Symptoms - Cruise Control: Notes

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Important: Perform DIAGNOSTIC SYSTEM CHECK - CRUISE CONTROL before using the Symptom Tables in order to verify that all of the following are true:

No DTCs are set.
The Powertrain Control Module (PCM) can communicate via the serial data link.

Review the system operation in order to familiarize yourself with the system functions. Refer to CRUISE CONTROL DESCRIPTION AND OPERATION .