Error code occurred during ECU upgrade (7000-31-7000)

Cause

No response or delayed response from ECU during memory erase or consistency check command

Actions

Check if the diagnostic tool (diagnostic app) is updated to the latest version

Check for any aftermarket equipment installation and remove it, then retry the ECU upgrade

Since the vehicle's controller (ECU) may be faulty, it is recommended to retry at least 3 times

Contact

Please contact Technical Support Center for assistance.
Global Support Contact Guide

When inquiring, be sure to provide the consultant with the Vehicle Identification Number (VIN).