# P0021 on the 2023 Subaru Crosstrek

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 P0021

- [10244898](https://open.wenmarpro.com/bulletins/10244898), 2023-11-06: This bulletin announces availability of reprogramming files for the Engine Control Module \(ECM\) to address rare cases of DTCs P0011 \(“A” Camshaft Position – Timing Over\-Advanced or SystemPerformance Bank 1\) and P0021 \(“A” Camshaft Position – Timing Over\-Advanced or System Performance Bank 2\) detected by the ECM.
- [10237262](https://open.wenmarpro.com/bulletins/10237262), 2023-06-05: This bulletin announces availability of reprogramming files for the Engine Control Module \(ECM\) to address rare cases of DTCs P0011 \(“A” Camshaft Position – Timing Over\-Advanced or System Performance Bank 1\) and P0021 \(“A” Camshaft Position – Timing Over\-Advanced or System Performance Bank 2\) detected by the ECM.
