Diagnostic Aids

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

Observe the driver information center (DIC) 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 (PIM) assembly.
Loose or corroded connections at the accessory dc power control module (APM).