GM Service Manual Online
For 1990-2009 cars only

Powertrain Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Cruise Disable

Engine Data 1

The PCM monitors the parameters necessary for cruise control operation. If the vehicle falls out of any of the parameters necessary to maintain cruise control, or a scan tool commands the PCM to open the cruise control inhibit circuit, the cruise control will be disabled.