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Service bulletin PIP6021B

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 id11024773
Published by NHTSA2025-11-03
Manufacturer's numberPIP6021B
Manufacturer's date2025-10-30
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary Information communicates that, under certain conditions, a MIL (Malfunction Indicator Lamp) illumination or a "Service High Voltage" message may display on the IPC (Instrument Panel Cluster), and the 12V battery may experience discharge.

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
CADILLAC CELESTIQ2025, 2026
CADILLAC LYRIQ2023, 2024, 2025, 2026
CADILLAC OPTIQ2025, 2026
CADILLAC VISTIQ2026
CHEVROLET BLAZER EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EQUINOX EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)

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