Engine Stall From Ignition Timing Software Error – 2020-2022 Honda GL1800 Gold Wing Motorcycles

Dealers will update the ECU software, free of charge. Owner notification letters were mailed July 28, 2022. Owners may contact American Honda Motor Co customer service at 1-866-784-1870.

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Service Bulletin American Honda Motor Co .. Inc. SAFETY RECALL GL1800/B #26 June 2022 2020 through 2022 GL1800/B – ECU Update BACKGROUND Honda is launching a SAFETY RECALL on CERTAIN 2020 through 2022 GL1800/B vehicles to update the ECU for a potential defect that may result in engine stalling, increasing the risk of crash or injury. AFFECTED UNITS CERTAIN NEW or USED 2020 thru 2022 GL1800/B. To search for applicable recall on a specific unit, you MUST use Unit Information on iN available June 21, 2022. To manage your affected inventory, use your dealer eResponsibility Report on iN available June 22, 2022. DEALER INVENTORY As of June 21, 2022, YOU MUST NOT SELL any affected NEW OR USED motorcycle in the AFFECTED UNIT section until it is repaired, according to this Service Bulletin. • To search for applicable recalls on a specific unit, you must use Unit Information on iN, available June 21, 2022. • To manage your affected inventory, refer to eResponsibility Report on iN, available June 22, 2022. PARTS INFORMATION There are no parts necessary for this repair. REPAIR PROCEDURE The complete Service Bulletin with repair procedure, parts information, as well as warranty claim information is expected to be available on iN by the end of business Wednesday, June 29, 2022. DEALER REPAIR RESPONSIBILITY • Safety Recall repairs must be performed by a qualified technician. • Installing the remedy parts exactly as shown in Repair Procedure instructions is critical for the recall remedy to be effective. Carefully follow all instructions. • Service Management should inspect and confirm the repair. • Dealer submission of a warranty claim affirms this safety recall was properly performed. ©2022 American Honda Motor Co., Inc. – All Rights Reserved 1 of 1 MTB 17853 (2206) CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment, and training to correctly and safely maintain your Honda. These procedures should not be attempted by any other individuals and you should not assume this bulletin applies to your Honda, or that your Honda has the condition described. To determine whether this information applies, contact an authorized Honda dealer.

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NHTSA Recall Number: 22V-449 Honda Campaign Number: KN5 Service Bulletin Number: MTB17853 August 2022 Dear This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Honda has decided that a defect which relates to motor vehicle safety exists in certain 2020-2022 model year GL1800 Gold Wing motorcycles. Why my vehicle is under recall: Due to improper engine control unit (ECU) software on manual transmission vehicles, the ignition timing control may delay the timing, resulting in reduced engine performance. Safety Consequence Reduced engine performance may cause the engine to stall, increasing the risk of a crash or injury. What Honda will do: Your Honda Powersports dealer will reprogram the ECU, for FREE. Honda estimates that the repair will take approximately 30 minutes to complete. However, your dealer 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. What we need you to do: hedule an appointment to have California Owners Only The DMV will not renew your vehicle’s registration until this emissions recall has been completed. After completing the repair procedure, your dealer will give you a Vehicle Emission Recall – Proof of Correction certificate. Please make sure the dealer completes and provides you the certificate. Keep the certificate for your records as proof that the emissions recall was completed. Submit the certificate to the DMV only if the DMV requests it. Emission Warranty In order to ensure your full protection under the emission warranty provisions, it is recommended that you have your vehicle repaired as soon as possible. Failure to do so could be determined as lack of proper maintenance. • Check recall information for your motorcycle by accessing the Honda Recall Lookup tool at https://powersports.honda.com/recalls and entering your Vehicle Identification Number (VIN). • If you have questions or concerns, we encourage you to: o visit https://powersports.honda.com/recalls; or o contact your local Honda Powersports dealer; or o send Customer Relations a message via https://powersports.honda.com/contact-us; or o call American Honda’s Powersports Customer Relations at 1-866-784-1870 Monday through Friday, 8:30 a.m. to 4:30 p.m., Pacific Time. If you paid out of pocket to have these specific recall repairs performed on your vehicle, you may be eligible for reimbursement; please contact American Honda’s Powersports Customer Relations at 1-866-784-1870 to determine potential eligibility and for instructions on how to request reimbursement. If you no longer own this vehicle or if any of the information is not correct, please complete and return the enclosed prepaid Information Change Card as soon as possible. If you are a lessor of this vehicle, federal regulations require you to forward this notice to your lessee within ten days. If you believe that American Honda or the dealer has failed or is unable to remedy the defect in your vehicle, without charge and within a reasonable period of time (60 days from the date you first contact the dealer for a repair appointment), you may submit a complaint to the Administrator, National Highway Traffic Safety Administration (NHTSA), 1200 New Jersey Ave., SE, Washington, DC 20590. Alternatively, you may call the NHTSA toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to http://www.safercar.gov. We sincerely apologize for any inconvenience this recall may cause, but please be assured that your safety is our first concern. Sincerely, American Honda Motor Co., Inc. your vehicle repaired for FREE. If you are not the only rider of this vehicle, please advise all other riders and passengers of this important informatio 0000024 0000001 , NHTSA Recall Number: 22V-449 Honda Campaign Number: KN5 Service Bulletin Number: MTB17853 Agosto de 2022 Estimado, Le enviamos este aviso de acuerdo con la National Traffic and Motor Vehicle Safety Act (Ley Nacional de Transito y Seguridad de Vehfculos Motorizados). Honda ha determinado que existe un defecto relacionado con la seguridad de vehfculos motorizados en ciertas motocicletas GL 1800 Gold Wing modelo 2020-2022. Por que mi vehiculo esta involucrado en una campafia: Debido al software inadecuado de la unidad de control del motor (ECU) en los vehfculos con transmisi6n manual, es posible que el control de sincronizaci6n de encendido produzca un retraso en la sincronizaci6n, que puede dar lugar a un menor rendimiento del motor. Consecuencia de seguridad Un menor rendimiento del motor puede hacer que el motor se cale, lo que aumenta el riesgo de choques o lesiones. Que hara Honda: Su concesionario de Honda Powersports reprogramara la ECU GRATIS. Honda calcula que la reparaci6n tardara aproximadamente 30 minutos en completarse. Sin embargo, su concesionario puede brindarle un mejor calculo de la cantidad de tiempo total para esta visita de servicio, ya que podrfa ser necesario que deje su motocicleta por un perfodo mas prolongado. Que debe hacer usted: Solo para propietarios en California La Divisi6n de Vehfculos Motorizados (DMV) no renovara su registro hasta una vez finalizada la campana. Despues de terminar el proceso de reparaci6n, el concesionario le entregara un certificado de Campana relacionada con el nivel de emisiones – Comprobante de correcci6n. Asegurese de que el concesionario complete y le entregue el certificado. Conserve el certificado en su archivo como comprobante de realizaci6n de la campana relacionada con las emisiones. Presente el certificado a la DMV solamente si dicho organismo lo solicita. Garantia por emisiones Para asegurar su protecci6n total en virtud de las disposiciones de la garantfa por emisiones, se recomienda que haga reparar el vehfculo apenas sea posible. De lo contrario, podrfa determinarse que existe una falta de mantenimiento adecuado. • Consulte la informaci6n de la campana que involucra a su motocicleta ingresando a la herramienta Honda Recall Lookup (busqueda de campanas de Honda) en https://powersports.honda.com/recalls y escribiendo el numero de identificaci6n de su vehfculo (V N). • Si tiene preguntas o preocupaciones, le recomendamos que: o visite https://powersports.honda.com/recalls; o o se comunique con su concesionario local de Honda Powersports; o o envfe un mensaje al Servicio de Atenci6n al Cliente mediante https://powersports.honda.com/contact-us; o o se comunique con Servicio de Atenci6n al Cliente de Powersports de American Honda llamando al 1-866-784-1870, de lunes a viernes, de 8:30 a. m. a 4:30 p. m., hora del Pacffico. Si pag6 de su bolsillo para hacer las reparaciones especfficas de esta campana en su vehfculo, es posible que sea elegible para recibir un reembolso. Comunfquese con el Servicio al Cliente de Powersports de American Honda llamando al 1-866-784-1870 para determinar la potencial elegibilidad y para recibir instrucciones sobre c6mo pedir el reembolso. Si ya no es propietario de este vehfculo o algun dato de este aviso es incorrecto, complete y devuelva la nformation Change Card (Tarjeta de cambios en la informaci6n) adjunta con franqueo prepagado. Si usted es arrendador de este vehfculo, las regulaciones federales requieren que envfe este aviso a su arrendatario en un plazo de diez dfas. Si cree que American Honda o el concesionario no han reparado o no son capaces de reparar el defecto de su motocicleta sin costo y en un plazo razonable (60 dfas a partir de la fecha del primer contacto con el concesionario para pedir una cita de reparaci6n), puede presentar una queja a: Administrator, National Highway Traffic Safety Administration (NHTSA), 1200 New Jersey Ave., SE, Washington, DC 20590. Tambien puede llamar a la lfnea gratuita de seguridad vehicular de la NHTSA al 1-888-327-4236 (TTY 1-800-424-9153), o visite http://www.safercar.gov. Pedimos disculpas por cualquier molestia que esta campana pueda ocasionarle, pero cuente con que su seguridad es nuestra principal preocupaci6n. Atentamente, American Honda Motor Co., Inc. Llame a cualquier concesionario de Honda Powersports y haga una cita para que le reparen el vehfculo GRATIS.

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Next Unread Message View Message June 29, 2022 Re: 2020 through 2022 GL1800/B #26 – IS NOW AVAILABLE Dear Honda Dealer: The Service Bulletin supporting the SAFETY RECALL CAMPAIGN on CERTAIN 2020 through 2022 GL1800/B motorcycles to update the software of the Engine Control Unit (ECU) is now available on iN. Service Bulletin GL1800/B #26, which includes all the information relating to this SAFETY RECALL Campaign, can be found by navigating to Service>Service Publications>Service Bulletins on iN. Make sure all departments in your dealership are aware of this SAFETY RECALL Campaign. If you have any questions, please contact AHM TechLine through TechLine Connect on iN. Sincerely, American Honda Motor Co., Inc. Powersports Division MTB 17853 (2206) Sent on 06 30 2022 Expires on 07 19 2022 From Powersports Quality Center Subject SAFETY RECALL: 2020 thru 2022 GL1800/B #26 INTERACTIVE NETWORK American Honda Motor Co., Inc. Page 1 of 1

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Next Unread Message View Message June 21, 2022 Re: STOP SALE NOTICE: 2020 – 2022 GL1800/B ECU UPDATE Dear Honda Dealer: Honda is issuing a STOP SALE NOTICE on CERTAIN 2020 through 2022 GL1800/B (Manual Transmission) motorcycles to update the ECU for a potential defect that may result in engine stalling. Effective immediately, you MUST NOT SELL any affected NEW or USED 2020 – 2022 GL1800/B motorcycles until it is repaired according to the associated Service Bulletin. AFFECTED UNITS CERTAIN NEW or USED 2020 – 2022 GL1800/B (Manual Transmission) To search for applicable recalls on a specific unit, you MUST use Unit Information on iN. To manage your affected inventory, use your dealer eResponsibility Report on iN. SERVICE BULLETIN Service Bulletin: GL1800/B #26, which includes all the information relating to this Safety Recall, will be available on iN by the end of business Wednesday, June 29, 2022. PARTS INFORMATION There are no parts necessary for this repair. CUSTOMER NOTIFICATION American Honda intends to mail customer letters to all owners of affected 2020 – 2022 GL1800/B motorcycles in August 2022. Customers will be informed that their motorcycle may be affected by a safety related defect and will be advised to make an appointment with an authorized Honda dealer for repair. Make sure all departments in your dealership are aware of this Safety Recall. If you have any questions, please contact AHM TechLine through TechLine Connect on iN. Sincerely, American Honda Motor Co., Inc. Powersports Division MTB 17853 (2206) Sent on 06 21 2022 Expires on 07 10 2022 From Powersports Quality Center Subject STOP SALE NOTICE: 2020 – 2022 GL1800/B ECU Update INTERACTIVE NETWORK American Honda Motor Co., Inc. Page 1 of 1

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-449 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Honda (American Honda Motor Co.) Submission Date : JUN 23, 2022 NHTSA Recall No. : 22V-449 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Honda (American Honda Motor Co.) Address : 1919 Torrance Blvd. Torrance CA 90501 Company phone : 1-888-234-2138 Population : Number of potentially involved : 1,740 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2022 Honda GL1800 Gold Wing Vehicle Type : MOTORCYCLES Body Style : Power Train : GAS Descriptive Information : The recall population was determined based on manufacturing records. The production range reflects all possible vehicles that could experience the problem. The recall is specific to manual transmission vehicles and there have been no occurrences with dual clutch transmission (DCT) equipped vehicles. Production Dates : NOV 05, 2019 – FEB 28, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Due to an improper ignition timing program, the engine control unit (ECU) of manual transmission equipped vehicles may retard the timing if the clutch lever is pulled within a specific range, with the transmission in 2nd gear or higher and a closed throttle, causing a decrease in engine output. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A vehicle with an improper ignition timing program may retard the timing while driving, causing a decrease in engine output, potentially stalling the engine, and increasing the risk of a crash or injury. Description of the Cause : The ECU was improperly programmed. Identification of Any Warning that can Occur : N/A Involved Components : Part 573 Safety Recall Report 22V-449 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : UNIT COMP, PGM-FI/IGN (MT) Component Description : Engine Control Unit Component Part Number : 38770-MKC-AG1 Component Name 2 : UNIT COMP, PGM-FI/IGN (MT) Component Description : Engine Control Unit Component Part Number : 38770-MKC-AG2 Component Name 3 : UNIT COMP, PGM-FI/IGN (MT) Component Description : Engine Control Unit Component Part Number : 38770-MKC-AJ1 Component Name 4 : UNIT COMP, PGM-FI/IGN (MT) Component Description : Engine Control Unit Component Part Number : 38770-MKC-AJ2 Supplier Identification : Component Manufacturer Name : American Honda Motor Co., Inc. Address : 1919 Torrance Blvd. Torrance California 90501 Country : United States Chronology : November 2020 Honda received the first report of a stalling while riding issue from a vehicle in the Japan market. January 2021 Honda received the first report of a vehicle randomly stalling while the clutch lever was pulled in for the US market. The vehicle was repaired under warranty by the dealer. Part 573 Safety Recall Report 22V-449 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 March 2021 Honda received the second report of a vehicle stalling while the clutch lever was pulled in for the US market. The vehicle was repaired under warranty by the dealer. May 2021 Honda began to investigate and analyze the issue by verifying the vehicle operation and occurrence circumstances. July 2021 Honda received the third report, which involved six separate cases of vehicles stalling while the clutch lever was pulled in for the US market. One of the six vehicles was repaired under warranty by the dealer. July – November 2021 Honda continued to investigate and analyze the cause of the stalling issue. March 2022 Honda received the fourth report of a vehicle stalling while the clutch lever was pulled in for the US market. March – April 2022 After further investigating the issue, Honda was able to confirm the occurrences and found that the stalling condition was due to activation of the ignition retard control. May 2022 Honda received the fifth report of a vehicle stalling while the clutch was pulled in for the US market. June 3, 2022 Honda investigated the range of affected vehicles. June 16, 2022 Honda determined that a defect related to motor vehicle safety existed and decided to conduct a safety recall. As of June 16, 2022, Honda has received a total of seven (7) warranty claims in the U.S. market, three accounted for in the chronology, and four additional claims on 9/16/2020, 9/21/2020, 11/24/2020, and 12/10/2020. No crashes or injuries related to this issue were reported. Description of Remedy : Description of Remedy Program : Registered owners of all affected vehicles will be contacted by mail and asked to take their vehicle to an authorized Honda dealer. The dealer will reprogram the ECU with an updated file containing the proper ignition timing control, for free. Owners who have paid to have these repairs completed at their own expense will be eligible for reimbursement, in accord with the recall reimbursement plan on file with NHTSA. How Remedy Component Differs from Recalled Component : Recalled components have the incorrect ignition timing control ECU program. Part 573 Safety Recall Report 22V-449 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : The condition has been corrected with the proper ECU program for all 2023 model year vehicles and newer. Recall Schedule : Description of Recall Schedule : Dealer Notification Begin Date: 06/21/2022 Dealer Notification End Date: 06/21/2022 Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : AUG 20, 2022 – AUG 20, 2022 * NR – Not Reported

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