FixVault

Diagnostic System Check - Body Control System

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.