E011
ABB
PLC / Communication Module Failure (for ISO 15118 / HomePlug Green PHY)
Charger shows E011 and cannot establish communication with the vehicle; vehicle may show a communication error.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty PLC communication module, Noise or interference on power line, Loose internal PLC harness, Firmware incompatibility between charger and EV
How to Fix / Troubleshooting
Context: Some ABB home chargers support advanced communication (e.g., ISO 15118) via a PLC module.
- Restart both EV and charger: Power cycle the charger and reboot the vehicle (lock, wait, unlock) to reset communication stacks.
- Check cable routing: Ensure the EV cable is not tightly bundled with other high-noise cables (e.g., large motors) that could introduce interference.
- Firmware update: Use the ABB app or service tool to check for and apply the latest firmware for the charger, including PLC module firmware.
- Inspect PLC module connections (technician): Open the charger and verify that the PLC module is firmly seated in its slot and that any communication harnesses are properly connected.
- Replace PLC module: If E011 persists after firmware updates and wiring checks, replace the ABB PLC communication module.
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Repair Difficulty
Hard
4/5
Required Part
PLC Communication Module
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