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Service bulletin PIC6033A

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 id10119031
Published by NHTSA2017-10-15
Manufacturer's numberPIC6033A
Manufacturer's date2016-10-13
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that may have "Service Theft System" message on the Driver Information Center. Technician may find Diagnostic Trouble Code B291B sym 3B and is unable to clear the Diagnostic Trouble Code. Technician will need to restore communication between the Body Control Module and Theft Deterrent Sensor Module to clear the Diagnostic Trouble Code.

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, Software

Trouble codes named

B291B

Vehicles listed
BUICK VERANO2016
CADILLAC ATS2014, 2015
CADILLAC ATS2017
CADILLAC CTS2015, 2016, 2017
CADILLAC ESCALADE2015, 2016, 2017
CADILLAC ESCALADE ESV2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017
CHEVROLET CORVETTE2014, 2015, 2016, 2017
CHEVROLET SUBURBAN2015, 2016, 2017
CHEVROLET TAHOE2015, 2016, 2017
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
14V3010002014-06-06. ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS:FRONT:WARNING LIGHT/DEVICES

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
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130089004H2023-12-11. Service bulletin. Car and Truck Fix it Right the First Time Issues
1300890032023-12-11. Service bulletin. Vehicle Software Enhancements
PIP5632G2023-01-30. Service bulletin. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIP4902Q2023-01-30. Service bulletin. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
17206-22021-04-29. Service bulletin. Certain 2017 model year Cadillac CTS and CTS-V vehicles need to be reprogrammed with an updated software package. This new software package will provide changes to the radio to help the climate control system and certain audio features, including Wi-Fi password recognition, continue to function properly. Also, if equipped with the Forward Collision Alert (FCA) system, this update will provide enhanced menu options.
15-NA-0832021-04-20. Service bulletin. Recovery Process from a Controller Reprogramming Interruption During service reprogramming of the T87 TCM, some technicians may notice the TCM may fail during the reprogramming event and become unresponsive to the Service Programming System (SPS), unresponsive to the GDS2 tool. This bulletin addresses corrective actions to attempt to recover the module before declaring the TCM as a bad part and replacing. During reprogramming, an interruption can cause the module to lock up. A module reset may recover the TCM
21NA0102021-03-01. Service bulletin. This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return.
16NA0192021-02-01. Service bulletin. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.