2012 Chevrolet 3500HD Duramax SRW with engine code P205B. Anyone know why?

Question

I modified my exhaust on my 2012 Chevrolet 3500HD Duramax SRW and I am now getting trouble code P205B. Anyone know why?

Answer 1

P205B Reductank tank temperature sensor performance

This is for the reductant temperature sensor for the fuel pump temperature sensor unless it got disconnected during the exhaust installation , a exhaust modified will not cause this codes this sensor is on the fuel tank

Answer 2

P205B Chevrolet Code - Reductant Tank Temperature Sensor Circuit Range/Performance
Read more: https://www.autocodes.com/p205b_chevrolet.html