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def system code p204a
Posted to HD/Fleet Forum on 3/17/2021 5 Replies

I have been working on a 2015 ram 3500 it has a p204a code for the def pressure sensor circuit i found bad wires in the wiring harness so i replaced the harness. The code was still active i tested for power and ground at the def doser control module. It has a ... Login to read more.

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car Vehicle Data

2015 Ram 3500 Big Horn 6.7L

VIN 3C7WRTCL0F
Engine6.7 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2015 Ram 3500 Big Horn 6.7L

VIN 3C7WRTCL0F
Engine6.7 L
Trans6-speed Automatic (Electronic)