SMC spark fades after 1 min of running

[78mk1]

Interesting find . The number 4 vag cop pin 3 which is 5v signal voltage showed shorted to grd which is connected to the smc pin 11 ign output 2. And...

[78mk1]

Ok after more research I moved coil packs to different positions of course it did the same thing in every cylinder
with known good cool packs....

[78mk1]

I just finished my dyno on my 78 1.8t atc motor scirocco and everything went well. 2 weeks later I thought the notorious coil pack syndrome has hit again....

[78mk1]

Thanks guys I don't quite understand the software/hardware differences between the smc sm4.
I assume my SMC is out dated. I would like to know...

[78mk1]

Thank you vw ry much now to find a SMC dwell board....