2008 Chevrolet P0562: What It Means & Is It Safe to Drive?
P0562 on the 2008 Chevrolet: System Voltage Low. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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 on the 2008 Chevrolet
- 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
For a 2008 Chevrolet, repairs for P0562 typically fall between $100 and $500, depending on the root cause and labor rates in your area.
Known issues on Chevrolet
GM P0562 typically means a weak battery or failing alternator. On Silverado trucks, check for excessive parasitic drain if the battery repeatedly goes flat—a stuck relay or faulty BCM can draw excessive current overnight and cause chronic P0562.
Most commonly affected models