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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof System >> Diagnostic Information and Procedures >> Symptoms - Roof >> Notes

Symptoms - Roof: Notes

NOTE:

Complete the following procedures before using the symptom tables.

  1. Perform the Diagnostic System Check - Vehicle in order to verify that all of the following conditions are true:
    • There are no DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review the system description and operation in order to learn the system functions. Refer to Sunroof Description and Operation (Tilt and Slide System) .
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