Diagnostic Aids
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 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 transmission
- Loose or corroded connections at the accessory power module