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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 583 (Data Link Communication System) >> Diagnostic Information & Procedures >> Scan Tool Does Not Power Up >> Test Description
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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. 4)  - If the battery positive voltage and ground circuits of the DLC are functioning properly. The malfunction must be due to the scan tool.
Fig 1: Scan Tool Does Not Power Up Diagnosis
G01713530Courtesy of GENERAL MOTORS CORP.
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