Check Power and GND and Communications

Elite Series Firmware Help › Elite Series ECU Installation Guide › Powering Up for the first timeUpdated May 2020

Quick summary

Leaving your ignition modules and injectors disconnected, power up the ECU by turning on the vehicle's Ignition power. Check that the ECU is powered up and that you are able to communicate with the ECU using a laptop running Elite Software ...

Summary from Haltech's knowledge base
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