Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Engine is running for 30 seconds.
The starter/generator control module (SGCM) has received voltage on the ignition 0 voltage circuit.
The SGCM has turned ON and no configuration DTC is present.
This diagnostic shall be run every 100 milliseconds.
Reference voltage is stable and accurate.