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Diagnostic System Check - Body Control System

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Test Description 

The numbers below refer to the step numbers on the diagnostic table.

  1. Tests if the BCM can enter the On-Board Diagnostic Mode. Refer to On-Board Diagnostic Features .
  2. Tests the presence of DTCs stored in the BCM. Refer to the Diagnostic Trouble Code (DTC) List  for the appropriate procedure.
Fig 1: Diagnostic System Check - Body Control System
G01813294Courtesy of GENERAL MOTORS CORP.