Diagnostic Aids
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Observe the driver information center messaging that would indicate the electrical system requires service.
Inspect for the following conditions:
- Loose or damaged battery terminals.
- Loose or corroded connections at the drive motor generator power inverter module.
- Loose or corroded connections at the accessory DC power control module.