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Jasonb · 09-22-2017, 03:55 PM

Read and write will be greyed out once you read your ECU and if there are no compatible tunes loaded onto the oft. Your problem is probably just as simple as needing to load the right tune file into it from your computer.

09-22-2017, 03:55 PM	#3
Jasonb Senior Member Join Date: Jul 2017 Drives: 17 Series Yellow BRZ Location: Wilmington, NC Posts: 190 Thanks: 20 Thanked 47 Times in 40 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Read and write will be greyed out once you read your ECU and if there are no compatible tunes loaded onto the oft. Your problem is probably just as simple as needing to load the right tune file into it from your computer.