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Diagnostic Starting Point - Body Control System

Begin the diagnosis of the body control system by performing the diagnostic system check for the system in which the customer concern is apparent.

The diagnostic system check will direct you to the correct procedure for diagnosing the system and where the procedure is located.

Fig 1: Scan Tool Output Controls

Courtesy of GENERAL MOTORS CORP.

Fig 2: Scan Tool Data List

Courtesy of GENERAL MOTORS CORP.