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Hi. I just purchased 2 gm credits to be able to save and load tune in my car. I already applied the 2 purchased credits to be able to save the tune file. When I try writing it to the car ecm is acting like I don't have the credits and it shows that it required one more credit. Is it a total of 3 for a 2013 cts v?
No, it's two credits.
The extra credits are for the fuel pump control module. Read the file again but do no read the fuel pump control module, then you can flash your new tune it without it asking for more credits.
It reads both by default, which is a little annoying. Just make sure you uncheck the FCM before you read the car.
it also reads the ecm & tcm by default, I've never heard anyone complain of this ;)Quote:
Originally Posted by mobeus
Because that doesn't ask for more credits......Quote:
Originally Posted by Bill@HPTuners