P0562 Charging System Voltage Low
What does P0562 mean?
P0562 — Charging System Voltage Low. This is an OBD-II diagnostic trouble code a scanner retrieves when your vehicle's computer detects charging system voltage low. The level of risk depends on how the vehicle is currently running and how long you've been driving with the light on.
Common causes of P0562
- Failing alternator or voltage regulator
- Loose, corroded, or worn drive belt
- Battery with a failing cell or excessive age
- High resistance in charging circuits
- Excessive electrical load
How to fix P0562
- Check battery voltage with the engine off and running
- Test alternator output with a multimeter and load test
- Inspect the serpentine belt for tension and condition
- Check battery cables and grounds for corrosion
- Load test the battery to rule out a failing cell