This is general guidance based on the ChargeX MREC standard. Actual charger behavior varies by manufacturer and firmware version. Always follow on-screen instructions and contact the charging network if you are unsure.
Critical
During the DC pre-charge phase, the charger could not match its output voltage to your vehicle's battery voltage. The charger and car must agree on voltage before power delivery starts.
What to do
- Unplug and retry. This can be a temporary issue
- Try a different DC charger
- If this happens with your vehicle on multiple chargers, contact your vehicle manufacturer
Who's responsible?
- This is likely a charger hardware issue
- This may be a vehicle issue
Technical details
- Error code
- VoltageMatchFailed
- Category
- Electrical
- Classification
- safety
- Source
- ChargeX MREC Standard (2023)
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