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Service bulletin PIT6533B

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 id11036715
Published by NHTSA2026-09-02
Manufacturer's numberPIT6533B
Manufacturer's date2026-08-28
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.

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.

Vehicles listed
BUICK ENCLAVE2026, 2027
CADILLAC CT52026
CADILLAC ESCALADE2026
CADILLAC ESCALADE ESV2026
CADILLAC ESCALADE IQ2026, 2027
CADILLAC ESCALADE IQL2026, 2027
CADILLAC LYRIQ2026, 2027
CADILLAC VISTIQ2027
CHEVROLET BOLT EV2027 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2026
CHEVROLET TRAVERSE2026, 2027
GMC ACADIA2026, 2027
GMC HUMMER EV PICKUP2026
GMC HUMMER EV SUV2026
GMC SIERRA EV2026 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2026
GMC YUKON XL2026

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