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Discussion Starter · #1 ·
my trinity for my 2010 R/T auto wont install a tune and also can someone tell me excatly what to adjust step by step please i have a CAI and catback exhaust thank you. or should i just go to a shop and have them do a custom tune
i live in scottsdale az if anyone knows a good shop to go to that would be helpful thank you.
 

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First make sure that you select your vehicle. my unit was in demo mode and it would not allow the tune to go through. you should also make sure it is updated using the ds downloader software. my assumption was that the trinity would prompt to select a vehicle and it did not.
 
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