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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1097 (Instrument Panel System Displays & Gages) >> Diagnostic Information and Procedures >> Symptoms - Displays and Gages >> Notes

Symptoms - Displays and Gages: Notes

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The following steps must be completed before using the symptom diagnostic tables.
  1. Before using the symptom diagnostic tables, perform the Diagnostic System Check - Vehicle in order to determine that there are no DTCs set, and that the control modules can communicate via the serial data link:
  2. Review the system operation in order to understand the system functions. Refer to the following description and operations:
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