What does code P0562 mean and is it safe to drive?
P0562: System Voltage Low. Here’s what it means, what usually causes it, what repairs typically cost, and how urgent it is to keep driving.
Repair cost
$100–$500
System
Powertrain
Urgency
medium
What this code means
The PCM has detected that system voltage is below the acceptable threshold. Usually points to a failing battery, alternator, or a poor ground connection.
Common causes
- Weak or failing battery
- Failing alternator not producing sufficient output
- Poor battery cable or ground connections
- Parasitic draw draining the battery
Symptoms
- Check Engine Light
- Dim headlights
- Electrical accessories acting erratically
- Hard starting or slow cranking
Typical fixes
- Load-test battery and replace if weak
- Test alternator output and replace if low
- Clean battery terminals and ground connections
Repair cost range
Repairs for P0562 often fall between $100 and $500, depending on the cause and your vehicle.