Diagnostic Aids
WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.
- Use the scan tool in order to inspect all other modules for voltage related DTCs.
- Running the engine with a battery charger attached may cause DTC P0563 to set.
- Inspect the charging circuit for high resistance.
- Inspect the vehicle battery for open or sulfated cells.