Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The malfunction indicator lamp (MIL) illuminates and the driver information center (DIC) displays the message Service Hybrid System.