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Service bulletin PIP6099

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 id11027888
Published by NHTSA2026-01-30
Manufacturer's numberPIP6099
Manufacturer's date2026-01-20
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This P/I is advising that the TCM should not be replaced for DTC P16F4 and to request FSE assistance for a TCM data pull.

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.

Trouble codes named

P16F4

Vehicles listed
BUICK ENCLAVE2026
BUICK ENVISION2026
CADILLAC ESCALADE2026
CADILLAC ESCALADE ESV2026
CADILLAC ESCALADE ESV IQ2026 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC LYRIQ2026
CADILLAC OPTIQ2026
CADILLAC VISTIQ2026
CHEVROLET BLAZER EV2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 4002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 6002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EQUINOX2026
CHEVROLET EQUINOX EV2026 (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
GMC ACADIA2026
GMC SIERRA EV2026 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2026
GMC YUKON2026
GMC YUKON XL2026

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