P0562: System Voltage Low
System: Electrical / charging · Priority: high
What P0562 means
The control module detected a condition matching the generic definition System Voltage Low. A trouble code identifies what the module detected; it does not automatically identify the failed part.
Useful next checks
- Test battery state of charge and charging-system voltage.
- Inspect battery terminals, grounds and main power connections.
- Do not diagnose modules until low-voltage conditions are corrected.
Why vehicle context matters
The same generic code can have different diagnostic paths depending on engine, calibration, wiring layout, service bulletins and related codes. Freeze-frame and live data can help establish when the fault occurred.
Need a scanner for P0562?
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