Symptoms - Cruise Control

Symptoms - Cruise Control

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. Diagnostic System Check - Vehicle

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

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the Cruise Control System.
* 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 Intermittent Conditions and Poor Connections in Diagnostic Aids. Diagnostic Aids

Symptom List

Refer to Cruise Control Inoperative/Malfunctioning in order to diagnose a symptom.