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May 23, 2023 Service bulletin

Equipment: electrical: radio/tape deck/cd etc.

Cadillac technical service bulletin PIC6506 for 2023 Cadillac Lyriq.

Bulletin number
PIC6506
Component
Equipment: electrical: radio/tape deck/cd etc.
Summary
This Preliminary information communicates to the technicians that if they have a Lyriq that comes in for this concern to disconnect the battery for 15 minutes and retest operation. This could also take a few battery disconnects for the radio to restore functionality. Once restored, technicians are to update the radio and retest.

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