WRB-23 – Telematics Data Communications Module Reprogramming – 2022-2023 Subaru

SEOCONTENT-START

Bulletin Number: WRB-23R; Revised: 08/01/23 Page 1 of 8 SERVICE PROGRAM BULLETIN Continued… CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS. Subaru Service Bulletins are intended for use by professional technicians ONLY. They are written to inform those technicians of conditions that may occur in some vehicles, or to provide information that could assist in the proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do the job correctly and safely. If a condition is described, DO NOT assume that this Service Bulletin applies to your vehicle, or that your vehicle will have that condition. Subaru of America, Inc. is ISO 14001 Compliant ISO 14001 is the international standard for excellence in Environmental Management Systems. Please recycle or dispose of automotive products in a manner that is friendly to our environment and in accordance with all local, state and federal laws and regulations. NUMBER: WRB-23R DATE: 02/14/23 REVISED: 08/01/23 APPLICABILITY: 2022MY Forester 2022MY WRX 2022-23MY BRZ SUBJECT: Telematics Data Communications Module Reprogramming REASON FOR THIS SERVICE PROGRAM Due to an inaccurate internal timer within the telematics data communications module (DCM), STARLINK remote services from the MySubaru app or MySubaru.com including remote engine start (RES), remote door lock/unlock request, remote horn/lights, and vehicle locator will not operate after 388 days from the date that the DCM was activated. AFFECTED VEHICLES The number of U.S. vehicles included in this service program is 114,460. Model Year Carline Production date range 2022 Forester September 23, 2021 – October 4, 2022 2022 WRX January 21, 2022 – November 2, 2022 2022-2023 BRZ September 2, 2021 – October 3, 2022 Not all vehicles in the production date range listed above may be included in this service program. Coverage for all affected vehicles must be confirmed by using the Vehicle Coverage Inquiry function on subarunet.com. This information is now available. Please note that this service program replaces technical service bulletin TSB 15-306-22, and involves the same procedure described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. DESCRIPTION OF THE REPAIR Subaru retailers will reprogram the telematics DCM at no cost to the customer. Update June 30, 2023: Please be advised that an Over-the-Air (OTA) update for this repair began on June 30, 2023, and will be launched in five weekly phases. Therefore, it is imperative that you check the VIN status for WRB23 coverage prior to performing any inspection, to ensure the WRB23 coverage is still ‘Open.’ If the status is showing ‘Completed’ no further action is necessary. ATTENTION: GENERAL MANAGER q PARTS MANAGER q CLAIMS PERSONNEL q SERVICE MANAGER q IMPORTANT – All Service Personnel Should Read and Initial in the boxes provided, right. ©2023 Subaru of America, Inc. All rights reserved. Bulletin Number: WRB-23R; Revised: 08/01/23 Page 2 of 8 Continued… RETAILER RESPONSIBILITY Any vehicles listed in any recall or 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 bulletin Retailers are to promptly perform the applicable service procedures, to correct all affected vehicles in their inventory (new, used, demo & SSLP). Additionally, whenever a vehicle subject to this service program is taken into inventory or in for service, necessary steps should be taken to ensure the repair has been made before selling or releasing the vehicle. OWNER NOTIFICATION Owners were notified by first class mail in March of 2023, and by Email starting in June of 2023. Retailers have been advised of owner notifications. As mentioned previously, this service program replaces technical service bulletin 15-306-22, and involves an updated procedure of the one described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. However, due to claim submission timing and owner notification timing, it is possible that some vehicles that already received the DCM reprogramming have been included in this campaign. Those vehicles should not be updated a second time. If, in response to the owner notification letter, email, retailer outreach, or push notifications for this service program, a customer informs your personnel that they have already had this repair performed at a retailer or via FOTA, please verify the repair history of the VIN. If it is confirmed that the DCM reprogramming was already performed, please contact the SOA Claims Helpline at 1-866-SUBARU2 (1-866-782-2782) for assistance in closing WRB23 service program coverage for that vehicle if needed.. PAK FILE APPLICABILITY: MY Model File Description Old Part # Decryption Keyword New Software Version 2022 Forester 86222SJ200.pk2 86222SJ200/210 82E47A9D DCM_30.12.71_20220607 2022 WRX 86222VC000.pk2 86222VC000/010 A1D41524 DCM_30.12.71_20220607 PFC FILE APPLICABILITY: MY Model File Description Old Part # New Software Version 22-23 BRZ 86222CC010.pfc 86222CC010 DCM_30.12.71_20220607 Detailed information regarding the SSM5-R reprogramming procedures can be found in TSB 14-28-21. Bulletin Number: WRB-23R; Revised: 08/01/23 Page 3 of 8 Continued… SERVICE PROCEDURE / INFORMATION: IMPORTANT: This procedure applies to subscribed and unsubscribed vehicles. Update June 30, 2023: The DCM Over-The-Air (OTA) update was launched on June 30th, 2023. After this date, there will be a phased approach to update the DCM with the WRB-23 software using the OTA method for subscribed customers. A situation may occur when a vehicle affected by WRB-23 may have the updated software from the OTA update. Therefore, it is imperative that you check the VIN status for WRB23 coverage prior to performing any inspection, to ensure the WRB23 coverage is still ‘Open.’ If the status is showing ‘Completed’ no further action is necessary. STEP 1: Connect the applicable Subaru Select Monitor (SSM) to the vehicle. Read the Software Information of the DCM. Record this information for confirmation after reprogramming is performed. STEP 2: Is version “DCM_30.12.71_20220607” found? YES – The vehicle has the latest software. Continue diagnosis using the applicable Service Manual. NO – Record and attach the current software status. Proceed to STEP 3. STEP 3: Connect the vehicle to a power supply. Subaru of America, Inc. (SOA) highly recommends utilizing either the Subaru Midtronics DCA8000 Dynamic Diagnostic Charging System or the Subaru Midtronics GR8-1100 Diagnostic Battery Charger to the vehicle in the Power Supply Mode feature anytime a vehicle control module is being reprogrammed. Once the Midtronics charger is connected to the vehicle, if the battery is fully charged, it will take less than three (3) minutes to boot-up the charger, select the Power Supply Mode, and have the battery voltage stabilized and ready for reprogramming. NOTES: • For instructions on using the Power Supply Mode, reference the applicable User Manual for the Midtronics DCA-8000 Dynamic Diagnostic Charging System and the Midtronics GR8-1100 Diagnostic Battery Charger on STIS. • Confirm all electrical loads such as lights, audio, HVAC, seat heaters, and rear defroster are all switched OFF before setting up the charger for Power Supply Mode. • Select the correct battery type (Enhanced Flooded, Flooded, Gel, AGM or AGM Spiral). • Input the CCA which matches the vehicle’s battery. NOTE: OE and replacement batteries have different CCA ratings. Always confirm the battery’s CCA rating before proceeding. Bulletin Number: WRB-23R; Revised: 08/01/23 Page 4 of 8 Continued… • If using a DCA-8000 Dynamic Diagnostic Charging System, set the power supply voltage to 13.5 Volts. • DO NOT connect the DST-i or DST-010 until the Power Supply mode function has completed its battery test mode and the Charging Voltage has dropped to and shows a steady 13.5 Volts on the display. • Once Power Supply Mode reaches a steady 13.5 Volts, connect the DST-i or DST-010 to the OBD connector and proceed with initiating the normal FlashWrite reprogramming process. • Amperage will fluctuate based upon the vehicle’s demand for power. NOTE: If the voltage rises beyond 14 Volts while programming is in process, the procedure will abort. This can indicate a need to test or charge the vehicle battery before any further attempt at programming is made. • ALWAYS set the power supply voltage to 13.5 Volts when using Power Supply Mode. NEVER turn the ignition switch on when charging at voltages 15 Volts or higher. REMINDER: If the DCA-8000 or GR8-1100 indicates the vehicle’s battery must be charged, charge the battery fully before proceeding to reprogram the vehicle while using the Power Supply Mode. IMPORTANT: The Data Control Module number shown in the “Data Monitor “of SSM may differ from the actual part number (due to SSM specifications.) Unless SSM indicated the module in the vehicle is not applicable for reprogramming or the module is already updated, continue with the reprogramming procedure. It is possible for FlashWrite2 to display a model type other than the one being reprogrammed. This is not a cause of concern. STEP 4: Switch the ignition switch to the “ON” position and wait for at least five minutes or more. STEP 5: Perform DCM reprogramming. • For Forester and WRX models, reprogram the DCM using the normal FlashWrite procedure. • For BRZ models, reprogram DCM following the normal SSM5-R procedure. Additional information regarding the SSM5-R reprogramming procedures can be found in TSB 14-28-21. STEP 6: Once successful reprogramming is complete, perform the following: • Switch the ignition to the “OFF” position. • Disconnect all charging equipment. • Close the hood. • Close all doors with the windows down. Bulletin Number: WRB-23R; Revised: 08/01/23 Page 5 of 8 Continued… STEP 7: Wait approximately three minutes and confirm the green LED located next to the ibutton on the Eyesight Camera cover is NOT illuminated. STEP 8: Once the LED is confirmed to be OFF, wait an additional five minutes or more. STEP 9: Using the applicable SSM, read the Software Information of the DCM. STEP 10: Is version “DCM_30.12.71_20220607” found? YES – Continue to STEP 11. NO – Repeat STEP 6 and continue. STEP 11: Does the vehicle have an active STARLINK subscription? YES – Proceed to STEP 12. NO – The procedure is COMPLETE. NOTE: Control module failures resulting from battery discharge during reprogramming are not a matter for warranty. Should any DTCs reset after the reprogramming update is performed, diagnose per the procedure outlined in the applicable Service Manual. STEP 12: Perform multiple telematics service requests such as RES, door locks, etc. All service requests should complete without an error message and perform as expected. If the results are unsuccessful, perform the diagnosis procedures outlined in the applicable Service Manual. NOTE: Push button function testing of the iButton or SOS buttons is not a valid test of this repair. No vehicle should be released to the customer without confirmation of a successful repair. Confirmed remote STARLINK® service operation requests are the ONLY confirmation of this repair. Bulletin Number: WRB-23R; Revised: 08/01/23 Page 6 of 8 Continued… VERY IMPORTANT: This information is applicable to the Subaru Midtronics DCA-8000 Dynamic Diagnostic Charging System and the Subaru Midtronics GR8-1100 Diagnostic Battery Charger ONLY. It does not apply to any other brand / type of “generic” battery charger whatsoever. ONLY the DCA-8000 and the GR8- 1100 and their Power Supply Mode feature have been tested and approved by SOA. CLAIM REIMBURSEMENT AND ENTRY PROCEDURES: Credit to perform this recall will be based on properly completed repair order information. Retailers may submit claims through Subarunet.com. Labor Description Labor Operation # Labor Time Fail Code TELEMATICS DCM ID CHECK B167-900 0.2 WRB-23 TELEMATICS DCM REPROGRAMING C167-908 0.4 IMPORTANT: Always note the NEW DCM Software Version for any newly-installed programming (as confirmed from the actual control module AFTER installation). The NEW Software Version MUST be noted on the repair order as this information is required for entry in the Miscellaneous Detail field during claim submission. SERVICE PROGRAM IDENTIFICATION LABEL: Type or print the necessary information on a Campaign Identification Label. The completed label should be attached to the vehicle’s upper radiator support. Additional labels are available through normal parts ordering channels. The part number is MSA6P1302, which comes as one sheet of 20 labels. Part Number Applicability Description Order Quantity MSA6P1302 All models Campaign Completion Labels (contains one sheet of 20 labels) 1 WRB-23 IMPORTANT REMINDERS: • SOA strongly discourages the printing and/or local storage of service information as previously released information and electronic publications may be updated at any time. • Always check for any open recalls or campaigns anytime a vehicle is in for servicing. • Always refer to STIS for the latest service information before performing any repairs. Bulletin Number: WRB-23R; Revised: 08/01/23 Page 7 of 8 Continued… Owner Email Notification Example: Hello Subaru Owner, Great news! Soon, your 2022 Forester will receive a new software update for your telematics Data Communication Module (DCM). This update is a supplement to the Subaru Service Program WRB-23 and is included as part of your existing SUBARU STARLINK Safety Plan at no cost to you. Reason for this Service Program Due to an inaccurate internal timer within the telematics data communications module (DCM), STARLINK remote services from the MySubaru app or MySubaru.com including remote engine start (RES), remote door lock/unlock request, remote horn/lights, and vehicle locator will not operate after 388 days from the date that the DCM was activated. Updating your in-vehicle software will enhance the functionality of your system and improve your driving experience. To complete this update, you will need to accept the software update invitation that is displayed on the in-vehicle touchscreen. From there, you will follow the prompts in your vehicle to complete the update. The installation of your new software will take place when your ignition is OFF and will take approximately 15-20 minutes to complete. You can bypass the installation process twice before your vehicle will automatically install the updated software. Please note: An automatic download may cause certain STARLINK Safety Plan services, including automatic collision notification, to be temporarily unavailable during the software update. This software update will run until the end of November. Frequently Asked Questions – DCM Software Updates What are vehicle software updates? SUBARU STARLINK is always working to provide our customers with a better ownership experience by providing a SUBARU STARLINK System Update for your vehicle. This update ensures that your vehicle is up to date by providing an easy and convenient update process. Software updates are not all created equally. Your vehicle might receive an in-vehicle touchscreen display update or a Data Communication Module (DCM) software update. Each type of update may provide a slightly unique experience related to acceptance and communication of the software update. The SUBARU STARLINK System Update is currently used to improve the SUBARU STARLINK system which includes STARLINK Safety and Security Subscription Services and multimedia services. Bulletin Number: WRB-23R; Revised: 08/01/23 Page 8 of 8 How do vehicle software updates work? When an update is available, you will be prompted on your in-vehicle touchscreen display to begin the software download process when you turn your ignition OFF. Accepting the invitation will begin the software download. From there, the update file will be downloaded to your vehicle. You will be provided with the opportunity to allow the update to install or to postpone the installation for up to two times before it will automatically install. When the update process is complete, a completion screen will display on your vehicle’s head unit and the green status light on the overhead console will illuminate. How will I know that the STARLINK System Update has arrived in my vehicle for download? When you turn your vehicle off you will see an invitation to install new software. You will have the option to “Install Now” or delay the installation process two times before it will automatically install. What if I don’t see the update? Good News! If you don’t see the in-vehicle invitation to download new software, your retailer may have already updated your software for you! For additional support and assistance, reach out to Subaru Customer Support at 1-800-SUBARU3 (800-782-2783) Enjoy your new software and happy updating! Your Friends at Subaru

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Bulletin Number: WRB-23R; Revised: 3/27/23 Page 1 of 8 SERVICE PROGRAM BULLETIN Continued… CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS. Subaru Service Bulletins are intended for use by professional technicians ONLY. They are written to inform those technicians of conditions that may occur in some vehicles, or to provide information that could assist in the proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do the job correctly and safely. If a condition is described, DO NOT assume that this Service Bulletin applies to your vehicle, or that your vehicle will have that condition. Subaru of America, Inc. is ISO 14001 Compliant ISO 14001 is the international standard for excellence in Environmental Management Systems. Please recycle or dispose of automotive products in a manner that is friendly to our environment and in accordance with all local, state and federal laws and regulations. NUMBER: WRB-23R DATE: 02/14/23 REVISED: 03/27/23 APPLICABILITY: 2022MY Forester 2022MY WRX 2022-23MY BRZ SUBJECT: Telematics Data Communications Module Reprogramming REASON FOR THIS SERVICE PROGRAM Due to an inaccurate internal timer within the telematics data communications module (DCM), STARLINK remote services from the MySubaru app or MySubaru.com including remote engine start (RES), remote door lock/unlock request, remote horn/lights, and vehicle locator will not operate after 388 days from the date that the DCM was activated. AFFECTED VEHICLES The number of U.S. vehicles included in this service program is 114,460. Model Year Carline Production date range 2022 Forester September 23, 2021 – October 4, 2022 2022 WRX January 21, 2022 – November 2, 2022 2022-2023 BRZ September 2, 2021 – October 3, 2022 Not all vehicles in the production date range listed above may be included in this service program. Coverage for all affected vehicles must be confirmed by using the Vehicle Coverage Inquiry function on subarunet.com. This information is now available. Please note that this service program replaces technical service bulletin TSB 15-306-22, and involves the same procedure described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. DESCRIPTION OF THE REPAIR Subaru retailers will reprogram the telematics DCM at no cost to the customer. ATTENTION: GENERAL MANAGER q PARTS MANAGER q CLAIMS PERSONNEL q SERVICE MANAGER q IMPORTANT – All Service Personnel Should Read and Initial in the boxes provided, right. ©2023 Subaru of America, Inc. All rights reserved. Bulletin Number: WRB-23R; Revised: 3/27/23 Page 2 of 8 Continued… RETAILER RESPONSIBILITY Any vehicles listed in any recall or 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 bulletin Retailers are to promptly perform the applicable service procedures, to correct all affected vehicles in their inventory (new, used, demo & SSLP). Additionally, whenever a vehicle subject to this service program is taken into inventory or in for service, necessary steps should be taken to ensure the repair has been made before selling or releasing the vehicle. OWNER NOTIFICATION Owners will be notified by first class mail, and retailers will be advised when that owner notification is scheduled. As mentioned previously, this service program replaces technical service bulletin 15-306-22, and involves the same procedure described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. However, due to claim submission timing and owner notification timing, it is possible that some vehicles that already received the DCM reprogramming have been included in this campaign. Those vehicles should not be updated a second time. If, in response to the owner notification letter, retailer outreach, or push notifications for this service program, a customer informs your personnel that they have already had this repair performed, please verify the repair history of the VIN. If it is confirmed that the DCM reprogramming was already performed, please contact the SOA Claims Helpline at 1-866-SUBARU2 (1-866-782-2782) for assistance in closing WRB23 service program coverage for that vehicle. PAK FILE APPLICABILITY: MY Model File Description Old Part # Decryption Keyword New Software Version 2022 Forester 86222SJ200.pk2 86222SJ200/210 82E47A9D DCM_30.12.71_20220607 2022 WRX 86222VC000.pk2 86222VC000/010 A1D41524 DCM_30.12.71_20220607 PFC FILE APPLICABILITY: MY Model File Description Old Part # New Software Version 22-23 BRZ 86222CC010.pfc 86222CC010 DCM_30.12.71_20220607 Detailed information regarding the SSM5-R reprogramming procedures can be found in TSB 14-28-21. Bulletin Number: WRB-23R; Revised: 3/27/23 Page 3 of 8 Continued… SERVICE PROCEDURE / INFORMATION: IMPORTANT: This procedure applies to subscribed and unsubscribed vehicles. STEP 1: Connect the applicable Subaru Select Monitor (SSM) to the vehicle. Read the Software Information of the DCM. Record this information for confirmation after reprogramming is performed. STEP 2: Is version “DCM_30.12.71_20220607” found? YES – The vehicle has the latest software. Continue diagnosis using the applicable Service Manual. NO – Record and attach the current software status. Proceed to STEP 3. STEP 3: Connect the vehicle to a power supply. Subaru of America, Inc. (SOA) highly recommends utilizing either the Subaru Midtronics DCA8000 Dynamic Diagnostic Charging System or the Subaru Midtronics GR8-1100 Diagnostic Battery Charger to the vehicle in the Power Supply Mode feature anytime a vehicle control module is being reprogrammed. Once the Midtronics charger is connected to the vehicle, if the battery is fully charged, it will take less than three (3) minutes to boot-up the charger, select the Power Supply Mode, and have the battery voltage stabilized and ready for reprogramming. NOTES: • For instructions on using the Power Supply Mode, reference the applicable User Manual for the Midtronics DCA-8000 Dynamic Diagnostic Charging System and the Midtronics GR8-1100 Diagnostic Battery Charger on STIS. • Confirm all electrical loads such as lights, audio, HVAC, seat heaters, and rear defroster are all switched OFF before setting up the charger for Power Supply Mode. • Select the correct battery type (Enhanced Flooded, Flooded, Gel, AGM or AGM Spiral). • Input the CCA which matches the vehicle’s battery. NOTE: OE and replacement batteries have different CCA ratings. Always confirm the battery’s CCA rating before proceeding. • If using a DCA-8000 Dynamic Diagnostic Charging System, set the power supply voltage to 13.5 Volts. • DO NOT connect the DST-i or DST-010 until the Power Supply mode function has completed its battery test mode and the Charging Voltage has dropped to and shows a steady 13.5 Volts on the display. • Once Power Supply Mode reaches a steady 13.5 Volts, connect the DST-i or DST-010 to the OBD connector and proceed with initiating the normal FlashWrite reprogramming process. Bulletin Number: WRB-23R; Revised: 3/27/23 Page 4 of 8 Continued… • Amperage will fluctuate based upon the vehicle’s demand for power. NOTE: If the voltage rises beyond 14 Volts while programming is in process, the procedure will abort. This can indicate a need to test or charge the vehicle battery before any further attempt at programming is made. • ALWAYS set the power supply voltage to 13.5 Volts when using Power Supply Mode. NEVER turn the ignition switch on when charging at voltages 15 Volts or higher. REMINDER: If the DCA-8000 or GR8-1100 indicates the vehicle’s battery must be charged, charge the battery fully before proceeding to reprogram the vehicle while using the Power Supply Mode. STEP 4: Switch the ignition switch to the “ON” position and wait for at least five minutes or more. STEP 5: Perform DCM reprogramming. • For Forester and WRX models, reprogram the DCM using the normal FlashWrite procedure. • For BRZ models, reprogram DCM following the normal SSM5-R procedure. Additional information regarding the SSM5-R reprogramming procedures can be found in TSB 14-28-21. STEP 6: Once successful reprogramming is complete, perform the following: • Switch the ignition to the “OFF” position. • Disconnect all charging equipment. • Close the hood. • Close all doors with the windows down. STEP 7: Wait approximately three minutes and confirm the green LED located next to the ibutton on the Eyesight Camera cover is NOT illuminated. STEP 8: Once the LED is confirmed to be OFF, wait an additional five minutes or more. STEP 9: Using the applicable SSM, read the Software Information of the DCM. Bulletin Number: WRB-23R; Revised: 3/27/23 Page 5 of 8 Continued… STEP 10: Is version “DCM_30.12.71_20220607” found? YES – Continue to STEP 11. NO – Repeat STEP 6 and continue. STEP 11: Does the vehicle have an active STARLINK subscription? YES – Proceed to STEP 12. NO – The procedure is COMPLETE. NOTE: Control module failures resulting from battery discharge during reprogramming are not a matter for warranty. Should any DTCs reset after the reprogramming update is performed, diagnose per the procedure outlined in the applicable Service Manual. STEP 12: Perform multiple telematics service requests such as RES, door locks, etc. All service requests should complete without an error message and perform as expected. If the results are unsuccessful, perform the diagnosis procedures outlined in the applicable Service Manual. NOTE: Push button function testing of the iButton or SOS buttons is not a valid test of this repair. No vehicle should be released to the customer without confirmation of a successful repair. Confirmed remote STARLINK® service operation requests are the ONLY confirmation of this repair. VERY IMPORTANT: This information is applicable to the Subaru Midtronics DCA-8000 Dynamic Diagnostic Charging System and the Subaru Midtronics GR8-1100 Diagnostic Battery Charger ONLY. It does not apply to any other brand / type of “generic” battery charger whatsoever. ONLY the DCA-8000 and the GR8- 1100 and their Power Supply Mode feature have been tested and approved by SOA. CLAIM REIMBURSEMENT AND ENTRY PROCEDURES: Credit to perform this recall will be based on properly completed repair order information. Retailers may submit claims through Subarunet.com. Labor Description Labor Operation # Labor Time Fail Code TELEMATICS DCM ID CHECK B167-900 0.2 WRB-23 TELEMATICS DCM REPROGRAMING C167-908 0.4 IMPORTANT: Always note the NEW DCM Software Version for any newly-installed programming (as confirmed from the actual control module AFTER installation). The NEW Software Version MUST be noted on the repair order as this information is required for entry in the Miscellaneous Detail field during claim submission. Bulletin Number: WRB-23R; Revised: 3/27/23 Page 6 of 8 Continued… SERVICE PROGRAM IDENTIFICATION LABEL: Type or print the necessary information on a Campaign Identification Label. The completed label should be attached to the vehicle’s upper radiator support. Additional labels are available through normal parts ordering channels. The part number is MSA6P1302, which comes as one sheet of 20 labels. Part Number Applicability Description Order Quantity MSA6P1302 All models Campaign Completion Labels (contains one sheet of 20 labels) 1 WRB-23 IMPORTANT REMINDERS: • SOA strongly discourages the printing and/or local storage of service information as previously released information and electronic publications may be updated at any time. • Always check for any open recalls or campaigns anytime a vehicle is in for servicing. • Always refer to STIS for the latest service information before performing any repairs. Bulletin Number: WRB-23R; Revised: 3/27/23 Page 7 of 8 Subaru Service Program WRB-23 March 2023 This notice applies to the VIN identified in the address section printed below Dear Subaru Owner: We would like to thank you for your selection of a Subaru vehicle. We take pride in our products and are committed to your continued satisfaction. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program for certain 2022 model year Forester, 2022 model year WRX, and 2022-2023 model year BRZ vehicle equipped with STARLINK® In-Vehicle Technology. You have received this notice because our records indicate that you currently own one of these vehicles. REASON FOR THIS SERVICE PROGRAM Due to an inaccurate internal timer within the telematics data communications module (DCM), STARLINK remote services from the MySubaru app or MySubaru.com including remote engine start (RES), remote door lock/unlock request, remote horn/lights, and vehicle locator will not operate after 388 days from the date that the DCM was activated. REPAIR Subaru retailers will reprogram the telematics DCM at no cost to you. WHAT YOU SHOULD DO Please contact your Subaru retailer for an appointment to have this repair performed. HOW LONG WILL THE REPAIR TAKE? The actual time to perform this repair is less than 30 minutes. Your retailer can provide you with a better estimate of the overall time for this service visit, as it may be necessary to make your vehicle available for a longer period of time for scheduling purposes. CHANGED YOUR ADDRESS OR SOLD YOUR SUBARU? If you have moved or sold your vehicle, please update this information online at www.subaru.com, select ‘Customer Support,’ then select ‘Address Update’ or ‘Ownership Update’ from the ‘Quick Links’ menu. Continued… Bulletin Number: WRB-23R; Revised: 3/27/23 Page 8 of 8 A subsidiary of SUBARU CORPORATION IF YOU NEED FURTHER ASSISTANCE: To locate the nearest Subaru retailer, you can access our website at www.subaru.com and select ‘Find a Retailer.’ For additional information, please go to: http://www.wrb23.service-campaign.com. If you need additional assistance, please contact us directly: • By e-mail: Go to www.subaru.com, Customer Support and select ‘Contact Us’ • By telephone: 1-844-373-6614 Monday through Friday between 8:00 a.m. and 7:00 p.m. ET • By U.S. Postal mail: Write us at Subaru of America, Inc., Attn: Customer Advocacy Department, P.O. Box 9103, Camden, NJ 08101-9877 Please contact us immediately if the Subaru retailer fails or is unable to make the necessary repairs free of charge. Your continued satisfaction with your Subaru is important to us. Please understand that we have taken this action in the interest of your vehicle’s proper operation. We sincerely apologize for any inconvenience this matter may cause and urge you to schedule an appointment as soon as possible to have this repair performed. Sincerely, Subaru of America, Inc.

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Subarunet Announcement To: All Subaru Retailers From: Subaru of America, Inc. Date: February 27, 2023 UPDATE Subaru Service Program: WRB-23 –Telematics DCM reprogramming Owner Notification Owners will be notified by first class mail on March 10, 2023. As a reminder, retailers may access their open affected VIN list for any recall or campaign on subarunet.com, under Recalls & Campaigns/Recall Affected VIN List. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program for certain 2022 model year Forester, 2022 model year WRX, and 2022-2023 model year BRZ vehicle equipped with STARLINK® In-Vehicle Technology. Reason for this Service Program Due to an inaccurate internal timer within the telematics data communications module (DCM), STARLINK remote services from the MySubaru app or MySubaru.com including remote engine start (RES), remote door lock/unlock request, remote horn/lights, and vehicle locator will not operate after 388 days from the date that the DCM was activated. Affected Vehicles The number of U.S. vehicles included in this service program is 114,460. Not all vehicles in the production date range listed above may be included in this service program. Coverage for all affected vehicles must be confirmed by using the Vehicle Coverage Inquiry function on subarunet.com. This information is now available. Please note that this service program replaces technical service bulletin TSB 15-306-22, and involves the same procedure described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. Description of the Repair Subaru retailers will reprogram the telematics DCM at no cost to the customer. Retailer Responsibility Any vehicles listed in any recall or campaign that are in retailer stock must be: • Immediately identified Model Year Carline Production date range 2022 Forester September 23, 2021 – October 4, 2022 2022 WRX January 21, 2022 – November 2, 2022 2022-2023 BRZ September 2, 2021 – October 3, 2022 • Tagged or otherwise marked to prevent their delivery or use prior to repair • Repaired in accordance with the repair procedures outlined in the bulletin Retailers are to promptly perform the applicable service procedures, to correct all affected vehicles in their inventory (new, used, demo & SSLP). Additionally, whenever a vehicle subject to this service program is taken into inventory or in for service, necessary steps should be taken to ensure the repair has been made before selling or releasing the vehicle. Parts, Service, and Claim Information Please refer to the WRB-23 Service Program Bulletin on STIS for detailed service and claim information. As mentioned previously, this service program replaces technical service bulletin 15-306-22, and involves the same procedure described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. However, due to claim submission timing and owner notification timing, it is possible that some vehicles that already received the DCM reprogramming have been included in this campaign. Those vehicles should not be updated a second time. If, in response to the owner notification letter, retailer outreach, or push notifications for this service program, a customer informs your personnel that they have already had this repair performed, please verify the repair history of the VIN. If it is confirmed that the DCM reprogramming was already performed, please contact the SOA Claims Helpline at 1-866-SUBARU2 (1-866-782-2782) for assistance in closing WRB23 service program coverage for that vehicle.

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Subarunet Announcement To: All Subaru Retailers From: Subaru of America, Inc. Date: February 13, 2023 New Subaru Service Program: WRB-23 –Telematics DCM reprogramming In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program for certain 2022 model year Forester, 2022 model year WRX, and 2022-2023 model year BRZ vehicle equipped with STARLINK® In-Vehicle Technology. Reason for this Service Program Due to an inaccurate internal timer within the telematics data communications module (DCM), STARLINK remote services from the MySubaru app or MySubaru.com including remote engine start (RES), remote door lock/unlock request, remote horn/lights, and vehicle locator will not operate after 388 days from the date that the DCM was activated. Affected Vehicles The number of U.S. vehicles included in this service program is 114,460. Not all vehicles in the production date range listed above may be included in this service program. Coverage for all affected vehicles must be confirmed by using the Vehicle Coverage Inquiry function on subarunet.com. This information is now available. Please note that this service program replaces technical service bulletin TSB 15-306-22, and involves the same procedure described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. Description of the Repair Subaru retailers will reprogram the telematics DCM at no cost to the customer. Retailer Responsibility Any vehicles listed in any recall or 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 bulletin Retailers are to promptly perform the applicable service procedures, to correct all affected vehicles in their inventory (new, used, demo & SSLP). Additionally, whenever a vehicle subject to this service program is taken into inventory or in for service, necessary steps should be taken to ensure the repair has been made before selling or releasing the vehicle. Model Year Carline Production date range 2022 Forester September 23, 2021 – October 4, 2022 2022 WRX January 21, 2022 – November 2, 2022 2022-2023 BRZ September 2, 2021 – October 3, 2022 Owner Notification Owners will be notified by first class mail, and retailers will be advised when that owner notification is scheduled. Parts, Service, and Claim Information Please refer to the WRB-23 Service Program Bulletin on STIS for detailed service and claim information. As mentioned previously, this service program replaces technical service bulletin 15-306-22, and involves the same procedure described in that bulletin. Based on warranty claim history information at the time of this announcement, VINs showing that repair were not included in this service program. However, due to claim submission timing and owner notification timing, it is possible that some vehicles that already received the DCM reprogramming have been included in this campaign. Those vehicles should not be updated a second time. If, in response to the owner notification letter, retailer outreach, or push notifications for this service program, a customer informs your personnel that they have already had this repair performed, please verify the repair history of the VIN. If it is confirmed that the DCM reprogramming was already performed, please contact the SOA Claims Helpline at 1-866-SUBARU2 (1-866-782-2782) for assistance in closing WRB23 service program coverage for that vehicle.

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