2023 – Based on a trend analysis of warranty data, the occurrence frequency is expected to significantly increase over the next five years, and out of an abundance of caution, Subaru decided to conduct a voluntary safety recall. Subaru is aware of nine technical reports in the U.S. market. Subaru is not aware of any crashes or injuries resulting from this condition. Description of Remedy : Description of Remedy Program : For all affected vehicles, Subaru dealers will replace the converter terminal mounting bracket with a new bracket with improved isolation. If there is no corrosion found on the terminals of the 12V output harness, a protective rubber cap will be installed on the terminals. If corrosion is found on the terminals, Subaru dealers will replace the 12V output harness, including the terminals, with a new one. Subaru will provide reimbursement to owners for repairs according to the general plan submitted in May 2022. How Remedy Component Differs from Recalled Component : An improved bracket is manufactured with an insulating coating and a protective cap is added to the terminal to mitigate exposure to road salt. Identify How/When Recall Condition was Corrected in Production : The recall condition was corrected in production on April 6, 2022. Recall Schedule : Description of Recall Schedule : Dealer notification is expected to occur by February 15, 2023. Owner notification is scheduled to begin before April 14, 2023. Planned Dealer Notification Date : FEB 15, 2023 – FEB 15, 2023 Planned Owner Notification Date : APR 14, 2023 – APR 14, 2023 * NR – Not Reported

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