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P0563
System Voltage High
Generic · battery
Data confidence
90%
The control module detected that the System voltage stayed above the expected range.
Possible causes
Alternator
TuningBot DTC Database · v4.37.15
P0563 System Voltage High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0563 means
Related and nearby codes
How to read P0563
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
563
Specific fault index within the subsystem.
Frequently asked questions about P0563
What does P0563 mean?
System Voltage High. The control module detected that the System voltage stayed above the expected range.
Is P0563 generic or manufacturer-specific?
P0563 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0563 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic