B104011 — IGN1 relay fault
Quick answer
B104011 indicates that the body control module has detected a fault in the ignition relay circuit that supplies switched power to several systems. The car may not power up correctly, and can shut down unexpectedly while driving.
What to check first
- Read all stored fault codes with a scan tool and deal with related codes first.
Can I still drive?
Have it inspected before further driving. If in doubt, park the car and ask a technician — a fault that limits power or shuts the high-voltage system down will not clear by itself.
Parts and B104011
This code concerns a high-voltage or safety-related system. It must be diagnosed and repaired by a technician qualified for that work, so we do not list parts for it here. If your technician has already identified a part, send us the code and the VIN and we will tell you what we can help with.
Frequently asked questions
Can I drive an Aiways U5 with B104011?
Have it inspected before further driving. If in doubt, park the car and ask a technician — a fault that limits power or shuts the high-voltage system down will not clear by itself.
What does B104011 mean?
B104011 indicates that the body control module has detected a fault in the ignition relay circuit that supplies switched power to several systems. The car may not power up correctly, and can shut down unexpectedly while driving.
What should be checked first for B104011?
Read all stored fault codes with a scan tool and deal with related codes first.
Other Body Control Module (BCM) codes for the Aiways U5
Need the part or a second opinion?
Send the fault code and your VIN. We confirm the reference against the VIN, then tell you availability, price and lead time. We ship from China to workshops and distributors across Europe.