P21b0 Ford -

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Carguy1 · Answer 1 · 2018-06-26T19:25:19+0000

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