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Service bulletin 17NA327

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 id10134610
Published by NHTSA2018-04-23
Manufacturer's number17NA327
Manufacturer's date2017-10-12
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

This informational bulletin advised the technician of a possible OnStar module configuration concern that can be changed by pressing the blue button to On Star.

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

Equipment and accessories

Vehicles listed
CADILLAC ATS2015, 2016, 2017
CADILLAC CTS2015, 2016, 2017
CADILLAC ESCALADE2017
CADILLAC ESCALADE ESV2017
CHEVROLET CORVETTE2017
CHEVROLET SILVERADO2017
CHEVROLET SUBURBAN2017
CHEVROLET TAHOE2017
GMC SIERRA2017
GMC YUKON2017
GMC YUKON XL2017

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

Recalls for the same vehicles and component
21V4960002021-07-01. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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.
PIC65412024-04-15. Service bulletin. This Preliminary information communicates to the technicians some additional diagnostic tips if they encounter a condition of a dead battery/parasitic drain.
PIT5448J2024-04-15. Service bulletin. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
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
PIT53582024-04-01. Service bulletin. Repetitive Popping Noise From All Speakers.
PIT53542024-04-01. Service bulletin. Identifying If A Vehicle Is Equipped With OnStar 4G LTE Wi-Fi.
PIT53532024-04-01. Service bulletin. XM Audio Traffic And Travel Link Availability And Operation.
PIT5344D2024-04-01. Service bulletin. CD Player Inoperative.