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
| ATI&08262024902 | 2024-09-03. Other. ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V 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. |
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| ATI&08152024902 | 2024-08-20. Other. ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord 1.5Ls (no 2.0L) & FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V 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&07262024902 | 2024-08-02. Other. ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord 1.5Ls (no 2.0L) & FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V 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&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. |
| A23-026 | 2024-05-15. Service bulletin. ENGINE. Service Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC rich criteria, resulting in the vehicle experiencing drivability concerns. This issue is most common in regions with cold weather. |
| ATI&05032024904 | 2024-05-15. Other. ENGINE. 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&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&04122024905 | 2024-04-17. Service bulletin. 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&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. |
| ONL6VP02192024_2 | 2024-02-27. Service bulletin. POWER TRAIN. Owner Notification Letter - The driven pulley in the transmission (CVT) was not properly hardened due to improper heat treatment during the manufacturing process. Over time, this may lead to abnormal wear to the driven pulley or damage to the CVT belt which may cause the vehicle to experience a slip accompanied by an abnormal noise and multiple warning lights illuminating. This may lead to not being able to move forward after coming to a stop. |
| 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&02152024902 | 2024-02-27. Service bulletin. 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&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. |
| A23-094 | 2023-11-16. Service bulletin. STRUCTURE. Service Bulletin - There is a dull creaking, rubbing, popping, or clicking noise coming from the front of the vehicle while turning at low speeds due to the bump stop contacting the top of the front damper body. |
| ATI&10182023902 | 2023-10-25. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 Accords (non-Hybrid) with customer complaint of a rear brake noise while driving in reverse. The noise can be described as humming, moaning similar to a foghorn. 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. |
| A23090A | 2023-09-21. Service bulletin. STRUCTURE. Service News - Several customers have reported loose or unset weatherstrips at the door sash. When a car comes in with this condition, you can successfully reinstall an undamaged weatherstrip back in place until permanent countermeasure parts are available. |
| ATI&04172023904 | 2023-04-27. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords and 2022 HR-V Sports with a customer complaint of a front damper noise. 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&03312023906 | 2023-04-04. Service bulletin. SUSPENSION. Dealer Message Request for Visit: 2018-2022 Accord & HR-V Front Damper Noise (ACTION REQUIRED) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.