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Service bulletins for the 2023 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.

118 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

Bulletins, newest first
A26-0372026-05-20. Over-the-air update. ELECTRICAL SYSTEM. Over 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.
AATS305662026-04-14. Other. ELECTRICAL SYSTEM. Tech 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.
AEBM032620269062026-04-03. Over-the-air update. ELECTRICAL SYSTEM. Dealer 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.
A26-0372026-03-03. Over-the-air update. ELECTRICAL SYSTEM. Over 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 being displayed on the screen indicating "Setting Update Failure" when customers attempt to change certain settings.
AEBM022020269012026-03-03. Over-the-air update. ELECTRICAL SYSTEM. Over The Air - 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.
A25-0692025-08-21. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - When the vehicle is put into reverse, the rear camera may display a black and white image. This could occur intermittently, and can change between color display to a black and white display.
AA290512025-08-18. Other. ELECTRICAL SYSTEM. Tech Line - Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05-92 CAN Gateway error stored due to the dealership’s wi-fi settings.
ATI&052220259012025-06-05. Other. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching certain 2023-2025 Accord FHEV’s with a customer complaint of multiple warning lights on for lost communication DTCs. In some cases, the customer may also experience their vehicle losing power. To better understand the cause of this condition, AHM would like to collect information from the vehicle.
A23-0832023-11-29. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - Some customers may experience the MIL (malfunction indicator lamp) illuminating when rapidly decelerating from a high vehicle speed due to Fluid aeration occurring in the e-CVT under high-g rapid deceleration.
ATI&110320239082023-11-16. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2024 Accord FHEVs with a customer complaint of the display audio volume knob being inoperable for controlling the volume or turning the system on/off. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
A23-0832023-10-20. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - Some customers may experience the MIL (malfunction indicator lamp) illuminating when rapidly decelerating from a high vehicle speed due to fluid aeration occuring in the e-CVT under high-g rapid deceleration.
A23-0832023-10-07. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - Some customers may experience the MIL (malfunction indicator lamp) illuminating when rapidly decelerating from a high vehicle speed due to fluid aeration occurring in the e-CVT under high-g rapid deceleration.
A23-0612023-08-16. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - The telematics control unit has a parasitic draw that causes a dead 12 volt battery due to the telematics control unit failing to properly complete the provisioning process. This causes the unit to stay active, and drain the 12 volt battery.
A23-0562023-07-21. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - The telematics control unit has a parasitic draw that causes a dead 12 volt battery. The telematics control unit failed to properly complete the provisioning process. This causes the unit to stay active in a reboot loop, causing a drain of the 12 volt battery.
A23-0442023-06-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Service Bulletin - Some customers experienced a software error for code D015. A software issue is causing an internal error in the Infotainment Control Unit.
A23-0452023-06-15. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - Some customers experience the following errors: DTC B2B05-92 and Code K201. These errors will prevent System Updates from functioning.
A23-0452023-06-02. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - A software issue in the Telematics unit causing the error to occur. Under certain conditions, if the Power Mode is set to Off while a software update is preparing for installation, the DTC and Code can appear.
A23-0442023-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Service Bulletin - A software issue is causing an internal error in the Infotainment Control Unit.
A23-0432023-05-31. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - Some customers experience the following errors: DTC U1803 and Code TT06. A software issue is causing an internal Ethernet error in the CAN Gateway Unit (CGW).
A23040A2023-04-20. Service bulletin. ELECTRICAL SYSTEM. Service News - Some customers are experience the following errors that have no effect on the drivability or operation of the vehicle. A software issue is causing an internal Ethernet error in the CAN Gateway Unit.

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