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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery, Starting System And Charging System >> Diagnostic Information and Procedures >> Symptoms - Stop/Start System >> Notes

Symptoms - Stop/Start System: Notes

NOTE:

The following steps must be completed before using the symptom lists.

  1. Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle
    • Verify that no DTCs are set.
    • The control modules can communicate via the serial data link.
  2. Review the system description and operation in order to familiarize yourself with the system functions.Refer to: Stop/Start System Description and Operation (with KL9) .