# P1C01 on the 2026 Cadillac Vistiq

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 P1C01

- [11016145](https://open.wenmarpro.com/bulletins/11016145), 2025-04-01: This Preliminary information communicates that a customer may experience a service high voltage message with a loss of heat. The technician may find P1C01 in history. The technician is advised that engineering is working on updated software.