WenmarOpen by Wenmar Pro

Service bulletin SB-16-NA-105

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 id10078421
Published by NHTSA2016-08-05
Manufacturer's numberSB-16-NA-105
Manufacturer's date2016-04-01
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

SOME TECHNICIANS MAY FIND DTC U184A - LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM) SET OR STORED IN HISTORY. THIS CONDITION MAY BE DUE TO A FALSE SETTING OF THE DTC.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories

Trouble codes named

U184A

Vehicles listed
CHEVROLET SILVERADO 35002016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO HD2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA HD2016 (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
20-NA-1322024-04-23. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-0522024-04-23. Service bulletin. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5401E2024-04-01. Service bulletin. Radio Inoperative with No Communication and DTC U0184
PIT5387B2024-04-01. Service bulletin. Radio HVAC IPC Blank Out When Operating A Snow Plow.
PIT5378C2024-04-01. Service bulletin. Radio Display May Momentarily Flicker When Vehicle Is First Started.
23-NA-1032024-03-29. Service bulletin. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
11-00-89-005X2024-03-19. Service bulletin. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
07-00-89-037S2024-03-19. Service bulletin. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIP59602024-03-18. Service bulletin. This Preliminary information communicates a restricted part due to stock limitation.