Can you get a couple pictures of this and let us know what you are finding these under?
When you say you are in the on-board monitoring readings, I assume you are looking at the PCM data as these would be the OBD codes. However, this sounds more like an emission monitor test failure code.
Do you have a check engine light on?
Let's start with seeing the screenshot of where you are getting this info and then we can determine the next steps.
Tuesday, March 22nd, 2022 AT 4:39 PM