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Test Description

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 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. 2. Watch for the courtesy lamps to illuminate. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 4. Tests for battery positive voltage at the courtesy lamps.
Fig 1: DTC B2617
G01586990Courtesy of GENERAL MOTORS CORP.
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