E10
Kia Control Pilot Signal Level Error

Kia EV charger displays E10 and the vehicle does not recognize the charger; no charging icon appears on the car.

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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

Incorrect pilot duty cycle generated by Kia charger control board, Short or open circuit on control pilot (CP) line in cable, Faulty pilot resistor network in the Type 2 connector, Firmware corruption affecting pilot generation

How to Fix / Troubleshooting

Safety first: The control pilot is a low-voltage signal, but the charger still contains high-voltage components. Isolate power before opening the unit.

  • 1. Try a full reboot: Turn off the charger at the breaker for 5 minutes, then restore power. This can clear transient firmware issues affecting pilot generation.
  • 2. Inspect cable and connector: Check for kinks, cuts, or crushed sections in the cable. Examine the Type 2 plug for bent or recessed pins, especially the small pilot pin.
  • 3. Test with another cable (if detachable): If your Kia charger uses a removable cable, swap it with a known-good cable. If E10 clears, replace the original cable.
  • 4. Firmware update: If your charger supports firmware updates via app or service port, check Kia’s support site or app for the latest firmware and apply it following official instructions.
  • 5. Board-level diagnosis (technician): A technician can measure the pilot signal waveform and duty cycle at the connector. If out of spec, the main control board or pilot driver circuit must be replaced.
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Repair Difficulty

Hard 4/5

Required Part

Pilot Signal Circuit on Main Control Board
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