Had the same issue last weekend pulling a baler back from Burlington, Colorado on my flatbed. Don't know if I was in regen mode but it seemed like every little hill I hit, I had a major loss in power and the cruise quit?
We weighed the baler on the scales and it almost tipped 11K pounds.
So, plus the weight of the flatbed and the truck, it was probably just too much of a load? to continue to use the cruise control? I'm talking eastern Colorado here, the flatlands! I can understand it not working from the foothills back West to the Mountains with 6% grades but out on the plains?
Hopefully the pic will upload of the load I'm talking about.....
I was a little disappointed in the loss of power and overall towing experience?
Maybe need to bring the rig into the dealer for a reflash? Any of you that are hauling have an issue like this too?
Also, I averaged about 8.8 MPG round trip.
I can understand that with that kind of load though....
Still enjoying this truck over my 6.0 though!
Have a great weekend fellow PSD'ers
Cheers from the Colorado Rockies 
Leo
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Current Truck:
2010' F350 V-10 SRW, Lariat CC, FX4, Chrome package, Camper package, Bradford Built flatbed, Black exterior & Ebony interior "The Black Beauty" 5 speed Auto with 4.10's and 18" wheels.
Previous Trucks:
2008' F350 6.4, SRW, Lariat CC, FX4, Bradford Built flatbed, 6 speed manual with 3.73 rear end and 20" wheels.
2006' F350 6.0, SRW, Lariat CC, FX4, 4x4, 6 speed manual wirh 3.73 rear end and 20" wheels.
2001' F350 7.3, SRW, Lariat CC, 6 speed manual with 3.73 rear end and 18" wheels.
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. Loss of power, yes, if you have an older program that limits boost to 20 psi during regen (few have the flash that eliminates this I would guess).
Linear Mode
