Diagnostic Starting Point-Automatic Level Control

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Begin the system diagnosis with the DIAGNOSTIC SYSTEM CHECK - AUTOMATIC LEVEL CONTROL (WITH INFLATOR) or DIAGNOSTIC SYSTEM CHECK - AUTOMATIC LEVEL CONTROL (WITHOUT INFLATOR) . The Diagnostic System Check will provide the following information:

The identification of the control module(s) which command the system.
The identification of any stored diagnostic trouble codes (DTCs) and their status.

The use of the Diagnostic System Check - Automatic Level Control (With Inflator) will identify the correct procedure for diagnosing the system and where the procedure is located.