Symptoms - Cruise Control: Notes

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the following are true:

There are no DTCs set.
The control modules can communicate via the serial data link.

Review the system description and operation in order to familiarize yourself with the system functions. Refer to Cruise Control Description and Operation .