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Test Description

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. 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.

  1. 3.  This step checks for a short to voltage.
    2. Fig 1: Identifying DTC B1003 Diagnostic Table
    G01755384Courtesy of GENERAL MOTORS CORP.
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