Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0562
The TCM detects that battery voltage is less than 8.68 volts for 20 seconds.
DTC P0563
The TCM detects that battery voltage is greater than 18.0 volts for 20 seconds.