# C1103 on the 2020 Porsche Cayenne

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 C1103

- [11035741](https://open.wenmarpro.com/bulletins/11035741), 2026-08-05: ACC Dynamic Calibration Fault C110300
- [11021356](https://open.wenmarpro.com/bulletins/11021356), 2025-08-04: Instructions on advanced technical information for the Cayenne \- ACC Dynamic Calibration Fault C110300
- [11005768](https://open.wenmarpro.com/bulletins/11005768), 2024-08-06: Instructions on advanced technical information for the Cayenne \- dynamic calibration fault C110300