Test Description

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.

The number(s) below refer to the step number(s) on the diagnostic table.

The inability of the body control module (BCM) to enter the diagnostic mode may be due to a BCM malfunction.
The symptoms list in Symptoms will determine the correct diagnostic procedure to use.

Fig 1: Diagnostic System Check - Chart Remote Keyless Entry
Courtesy of GENERAL MOTORS CORP.

Fig 2: Diagnostic Trouble Code Chart
Courtesy of GENERAL MOTORS CORP.