7000-10-7F11

Symptom

Error code 7000-10-7F11 occurs during an ECU Upgrade.

Cause

The detailed code 7F 11 for this error indicates serviceNotSupported.
This means that the server (control unit) does not support the requested service or that the request contains an unknown service identifier, preventing the requested operation from being performed.

Resolution

Check and perform the following steps in order, and then retry the ECU Upgrade.

1. Check the Vehicle Condition and Aftermarket Devices

• First, confirm that the vehicle is in IG On and is in the proper condition to perform the upgrade.
• Check whether any aftermarket devices are installed in the vehicle.

2. Retry After Disconnecting and Reconnecting the Vehicle's 12V Battery

• Disconnect and reconnect the vehicle's 12V battery, and then retry.

3. Retry After Disconnecting and Reconnecting the Ethernet Cable

• Disconnect and reconnect the Ethernet cable and related connections, and then retry.