Circuit/System Description
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
The park enable signal circuit is a voltage output from the body control module (BCM) only when the vehicle is not in the PARK position. This circuit is for the control of SEO devices.