A Symptoms

IMPORTANT:
1. Perform A Diagnostic System Check Cruise Control before using the Symptom Tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
^ Cruise Control System Description
^ Cruise Control System Operation
^ Cruise Control System Circuit Description.

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the Cruise Control System. Refer to Checking Aftermarket Accessories in Diagrams.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermit and Poor Connections in Diagrams.

Symptom List
Refer to Cruise Control Inoperative Cruise Control - Inoperative in order to diagnose a symptom that does not set a DTC.