P204B -what is the repair for this code

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Carguy1 · Answer 1 · 2019-03-06T14:38:30+0000

Hi there,

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

P204B CHEVROLET - Reductant Pressure Sensor Circuit Range/Performance

Read more: https://www.autocodes.com/p204b_chevrolet.html