Error code occurred during ECU upgrade (1000-04-0001)

Symptom: ECU upgrade in progress, error code [1000-04-0001]

Cause: Failed socket connection with gateway (ESU) to perform Ethernet event


1. It is necessary to check whether the car is equipped with after-market equipment.
2. It is necessary to connect the ECI cable normally and check the tablet static IP.
3. It is necessary to connect the diagnostic device and check the normal display of the sensor output of the gateway controller.
4. After removing the vehicle power connector, proceed with the installation work 5 minutes later, and then retry the ECU upgrade.


Article is closed for comments.