# Over\-the\-air update A26\-037

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.

- Type: Over\-the\-air update
- NHTSA id: 11032798
- Published by NHTSA: 2026\-05\-20
- Manufacturer's number: A26\-037
- Manufacturer's date: 2026\-05\-15
- Campaign id or software version: 8B010\-30A\-A070
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032798-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032798-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2023 to 2025 HONDA ACCORD

## Recalls for the same vehicles and component

- [25V785000](/recalls/nhtsa/25V785000.md), 2025-11-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE \(HPCU\):SOFTWARE

## Other bulletins for the same vehicles and component

- [AATS30566](/bulletins/11031289.md), 2026-04-14, 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.
- [AEBM03262026906](/bulletins/11030675.md), 2026-04-03, 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\-037](/bulletins/11029233.md), 2026-03-03, 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.
- [AEBM02202026901](/bulletins/11029230.md), 2026-03-03, 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\-069](/bulletins/11022034.md), 2025-08-21, 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.
- [AA29051](/bulletins/11021951.md), 2025-08-18, 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\&05222025901](/bulletins/11019245.md), 2025-06-05, 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\-083](/bulletins/10245552.md), 2023-11-29, 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\&11032023908](/bulletins/10245274.md), 2023-11-16, 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\-083](/bulletins/10244253.md), 2023-10-20, 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.

JSON: [/v1/bulletins/11032798](/v1/bulletins/11032798)

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