Honda Accord Service Bulletins (2023)
118 manufacturer communications on file.
- September 25, 2026•Document ID: 11037689Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-005
- Date Added:
- October 1, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).
Associated Products (4)Associated Documents - September 25, 2026•Document ID: 11037691Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-007
- Date Added:
- October 1, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).
Associated Products (4)Associated Documents - August 26, 2026•Document ID: 11036406Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-007
- Date Added:
- August 27, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
Associated Products (4)Associated Documents - August 26, 2026•Document ID: 11036424OtherENGINE
- Mfr Comm. #:
- AEBM08262026901
- Date Added:
- August 27, 2026
- Manufacturer:
- HONDA
SummaryDealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
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- Mfr Comm. #:
- A26-005
- Date Added:
- August 27, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
Associated Products (4)Associated Documents - August 8, 2026•Document ID: 11036112Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- A26-080
- Date Added:
- August 12, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water pump operation.
Associated Products (3)Associated Documents - July 24, 2026•Document ID: 11035778OtherFUEL/PROPULSION SYSTEM; ENGINE
- Mfr Comm. #:
- AEBM07242026902
- Date Added:
- August 5, 2026
- Manufacturer:
- HONDA
SummaryDealer Message - To help improve engine temperatures, a software update has been developed for the electric water pump to optimize its operation.
Associated Products (9)Associated Documents - July 24, 2026•Document ID: 11035782Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM; ENGINE
- Mfr Comm. #:
- A26-080
- Date Added:
- August 5, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water pump operation.
Associated Products (3)Associated Documents - June 23, 2026•Document ID: 11034202Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A25-017
- Date Added:
- July 1, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - A slight engine vibration and the Malfunction Indicator Lamp (MIL) is ON with DTC P0700 (Transmission Control System MIL Request) set during start-up in below freezing temperatures.
Associated Products (4)Associated Documents - May 15, 2026•Document ID: 11032798Over The AirELECTRICAL SYSTEM
- Mfr Comm. #:
- A26-037
- Date Added:
- May 20, 2026
- Manufacturer:
- HONDA
SummaryOver The Air - Due to a software programming issue of the Telematics Control Unit (TCU, also referred to as TSU), certain functions may not operate as designed when accessed from the Screen Audio display. This condition results in an error message displayed on the screen indicating "Setting Update Failure" when customers try to change certain settings.
Associated Products (3)Associated Documents - April 22, 2026•Document ID: 11031760Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- A23-094
- Date Added:
- April 30, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - There is a dull creaking, rubbing, popping, or clicking noise coming from the front of the vehicle while turning at low speeds potentially due to the bump stop contacting the top of the front damper body.
Associated Products (11)Associated Documents - April 21, 2026•Document ID: 11031499Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-025
- Date Added:
- April 22, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection. Roadway debris can cause damage to the PCU Radiator which may result in multiple warning lights, Malfunction Indicator Lights (MIL), and decreased hybrid system performance.
Associated Products (3)Associated Documents - April 21, 2026•Document ID: 11031756Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- A26-025
- Date Added:
- April 30, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection. Roadway debris can cause damage to the PCU Radiator which may result in multiple warning lights, Malfunction Indicator Lights (MIL), and decreased hybrid system performance.
Associated Products (3)Associated Documents - April 7, 2026•Document ID: 11031289OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- AATS30566
- Date Added:
- April 14, 2026
- Manufacturer:
- HONDA
SummaryTech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's Android phone is connected via Bluetooth.
Associated Products (9)Associated Documents - April 4, 2026•Document ID: 11031279OtherPOWER TRAIN
- Mfr Comm. #:
- AEBM04032026903
- Date Added:
- April 14, 2026
- Manufacturer:
- HONDA
SummaryDealer Message - The current radiator guard does not provide adequate protection. Roadway debris can cause damage to the Power Control Unit (PCU) radiator which may lead to coolant leakage, illumination of multiple Malfunction Indicator Lights (MIL), and/or loss of driving force.
Associated Products (5)Associated Documents - April 4, 2026•Document ID: 11031283Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- A26-025
- Date Added:
- April 14, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection. Roadway debris can cause damage to the PCU Radiator which may result in multiple Malfunction Indicator Lights (MIL) and decreased hybrid system performance.
Associated Products (3)Associated Documents - April 3, 2026•Document ID: 11031280OtherVISIBILITY/WIPER
- Mfr Comm. #:
- ATI&04022026904
- Date Added:
- April 14, 2026
- Manufacturer:
- HONDA
SummaryDealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2026 Accords with a customer complaint of a noise from the instrument panel garnish in the center and passenger vent outlet areas with HVAC system off. The noise can be described as buzzing, rattling, or ticking. 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.
Associated Products (4)Associated Documents - March 26, 2026•Document ID: 11030675Over The AirELECTRICAL SYSTEM
- Mfr Comm. #:
- AEBM03262026906
- Date Added:
- April 3, 2026
- Manufacturer:
- HONDA
SummaryDealer Message - Due to a software programming issue of the telematics control unit (TCU/TSU), certain functions may not operate as designed when accessed from the Screen Audio display. This condition results in an error message being displayed on the screen indicating "Setting Update Failure" when customers attempt to change certain settings.
Associated Products (3)Associated Documents - March 20, 2026•Document ID: 11030198Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- AATS30466
- Date Added:
- March 24, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Customer complains of a clicking, light ticking, or binding sound while turning the steering wheel due to lack of sufficient clearance between the steering gearbox motor housing and the steering rack.
Associated Products (4)Associated Documents - March 3, 2026•Document ID: 11030077OtherENGINE
- Mfr Comm. #:
- ATI&03032026905
- Date Added:
- March 16, 2026
- Manufacturer:
- HONDA
SummaryDealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2025 FHEV Accords & CR-Vs with a customer complaint of an oil leak or a dealer noticing an oil leak from the cylinder head cover gasket during routine maintenance. To better understand the cause of this condition, AHM would like to collect certain parts from the vehicle prior to you attempting a repair of any kind.
Associated Products (6)Associated Documents