For 1990-2009 cars only
This cruise control system is integrated into the engine control module (ECM) and does not have a separate cruise control module.
Begin diagnosis with the Diagnostic System Check - Vehicle . The Diagnostic System Check will provide the following information:
| • | The identification of the control modules which command the system |
| • | The ability of the control modules to communicate through the serial data circuit |
| • | The identification of any stored diagnostic trouble codes (DTCs) and their status |
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
