# P0606 on the 2020 Cadillac CT6

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0606

- [10183222](https://open.wenmarpro.com/bulletins/10183222), 2020-11-30: Service Update \- Certain 2019\-2020 model year Cadillac CT6 vehicles equipped with a 10 speed transmission, \(RPO MHS or MHW\) may have a condition when shifting into park, resulting in a momentary loss of park engagement. If this were to occur, one or more of the following DTC codes P0606, P06AF or P07E4 may set and illuminate the check engine light. Dealers will reprogram the ECM.
- [10181688](https://open.wenmarpro.com/bulletins/10181688), 2020-10-26: This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in Driver Information Center \(DIC\), Brake Pedal Travel and Apply May Feel Different, One or More of the Following DTCs May be Set: P0606 with C0021, C05D2, C0595, C2A3B, C0024, C053D, P25A2.