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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Power Sun Roof >> Diagnostic Information and Procedures >> Symptoms - Roof >> Notes

Symptoms - Roof: Notes

IMPORTANT: Complete the following steps before using the symptom tables.
  1. Perform Diagnostic System Check - Power Sunroof  before using the Symptom Tables in order to verify that all of the following conditions are true:
    • No DTCs are set.
    • The control modules can communicate via the serial data link.
  2. Review the system operation in order to learn the system functions. Refer to Power Sunroof Description and Operation 
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