Code result
P0562
System Voltage Low
Moderate severity
What it means
Battery / charging system voltage seen by the ECU has dropped below the lower threshold (typically around 10.5 V). Modern ECUs are sensitive to under-voltage and may set this code briefly during cranking on a weak battery.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Battery aged or weak
highOne of the most commonly reported causes for this code — check this first.
Alternator undercharging
mediumA plausible cause — test and verify before replacing parts.
Corroded battery terminals or ground strap
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P0562 freeNo credit card required