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Service bulletin PIC6556H

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 id11012948
Published by NHTSA2025-01-20
Manufacturer's numberPIC6556H
Manufacturer's date2025-01-10
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 SYM57 or B0126 SYM82 setting with no other DTCs.

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

B0126, B1DD0

Vehicles listed
BUICK ENCLAVE2025
CADILLAC CT52025
CADILLAC ESCALADE2025
CADILLAC ESCALADE ESV2025
CADILLAC ESCALADE IQ2025
CADILLAC LYRIQ2023, 2024, 2025
CADILLAC OPTIQ2025
CHEVROLET BLAZER EV2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EQUINOX EV2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2025
CHEVROLET TRAVERSE2024, 2025
GMC ACADIA2024, 2025
GMC SIERRA EV2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2025
GMC YUKON XL2025

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