Action Taken When the DTC Sets

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The ECM will command the charge indicator to be illuminated on the instrument panel cluster (IPC).
The ECM will not illuminate the malfunction indicator lamp (MIL).
The ECM will store conditions, which were present when the DTC set as Fail Records data only.