Error code occurred during ECU upgrade (Failed(Code: Rule Worker Changing FW Mode Failed: ECU_UPGRADE_CAN))

August 28, 2026 09:18 Updated

1. The symptom

: ECU Upgrade fails with a message "Failed(Code: Rule Worker Changing FW Mode Failed: ECU_UPGRADE_CAN)"

2. Cause

: Firmware split

3. Workaround

In case the above workaround doesn't resolve the issue, please contact your distributor or GIT assistance at following email for further support.

Call_center@gitamerica.com

: U.S.A and Canada

ics@gitauto.com

: Asia, Pacific, Middle East, Africa, Europe, Oceania, Central America, South America, Territory of U.S.A(Guam, Commonwealth of Puerto Rico, Saipan, and East Samoa)