# C15C9 on the 2020 Buick Encore

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 C15C9

- [10176328](https://open.wenmarpro.com/bulletins/10176328), 2020-06-15: This Preliminary information communicates to the dealer that if the service AWD \(All\-Wheel Drive\) or AWD \(All\-Wheel Drive\) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a software issue was found and Engineering is working on a permanent solution. If the DTC is setting current then published diagnosis needs to be followed.
- [10174850](https://open.wenmarpro.com/bulletins/10174850), 2020-05-11: This Preliminary information communicates to the dealer that if the service AWD \(All\-Wheel Drive\) or AWD \(All\-Wheel Drive\) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a software issue was found and Engineering is working on a permanent solution. If the DTC is setting current then published diagnosis needs to be followed.