E014
Volkswagen DC Residual Current Sensor Error

VW wallbox shows E014; charging stops; vehicle may show ‘DC fault’ or ‘Charging station error’ intermittently.

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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

Failed DC residual current sensor in VW wallbox, Loose sensor connector, Magnetic interference near sensor, Internal power module fault

How to Fix / Troubleshooting

Safety first: DC leakage detection is a critical safety function. Do not attempt to bypass or disable it.

  • Remove magnetic sources: Ensure no strong magnets or large transformers are mounted directly adjacent to the VW wallbox.
  • Power cycle: Turn off the breaker for 2 minutes, then restore power and test again.
  • Test with another vehicle: If E014 only occurs with one EV, the vehicle’s onboard charger may be causing DC leakage.

Persistent E014 indicates a likely failure of the DC residual current sensor or associated electronics. A qualified technician must replace the sensor module or power board according to Volkswagen service documentation.

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Repair Difficulty

Professional Required 5/5

Required Part

VW wallbox DC residual current sensor
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