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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

Bulletins, newest first
ATI&103020212021-11-03. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts & 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&102720219012021-11-03. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. 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&102520219042021-11-03. 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.
A21-0782021-11-02. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
ATI&102020219022021-10-28. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts & 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&101320212021-10-19. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts & 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&101120219012021-10-19. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. 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.
A21-0772021-10-19. Service bulletin. POWER TRAIN. Service Bulletin - The Parking Pawl Control Module and Parking Pawl Actuator warranty terms label needs to be applied to the Federal and California Emission Warranties Parts List page within the Warranty Information Booklet.
ATI&100520219062021-10-16. 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.
AHPa100820212021-10-16. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Dealer Message - The Parking Pawl system is programmed to illuminate the MIL upon failure. The parts are required to be covered by the emission warranty. The related parts were not listed in the Warranty Booklet.
A21-0772021-10-16. Service bulletin. EQUIPMENT:OTHER:LABELS; EQUIPMENT. Service Bulletin - The Parking Pawl Control Module and Parking Pawl Actuator warranty terms label needs to be applied to the Federal and California Emission Warranties Parts List page within the Warranty Information Booklet.
ATI&092720212021-10-06. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts & 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&092020212021-10-06. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. 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&091020219092021-09-15. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts & 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&091020219072021-09-15. 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&091020219032021-09-15. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. 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&082520219092021-09-02. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts & 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&082520219072021-09-02. 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&082520219032021-09-02. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. 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&080920219072021-08-17. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. 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&080920219032021-08-17. 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&080920219012021-08-17. 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.
AATS2103012021-08-13. 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.
A21-0212021-08-03. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - The MIL comes on with DTC U0155 (Lost Communication with Gauge Control Module).
ATI&072220219062021-07-27. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.