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Service bulletin 22-NA-078

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 id10210439
Published by NHTSA2022-04-22
Manufacturer's number22-NA-078
Manufacturer's date2022-04-06
NHTSA componentELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM

NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of Turn Signals Inoperable, Erratic, and/or Stay Illuminated After Canceling.

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.

Components

Electrical system, Body control module

Vehicles listed
CHEVROLET SILVERADO 25002022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002022 (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.

Other bulletins for the same vehicles and component
21-NA-2282023-11-20. Service bulletin. This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
070842006Q2022-01-03. Service bulletin. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.