System Voltage High

Q: What does code P0563 mean?

System Voltage High: System voltage is above the expected range. Could indicate a faulty voltage regulator or alternator.

Powertrain Code · High

What does P0563 mean?

System voltage is above the expected range. Could indicate a faulty voltage regulator or alternator.

System: Electrical

P0563 is a powertrain diagnostic trouble code indicating system voltage high. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.