Hey FERRAL CEASAR,
Where are you located?
I would advise a quick Google search will give you a list of Porsche specialists in your area.
It may be more effective for the diagnosis work to be done by a Porsche dealer.
You can then get quotes for the repair from specialists/independents.
Do you have access to a scanner?
The guide below is for check engine light but you will use the same process to check for transmission codes:
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
If you can provide us with the fault codes we can give you a bit more information on the potential issues and some checks you can do yourself.
Regards, Joe
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Friday, March 29th, 2019 AT 6:51 PM