What P0563 means
System Voltage High
Common causes (general)
Before spending money on parts, verify the code with a scan tool and read freeze frame data. Freeze frame captures every sensor value at the moment the code set — this is often enough to figure out the root cause without further testing.
Manufacturer-specific descriptions
Different manufacturers use this code for slightly different failure modes. Here's what your specific make means by P0563:
| BMW | System Voltage High |
| FORD | System Voltage High |
| HONDA | Engine Control Module (ECM)/Powertrain Control Module (PCM) Power Source Circuit Unexpected Voltage |
| MITSUBISHI | System Voltage High; Battery voltage too high |
| NISSAN | System Voltage High |
| VOLKSWAGEN | System Voltage High |
Read this code on your own car
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