Service bulletins for the 2020 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.
294 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A21-068 | 2021-09-02. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing. |
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| ATI&08092021903 | 2021-08-17. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| ATI&08092021901 | 2021-08-17. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. 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. |
| AATS210301 | 2021-08-13. Service bulletin. ELECTRICAL SYSTEM. Tech Line Summary Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, please let them know that we are aware of these concerns and are currently looking into it. Replacing the wireless charger or using another iPhone 12 will not address the customer's concern. Please inform your customer to use a USB charging cord until a repair is available. |
| ATI&07282021901 | 2021-08-03. Service bulletin. AIR BAGS. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 CR-Vs with a customer complaint of the SRS light on with the DTC B0020-13 (Open or Increased Resistance in the Driver's Side Airbag Inflator) or B0028-13 (Open or Increased Resistance in the Front Passenger's Side Airbag Inflator) stored or in active fault. 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&07222021902 | 2021-07-27. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| ATI&07202021901 | 2021-07-27. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. 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. |
| A21-052 | 2021-07-21. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The MIL is flashing with a loss of power. |
| ONLQ9U07062021 | 2021-07-21. Service bulletin. VISIBILITY. Owner Notification Letter - On some 2018-20 Accord Hybrid models, the A/C condenser may leak refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem. |
| ONLJ9T07062021 | 2021-07-21. Service bulletin. VISIBILITY. Owner Notification Letter - On some 2018-20 Accord models, the A/C condenser may leak refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem. |
| ATI&07072021903 | 2021-07-20. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| ATI&07072021901 | 2021-07-20. Service bulletin. AIR BAGS. "Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 CR-Vs with a customer complaint of the SRS light on with the DTC B0020-13 (Open or Increased Resistance in the Driver's Side Airbag Inflator) or B0028-13 (Open or Increased Resistance in the Front Passenger's Side Airbag Inflator) stored or in active fault. 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&07012021 | 2021-07-20. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. 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. |
| A21060B | 2021-07-03. Service bulletin. ELECTRICAL SYSTEM. ServiceNews Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, let them know that we are aware of these concerns and are currently looking into it. Replacing the wireless charger or using another iPhone 12 will not address the customer's concern. Advise your customer to use a USB charging cord until a repair is available. |
| A21-053 | 2021-07-03. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - There is a booming or humming noise coming from the speakers while driving at highway speeds. |
| ATI&06152021907 | 2021-06-22. Service bulletin. SERVICE BRAKES. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| ATI&06152021904 | 2021-06-22. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. 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&06152021902 | 2021-06-22. Service bulletin. AIR BAGS. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 CR-Vs with a customer complaint of the SRS light on with the DTC B0020-13 (Open or Increased Resistance in the Driver's Side Airbag Inflator) or B0028-13 (Open or Increased Resistance in the Front Passenger's Side Airbag Inflator) stored or in active fault. 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. |
| A21-015 | 2021-06-18. Service bulletin. VISIBILITY. Service Bulletin - American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension only covers vehicles that have a defective A/C condenser from the factory. The A/C condenser was not manufactured to specification. As a result, corrosion may develop in the form of tiny holes in the condenser tube walls that allow the refrigerant to leak out. This does not apply to any vehicle that has a leaking condenser due to foreign object damage. It also does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state's law. |
| A21-052 | 2021-06-10. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The MIL is flashing with a loss of power. |
| A20-036 | 2021-06-10. Service bulletin. SUSPENSION. Service Bulletin - There is a rattling coming from the front of the vehicle. |
| ATI&05282021904 | 2021-06-04. Service bulletin. AIR BAGS. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 CR-Vs with a customer complaint of the SRS light on with the DTC B0020-13 (Open or Increased Resistance in the Driver's Side Airbag Inflator) or B0028-13 (Open or Increased Resistance in the Front Passenger's Side Airbag Inflator) stored or in active fault. 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. |
| APaS05262021904 | 2021-06-04. Service bulletin. SERVICE BRAKES. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| ABOM05282021 | 2021-06-03. Service bulletin. VISIBILITY. Dealer Message - Today, May 28, 2021, American Honda is announcing a warranty extension for certain 2018-2020 Accord and Accord Hybrid, 2018-2020 Civic, 2017-2021 Civic Hatch, 2017-2021 Civic Type R, 2018-2021 Clarity PHEV, and 2019-2021 Insight vehicles. This warranty extension covers the A/C condenser to address concerns of leaking refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase. |
| A21-018 | 2021-06-03. Service bulletin. VISIBILITY. Service Bulletin - American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension only covers vehicles that have a defective A/C condenser from the factory. The A/C condenser was not manufactured to specification. As a result, corrosion may develop in the form of tiny holes in the condenser tube walls that allow the refrigerant to leak out. This does not apply to any vehicle that has a leaking condenser due to foreign object damage. It also does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state's law. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.