Exhaust System Service Required - See Dealer?

[Cumminsforlife!]

Hey guys. I have a 2017 RAM 2500, which I bought last week.

I've been getting the message to service the exhaust system for the last few days.

My remote start doesn't work either, which I'm guessing results from the check engine light, but not sure.

My fuel economy has gone down drastically as well.

The code it shows is P244A.

Diesel Particulate Filter Differential Pressure Too Low.

Does anyone have any knowledge about this?

Can I fix the issue myself, or do I need to take it to the dealer?

Autozone recommends replacing the differential pressure feedback sensor.

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[AK Bob]

Yes, your remote start will not work if you have any trouble code that sets a check engine light.

See attached troubleshooting information for your trouble code.

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