# U1803 on the 2023 Honda Accord

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name U1803

- [10237040](https://open.wenmarpro.com/bulletins/10237040), 2023-05-31: 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 \(CGW\).