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Service bulletin PIT6317A

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 id11015581
Published by NHTSA2025-03-12
Manufacturer's numberPIT6317A
Manufacturer's date2025-03-07
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.

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
BRIGHTDROP ZEVO 4002024 (the catalog's model; the bulletin names a series or trim of it)
BRIGHTDROP ZEVO 6002024 (the catalog's model; the bulletin names a series or trim of it)
BUICK ENCLAVE2025
BUICK ENVISION2024
CADILLAC CT52025
CADILLAC ESCALADE IQ2025
CADILLAC LYRIQ2023, 2024
CADILLAC XT42024, 2025
CHEVROLET BLAZER EV2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 4002025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 6002025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET COLORADO2023, 2024
CHEVROLET EQUINOX EV2024 (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 TRAVERSE2024
GMC ACADIA2024
GMC CANYON2023, 2024
GMC SIERRA EV2025 (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.