MM3 Possible Issues?

[JSSmoke1074]

Hey everybody, hope everyone is well!!

Soooooo, I’ve read a couple different threads about the MM3, currently my truck has 8,500 miles on it, I put the tuner on at around 5-600 miles.

The past 2 weeks when I randomly do actually drive it the tuner just turned off on me, the 2nd time it did it give gave me a obd2 port error message.

So this morning I’m driving into work and my service trailer brake and traction control came on.

It just kept flashing off and on and dinging while driving.

The oddest experience I’ve ever had. I don’t even know where to start.

Thanks anyone for a reply.

If more detailed info is needed I can try and supply it.

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[AK Bob]

Just a guess, but I am thinking you have two issues not related.

On the MM3 I would check all connections and maybe do a wiggle, jiggle test.

The traction control/brake issues could be a wheel sensor, ABS module, trailer brake controller or wiring.

Do you have any trouble codes present?


2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

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