Yeah, with that message, it can be two things.

Either your MS and MT is not setup correctly so they are not compatible with each other, so they cannot talk to each other (which I thought in most of my post at the above link)

And the other reason is the connection is no good. Which I found out that was my problem after 5 days.

So, go through the entire post from the link given by XtremeRS, it should help. or at least give you some ideas on what to look for.

Gil

~~~~~~~~Modification~~~~~~~~
Performance: MegaSquirt v3.0 Fuel & Spark, 8.6:1 JE piston, Eagle Long Rods, SPEC III Clutch, EVOIII B16G, FMIC, Aeromotive 1:1 FPR, Walbro 255HP, 680cc Injectors, 2.5" DP, 3" Magnaflow Cat, 3.5" Greddy EVO CatBack, Greddy Electronic EGT,FUEL,BOOST,A/F gauges...
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1995 RED Eclipse GS-'T': Stage VI 20PSI
2010 Audi S5 Quattro