Symptoms - Cruise Control: Notes
IMPORTANT:
The following steps must be completed before using the symptom tables.
- Before using the symptom diagnostic table, perform the Diagnostic Trouble Code (DTC) List - Vehicle
in order to verify the following conditions:
- There are no DTCs set.
- The module can communicate via the GM LAN.
- Review the system operation in order to understand the system functions. Refer to Cruise Control Description and Operation .