The system voltage is above the expected threshold.
Informational only. Consult a qualified mechanic.
Test alternator output and replace if overcharging.
The P0563 OBD-II diagnostic trouble code (DTC) indicates: system voltage high. This is a medium-severity powertrain code that your vehicle's onboard diagnostics system triggers when the system voltage is above the expected threshold. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
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