EFILive Email Tune

If you have an EFILive FlashScan or AutoCal Device, we can provide email tuning for your vehicle. We just require the stock tune file(s) and a data log from the vehicle which we will use to build a custom tune for you. Please contact us for more details.

Retrieving Serial Number and Auth Code

1. Connect your AutoCal device to your PC.
2. Open the EFILive Scan and Tune application.
3. Click on the Licenses button.
4. The Serial Number will be shown at the top of the F2: Hardware screen. The serial number can be found on the AutoCal itself as well.
5. The Authentication (Auth) Code will be shown in the Auth code: field under the F3: VINs screen. Click Generate Auth Code and then paste it in an email.