What needs to be replaced on a code p21b0.2011 f250 diesel?

Question

my 2011 f250 engine codep21b0 came on.what part needs to be replaced exactly.it says it's the reluctant level sensor c circuit high,but what do I need to order?

Answer 1

Hi there,

This code indicates an issue with the reductant level sensor. Here is some info for you.

P21B0 FORD - Reductant Level Sensor 'C' Circuit High

Read more: https://www.autocodes.com/p21b0_ford.html