2013 Chevrolet 3500 6.6L Diesel Duramax with engine code P205A and engine light ON
HI there
This code is for a bad reductant tank temp sensor. In most cases, the sensor itself causes the issue. Here is some more info on the code for you.
P205A CHEVROLET - Reductant Tank Temperature Sensor Circuit Read more: https://www.autocodes.com/p205a_chevrolet.html
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