My truck has 91,000 miles on it. 5.3L LC9 engine. 6 speed auto transmission. I got the P015B code yesterday while doing highway driving. I cleared the code so I could use the remote start and it went all day without returning. Maybe 60 miles.

I drove it today and got the same code again after driving about 20 miles. I left that place and checked it again at home and that is when I saw that a new code, P015D, had showed up.

First bank 1, O2 sensor 1 and now bank 2, O2 sensor 1.

How likely is it to have both of those go bad so closely together?

Thanks,

 

I am having those same codes on my truck, did you ever figure out what the problem was with the truck that made those codes come up?

 

I'm having the same issues on my 2013 truck with 171911 miles. Code PO15B.

Suggestions?