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Home >> GMC >> 2003 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Gages, And Console >> Diagnostic Information and Procedures >> Symptoms-Instrument Panel, Gages & Console >> Notes

Symptoms-Instrument Panel, Gages & Console: Notes

IMPORTANT: The following steps must be completed before using the symptom tables.
  1. Perform Diagnostic System Check - Instrument Cluster   ,  Diagnostic System Check - Driver Information Systems   or Diagnostic System Check - Audible Warnings   before using the Symptom Tables in order to verify that all of the following are true:
    • There are no DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following: