Possible Cause
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
- Excessive diesel exhaust fluid (DEF) deposits in the aftertreatment decomposition tube
- Exhaust system leaks
- Incorrectly installed aftertreatment outlet NOx sensor
- Aftertreatment outlet NOx sensor
- Aftertreatment intake NOx sensor