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I am looking for some insight after having some maintenance performed on my 2019 2500 Laramie stock 6.7 Cummins. I tow a 36-foot bumper pull travel trailer with an Equalizer weight distribution hitch. Prior to the maintenance the system felt rock solid and was hardly affected by wind gusts and...
Was towing my travel trailer at about 60mph and got this message:
Exhaust System Needs Service
See dealer
Truck started to slow down and would not respond to gas pedal. Pulled over to the shoulder and truck shut off. Cranks but will not start.
Dash shows CEL and even flashed when trying...