# P30C3 on the 2023 Cadillac CT4

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 P30C3

- [10253066](https://open.wenmarpro.com/bulletins/10253066), 2024-04-15: This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp \(MIL\) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
- [10239172](https://open.wenmarpro.com/bulletins/10239172), 2023-07-17: This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp \(MIL\) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
- [10231643](https://open.wenmarpro.com/bulletins/10231643), 2023-02-13: This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp \(MIL\) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.