P0562Severity: Medium
P0562 – System Voltage Low
The vehicle's electrical system voltage is below expected.
What it means
The ECU sees the system supply voltage as too low. It is usually a charging system (alternator/battery) or a wiring/contact issue.
Symptoms
- Battery warning light
- Hard starting
- Flickering gauges
- Check-engine light
Common causes
- Weak/old battery
- Faulty alternator
- Loose/corroded terminals
- Loose charge wire/belt
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Frequently asked questions
What does trouble code P0562 mean?
P0562 – System Voltage Low. The ECU sees the system supply voltage as too low. It is usually a charging system (alternator/battery) or a wiring/contact issue.
Can I drive with a P0562 code?
You can usually drive short distances, but it's best to have it checked before it gets worse.