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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Gages, And Console >> Diagnostic Information & 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: