I recently had a coilpack failure. When I hooked up my vag-com it would not achieve communication with the ECU. After trying several times and failing, I tried with Lemminwinks and it worked fine. After that, vag-com worked.
Same thing happened a second time, no vag-com, try Lemminwinks, it works, try vag-com again, it works.
After swapping the coil pack I took my car to the dealer so they could document the DTC. The rep came to me and asked me if the car was chipped. I said "no, why?" and he said that they could not get their computer to talk to the ECU...
So, the Q is: could this situation be related to my Revo flash?
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