P0563
System Voltage High
Low-voltage / 12V · Powertrain
medium
What does this code mean?
The control module detected system (12V) voltage above the expected range.
This is a generic OBD-II / UDS code — the meaning is standardized across manufacturers.
Possible symptoms
Check EV system
Battery warning
Possible causes
- 1.Charging system overvoltage
- 2.Voltage regulator fault
- 3.DC-DC converter fault
These are possible causes — a professional inspection is required to confirm.
Diagnostic procedure & recommended checks
- Measure 12V voltage at rest and running
- Check DC-DC converter output
Recommended actions
- Professional inspection of the DC-DC / charging system
Can I drive?
Yes, but inspect soon
When to contact a professional
If the voltage stays high, to avoid damaging electronics.
Related Fix & Solve guides
Diagnostic information is provided for informational purposes and does not replace professional inspection. High-voltage systems must only be serviced by qualified personnel.