Service bulletins for the 2021 Honda Accord
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
175 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Electrical system are shown. Show all
| AATS31549 | 2026-10-15. Service bulletin. ELECTRICAL SYSTEM. Tech Line Summary Article - Customers may report that the center display unit changes screens on its own, registers unintended inputs, or operates erratically without user interaction. The condition may be more noticeable when vehicle interior temperatures are elevated. |
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| AAHS09162026902 | 2026-09-21. Other. ELECTRICAL SYSTEM. Dealer Message - On August 21st, 2026, American Honda issued a Product Update for certain 2018-2022 Accord and Accord Hybrid models that received the accessory Wireless CarPlay and Android Auto upgrade. Refer to Service Bulletin 26-068 for additional information regarding the Product Update. |
| AATS31549 | 2026-09-02. Other. ELECTRICAL SYSTEM. Tech Line Summary - Customers may report that the center display unit changes screens on its own, registers unintended inputs, or operates erratically without user interaction. The condition may be more noticeable when vehicle interior temperatures are elevated. |
| A26-068 | 2026-08-24. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - On certain 2018-2022 Accord and 2018-22 Accord Hybrid vehicles equipped with the Wireless CarPlay and Android Auto software upgrade, a programming issue within the Wireless CarPlay and Android Auto software may cause an invalid "License Authentication Error" message to appear on the display audio screen after approximately 1,500 ignition ON/OFF cycles. |
| AEBM08212026901 | 2026-08-24. Other. ELECTRICAL SYSTEM. Dealer Message - Due to a software programming issue within the Wireless CarPlay and Android Auto system, an invalid "License Authentication Error" message may appear on the Display Audio screen after approximately 1,500 ignition switch activations ON/OFF. |
| ATS30025 | 2026-01-05. Service bulletin. ELECTRICAL SYSTEM. Tech Line Summary - Customers who have purchased the Accessory CarPlay /Android Auto upgrade are complaining that a pop-up message appears on the audio unit display stating, “Please insert USB drive containing valid software license file, and press OK button”. When this message is displayed, the audio unit is not responsive to control inputs, however the rear-view camera remains fully functional. |
| APS&12192025902 | 2026-01-05. Other. ELECTRICAL SYSTEM. Dealer Message - Some customers have reported a pop-up message on the audio unit display stating: “Please insert USB drive containing valid software license file and press OK button.” When this message appears, the audio unit becomes unresponsive. The rear-view camera remains functional. |
| AAR12192025901 | 2026-01-05. Other. ELECTRICAL SYSTEM. Dealer Message - Some customers have reported a pop-up message on the audio unit display stating: “Please insert USB drive containing valid software license file and press OK button.” When this message appears, the audio unit becomes unresponsive. The rear-view camera remains functional. |
| ATI&06032024904 | 2024-06-11. Other. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&05312024901 | 2024-06-03. Other. ENGINE; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&05172024907 | 2024-05-22. Other. ELECTRICAL SYSTEM; ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&05032024903 | 2024-05-15. Other. ELECTRICAL SYSTEM; ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&04082024904 | 2024-04-17. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&03262024905 | 2024-04-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| ATI&03212024907 | 2024-03-26. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&03102024903 | 2024-03-19. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| ATI&02292024903 | 2024-03-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&02142024908 | 2024-02-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&01312024902 | 2024-02-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&01092024901 | 2024-01-17. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine Idle Stop Problem Lamp coming on the Multi-Information Display (MID). To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting a repair of any kind. |
| ATI&01252023 | 2023-02-03. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 Accords with a customer complaint of the front passenger’s window inop & 2019-2022 CR-Vs with a customer complaint of the rear passenger’s window inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| ATI&01242023901 | 2023-02-03. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 Accords with a customer complaint of the front passenger’s window inop & 2019-2022 CR-Vs with a customer complaint of the rear passenger’s window inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| ATI&01032023907 | 2023-01-11. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| ATI&12132022903 | 2022-12-21. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accords, CR-Vs & Odysseys with a customer complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| A22120A | 2022-12-21. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. Service News Article - Some customers complain that their key fobs are not working (they cannot lock, unlock, or start their vehicle), with vehicles typically towed into the dealership. After technicians attempt to reprogram / re-register the key fob(s) through HDS, the pairing is unsuccessful. A new Body Control Module (BCM) must be installed to correct this issue. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.