Thank you for your reply. My mechanic said he put new def fluid in when he installed the new def pump. But like you said could still be bad def. Or at least bad def still in the lines. Definitely thinking of draining tank again just to make sure.
Hello, this is my first time on this forum and thank you for all the information. We have a 2015 Ram 1500 ecodiesel that we purchased in June of 2021. It's been in with our diesel mechanic for the last 5 weeks. We have the exact same 2 codes. Check Engine Light is on with P2BA9 and P20EE...