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Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 2)  - Determines whether the failure is the result of a faulty transfer case shift control module or the instrument cluster.
Fig 1: Service Indicator Always On Diagnosis
G01668689Courtesy of GENERAL MOTORS CORP.