Hm personally I prefer the factory D-Style revision DV. None of the off the shelf tuners recommend anything other than the factory DV.
Not sure how that is relevant here. This is a factory replacement DV, using the factory harness in the factory location. It is merely engineered to hold boost more firmly and last longer, it's just stronger. So that would be like a tuner saying their tune won't work with upgraded connecting rods. LOL Again, this is a Stg 3 car, it's pushing 31psi which is double what the factory ever expected the car to see. While the D does not have the diaphragm that is prone to rupturing the spring and actuator inside will weaken over time especially when under such pressures. It's why so many folks run the GFB DV+ which rebuilds the internals of the D, this unit is just a step over that putting stronger internals inside a stronger case.
There is no interaction with the tune, it is sending out signals to the valve which the valve simply follows. Whether it's a factory C or a D, or this upgraded model it just takes signals from the ECU. The only way it could be an issue is if the valve is mis-reporting position back to the tune, which again is a valve issue not a tune issue.
Support got back to me and simply asked if I heard blow off noise or had a sudden loss of power. Which I did not, although I stupidly did not roll my windows down and really listen but I would expect venting 6PSI would be very noticeable. Also, no sudden loss of power, it just stopped pulling, it held the power it had once it maxed boost at 25psi.
I'm asking if they have any specific logs they need to see, but I plan on running some logs this Saturday to check boost requested and boost actual, see if it is a communication issue. Then I'll swap the Rev D back on and see if it fixes it....and if not....I guess I'm searching for a boost leak that wasn't there last Friday on my 100 mile drive home from work but WAS there Saturday right after I installed the TURBOSMART.