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

  1. 3.  Determines if the OnStar® status LED has the necessary Green LED signal circuit voltage.
  2. 5.  If the Green LED signal is shorted to voltage then the OnStar® three button assembly has been damaged and the OnStar® three button assembly must be replaced.
    Fig 1: Identifying OnStar Button LED Inoperative (F1) Diagnostic Table
    G01755141Courtesy of GENERAL MOTORS CORP.
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