E015
Volkswagen Firmware Corruption / Bootloader Error

VW wallbox shows E015; LEDs may flash in a pattern; charger appears dead to the vehicle.

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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

Interrupted firmware update via app, Power loss during update, Incompatible firmware image, Faulty flash memory on main PCB

How to Fix / Troubleshooting

Safety first: Do not repeatedly power cycle during an update unless instructed by the manufacturer.

  • Wait and observe: If the error appeared during an update, wait at least 10–15 minutes to ensure the process has fully timed out.
  • Retry update: Use the VW wallbox app or web interface to check firmware status. If a recovery or re‑update option is offered, follow the on‑screen instructions.
  • Stable power: Ensure the charger’s supply is stable (no frequent breaker trips) before attempting another update.

If E015 persists and the charger cannot boot normally, the main control PCB may need to be reflashed with service tools or replaced. Contact Volkswagen support; do not attempt to load unofficial firmware.

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Repair Difficulty

Hard 4/5

Required Part

VW wallbox main control PCB
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