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Service bulletin PIC6483

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10230705
Published by NHTSA2023-01-30
Manufacturer's numberPIC6483
Manufacturer's date2022-12-22
NHTSA componentELECTRICAL SYSTEM; SERVICE BRAKES

NHTSA's summary

This Preliminary information communicates that a loss of communication with the Brake System Control Module may occur and to contact GMTAC.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Electrical system

Vehicles listed
CADILLAC redundant LYRIQ2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.