Diagnostic Aids
WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- A low voltage DTC in multiple modules indicates a concern in the charging system.
- A low voltage value in multiple modules indicates a concern in the charging system.
- Inspect the CCSM ground connection, to verify that it is clean tight.