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 (ECU) 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 sequence, and then retry.

1. Check the Vehicle Condition and Aftermarket Devices

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

2. Disconnect and Reconnect the Vehicle 12V Battery, Then Retry

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

3. Disconnect and Reconnect the Ethernet Cable, Then Retry

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