P0562
System Voltage Low
Low-voltage / 12V · Powertrain
medium
What does this code mean?
The control module detected system (12V) voltage below the expected range.
This is a generic OBD-II / UDS code — the meaning is standardized across manufacturers.
Possible symptoms
Vehicle does not start
Unexpected battery percentage
Check EV system
Possible causes
- 1.12V auxiliary battery weak or failed
- 2.Charging fault
- 3.Voltage regulator issue
- 4.Parasitic drain
These are possible causes — a professional inspection is required to confirm.
Diagnostic procedure & recommended checks
- Measure 12V battery voltage
- Load test the 12V battery
- Check for parasitic drain
Recommended actions
- Charge or replace the 12V battery
Can I drive?
Yes, but the 12V battery must be addressed
When to contact a professional
If a new 12V battery does not resolve it.
Related Fix & Solve guides
Diagnostic information is provided for informational purposes and does not replace professional inspection. High-voltage systems must only be serviced by qualified personnel.