MDS problem.

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Toever1

Junior Member
Joined
Dec 31, 2025
Posts
2
Reaction score
2
Location
North Carolina
Ram Year
2021
Engine
Hemi 5.7l
Anyone else have a problem with MDS?
21 Ram Bighorn 5.7l Hemi. Truck threw a P3400 code. I still have 14k miles on Zurich Ext Warranty.

Local shop suggested a work around instead of full teardown and rebuild because Zurich might not agree with his assessment and then I'm stuck with a complete rebuild.

Thanks for any relevant input.
 

turkeybird56

Military Vet 1976-1996 Retired US Army
Air Force Army Law Enforcement
Joined
Aug 2, 2018
Posts
25,562
Reaction score
56,157
Location
Central Texas
Ram Year
2019 Bighorn, 4 X 4, 3.21 rear, Bright Flame Red Pearl Coat, Mopar tonneau cover,Westin Bed rug
Engine
Hemi 5.7
Anyone else have a problem with MDS?
21 Ram Bighorn 5.7l Hemi. Truck threw a P3400 code. I still have 14k miles on Zurich Ext Warranty.

Local shop suggested a work around instead of full teardown and rebuild because Zurich might not agree with his assessment and then I'm stuck with a complete rebuild.

Thanks for any relevant input.
You gonna have to go with whatever your insurance approves, unless you wanna go out of pocket and try claim, make up difference if more than they approve, etc., Every situation is different. I had to fight for a warranty repair for my truck, and it took a long while but got it done. Having a Good Dealership that will fight for you in case also helps. All IMHO. (But my warranty was not a tranny issue).

IF U got Zurich, I assume it is something with MA MOPAR insurance, and not some other 3rd party warranty. You might have to fight and stick to your guns.
 

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