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Service bulletin 11-08-49-001T

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 id10137625
Published by NHTSA2018-05-21
Manufacturer's number11-08-49-001T
Manufacturer's date2016-11-07
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.

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

Vehicles listed
BUICK CASCADA2016, 2017
BUICK ENCORE2013, 2014, 2015, 2016, 2017
BUICK ENVISION2016, 2017
BUICK LACROSSE2014, 2015, 2016, 2017
BUICK REGAL2011, 2012, 2013, 2014, 2015, 2016, 2017
BUICK VERANO2012, 2013, 2014, 2015, 2016, 2017
CADILLAC ATS2013, 2014, 2015, 2016, 2017
CADILLAC CT62016
CADILLAC CT6 PLUG-IN HYBRID2017 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CTS2014, 2015, 2016, 2017
CADILLAC ELR2014, 2015, 2016, 2017
CADILLAC ESCALADE2014, 2015, 2016, 2017
CADILLAC ESCALADE ESV2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017
CADILLAC SRX2010, 2011, 2012, 2013, 2014, 2015, 2016
CADILLAC XT52017
CADILLAC XTS2013, 2014, 2015, 2016, 2017
CHEVROLET BOLT EV2017
CHEVROLET CAMARO2010
CHEVROLET CAMARO2014, 2015, 2016, 2017
CHEVROLET CAPRICE2014 to 2017
CHEVROLET CHEVEROLET SS2014 to 2017
CHEVROLET CITY EXPRESS2015, 2016
CHEVROLET COLORADO2015, 2016, 2017
CHEVROLET CORVETTE2014, 2015, 2016, 2017
CHEVROLET CRUZE2011, 2012, 2013, 2014, 2015, 2016, 2017
CHEVROLET EXPRESS2015, 2016, 2017
CHEVROLET IMPALA2014, 2015, 2016, 2017
CHEVROLET MALIBU2014, 2015, 2016, 2017
CHEVROLET ORLANDO2012, 2013, 2014
CHEVROLET SILVERADO2017
CHEVROLET SILVERADO 15002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2012, 2013, 2014, 2015, 2016, 2017
CHEVROLET SPARK2013, 2014, 2015
CHEVROLET SPARK EV2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016, 2017
CHEVROLET TAHOE2015, 2016, 2017
CHEVROLET TRAX2013, 2014, 2015, 2016, 2017
CHEVROLET VOLT2011, 2012, 2013, 2014, 2015, 2016, 2017
GMC ACADIA2016, 2017
GMC CANYON2015, 2016, 2017
GMC SIERRA2017
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016, 2017
GMC YUKON XL2015, 2016, 2017

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

Recalls for the same vehicles and component
20242942024-05-24. Electrical
20232102023-04-06. Electrical
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
20214072021-07-01. Electrical
20194632019-09-19. Electrical
20193252019-06-28. Electrical
20192042019-04-26. Electrical
18V6550002018-09-21. ELECTRICAL SYSTEM
20184812018-09-07. Electrical
20182342018-05-04. Electrical

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
22-NA-0072025-11-15. Service bulletin. This service bulletin provides procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler (CAC) Icing - Malfunction Indicator Lamp (MIL) Illuminated with DTCs P0299, P0234, P0236, P2227, P00C7 Set.
18-NA-1802025-10-16. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802025-09-26. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-0692025-05-06. Service bulletin. This service bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs set.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
21-NA-1392025-05-01. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
24-NA-0982025-04-24. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
15-06-03-001F2025-04-15. Service bulletin. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.