Cause
The ECU does not respond or responds slowly to the memory erase or integrity verification command.
Corrective Action
Verify that the diagnostic tool (diagnostic app) is updated to the latest version.
Check for aftermarket equipment. Remove any such equipment, and then retry the ECU upgrade.
The vehicle ECU may be faulty. At least three retry attempts are recommended.
Contact Support
Contact the Customer Support Center at 1588-3665 for assistance.
When contacting support, be sure to provide the vehicle identification number (VIN).
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