(7F) function cannot be performed, incorrect diagnostic mode

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rhythm
New Member

Posts: 2

(7F) function cannot be performed, incorrect diagnostic mode Jul 13, 2018 15:18:35 GMT

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Post by rhythm on Jul 13, 2018 15:18:35 GMT

I have this issue when trying to make an 5 brake tail lights on my VW Golf 7 Variant. I change service and try again but I keep getting this message.

Maybe I'm changing service the wrong way?

Can somene explain the steps how to make an 'change service' so that I can use the app and not to receive this message again?

Last Edit: Jul 13, 2018 15:51:52 GMT by rhythm

rhythm
New Member

Posts: 2

(7F) function cannot be performed, incorrect diagnostic mode Jul 28, 2018 15:11:12 GMT

Quote

Post by rhythm on Jul 28, 2018 15:11:12 GMT

Hello,
well I don't know why but after few tries it worked, i managed to change service right after connecting and used the mod. Again, I don't understand why didn't it worked the first time but after few tries over a few days period it worked.

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