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April 1, 2019 Service bulletin

This Preliminary information communicates that a customer may complain of the Driver Information...

Buick technical service bulletin PIC6333D for 2017 Buick Regal and 2017-2018 Buick Envision.

Bulletin number
PIC6333D
Component
Electrical system: software
Summary
This Preliminary information communicates that a customer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. This may be caused by a software concern in the Instrument panel Cluster(IPC). The dealer is instructed that engineering is working on a resolution to this concern and when it is available a bulletin will be published to inform the dealer of the repair. The dealer is instructed to advise the customer that until a repair is available for this concern changing the station/source or waiting until the song ends should recover the screen.

Owners of these vehicles have filed 32 complaints in the electrical category.

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