# P17A4 on the 2021 Toyota Tacoma

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 P17A4

- [10214326](https://open.wenmarpro.com/bulletins/10214326), 2022-06-21: TT: Water intrusion to the ADD actuator is currently being investigated as a cause of 4WD inoperative complaints. P17A0 and P17A4 DTCs may set for this condition but not always
- [10209009](https://open.wenmarpro.com/bulletins/10209009), 2022-03-14: TT: Water intrusion to the ADD actuator is currently being investigated as a cause of 4WD inoperative complaints. P17A0 and P17A4 DTCs may set for this condition but not always