Quote:
Originally Posted by Irace86.2.0
I don't have wifi in my garage. Can I update the firmware by taking the ECU into my house and updating the firmware, and then can I hook it back up and apply the settings?
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You download the software on the laptop and then plug the laptop into the ECU while the battery is connected. The ECU needs power from the car in order to be able to hook the laptop up to it.