Product Safety Recall N192261050 Unexpected Pull To One Side – 2014-2020 Chevrolet & GMC

October 25, 2019 NHTSA CAMPAIGN NUMBER: 19V761000

Software Error May Cause Unintended Braking

Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the vehicle to pull to one side unexpectedly, increasing the risk of a crash.

 

NHTSA Campaign Number: 19V761

Manufacturer General Motors LLC

Components ELECTRONIC STABILITY CONTROL, SERVICE BRAKES, HYDRAULIC, SERVICE BRAKES

Potential Number of Units Affected 638,068

 

Summary

General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.

 

Remedy

GM will notify owners, and dealers will reprogram the EBCM, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM’s number for this recall is N192261050.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

 

Check if your Vehicle has a Recall


Frequently Asked Questions (FAQs) for Safety Recall N192261050

Unexpected Pull To One Side

 

These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety recall identified above. 

Q1) Which vehicles are involved?
A1) 2014-2018 Chevrolet Silverado
2014-2018 GMC Sierra
2015-2020 Chevrolet Suburban
2015-2020 Chevrolet Tahoe
2015-2020 GMC YukonThese vehicles are equipped with the 5.3 L engine (RPO L83), a 3.08 ratio rear axle (RPO GU4), and 4-wheel drive.
Q2) What is the issue or condition?
A2) If a wheel-speed sensor fails in these vehicles, a software error in the vehicle’s electronic-brake control module (EBCM) can cause the vehicle’s driveline-protection system to activate when (i) the vehicle’s electronic transfer case is set to four-wheel drive or automatic mode, and (ii)  the vehicle is driven between the speeds of 41 and 60 MPH.  If the driveline-protection system activates, the driver will experience unintended braking on the wheel on the opposite side of the failed sensor.

 

Q3) What symptoms may be experienced?  What warning signs may be associated with the issue or condition described?
A3)

 

If a wheel-speed sensor fails, the vehicle’s Electronic Stability Control (ESC) and AntiLock Braking System (ABS) malfunction indicator warning lamps will illuminate and the vehicle’s driver information center will display a “Service StabiliTrak” message.  If these vehicles are driven in this condition while in four-wheel drive or automatic mode at 41-60 MPH, unintended braking on one wheel can occur, causing the vehicle to pull to one side, increasing the risk of a crash.

 

Q4) What is the remedy/repair?
A4) Dealers will reprogram the electronic brake control module (EBCM).

 

Q5) What is the safety risk?  Is the vehicle safe to drive?
A5) Unintended braking on one wheel can occur, causing the vehicle to pull to one side, increasing the risk of a crash.  Owners can eliminate this risk by operating the vehicle in two-wheel-drive mode until the recall repair is performed.

 

Q6) Does the customer have to pay for this remedy/repair?
A6) No, this inspection/repair will be done at no cost to the customer.

 

Q7) Is the remedy/repair available now?
A7) This is a phased launch.  Software is now available for model year 2019-2020 Chevrolet Suburban, Chevrolet Tahoe, and GMC Yukon.  We anticipate software availability for 2014 – 2018 model year Chevrolet Silverado and GMC Sierra 1500 vehicles, and 2015 – 2018 model year Chevrolet Suburban, Chevrolet Tahoe, and GMC Yukon vehicles in the very near future.
Q8) What should customers do until recall repairs can be completed?  Are there any special instructions?
A8) If special instructions are provided, they will be included in the notification letters to customers.  Owners can eliminate this risk by operating the vehicle in two-wheel-drive mode until the recall repair is performed.
Q9) How can customers check to see if their vehicle is involved in this field action?
A9) Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/.
Q10) If customers are concerned, can they get a rental car or courtesy transportation?
A10) Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall.  Please refer to Warranty Administration Bulletin #17-NA-073:  Field Action Courtesy Transportation Policy for further information.


28 Affected Products

Vehicles

MAKE MODEL YEAR
CHEVROLET SILVERADO 1500 2014-2018
CHEVROLET SUBURBAN 2015-2020
CHEVROLET TAHOE 2015-2020
GMC SIERRA 1500 2014-2018
GMC YUKON 2015-2020

6 Associated Documents

Safety Bulletin

RCSB-19V761-5067.pdf 212.98KB

To View or Download this Document Click Here


Manufacturer Notices(to Dealers,etc) – Date: October 24, 2019 Subject: Stop Delivery Order for Upcoming Safety Recall N192261050

RCMN-19V761-8714.pdf 68.371KB

Download (PDF, 67KB)


Recall Acknowledgement

RCAK-19V761-8257.pdf 244.817KB

Download (PDF, 239KB)


Defect Notice 573 Report

RCLRPT-19V761-4660.PDF 215.948KB

Download (PDF, 211KB)


Frequently Asked Questions (FAQs) for Safety Recall N192261050 Unexpected Pull To One Side

RMISC-19V761-2883.pdf 87.952KB

Download (PDF, 86KB)


Chronology

RMISC-19V761-7751.pdf 149.816KB

Download (PDF, 146KB)


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=19V761&docType=RCL



 


 

GM Diagnostic/Programming (TIS2Web)

Approved J2534 Device with TIS2WEB can reprogram 1996 and later All GM Modules.

To obtain the latest electronic controller calibration information for your vehicle, go to https://tis2web.service.gm.com/tis2web and enter the vehicle’s 17 character Vehicle Identification Number (VIN) and select ‘Get CAL ID’.

You can then compare the latest part number with the actual number installed on the vehicle to determine if a reprogram is needed.

The Service Programming System (SPS) application is part of the TIS2Web system. To program an ECU, the SPS application must communicate with the vehicle control modules using the proper J2534 programming interface tool.

The following are the supported interface tools:

OEM GM Tech 2 Dealer Package
Bosch GM MDI 2 (2nd Gen) MDI2 interface

Bosch EL-52100-AM GM Multiple Diagnostic Interface 2 (MDI 2) Kit

CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool

Drew Technologies (DRWCDPLUSKIT) CarDAQ-Plus J2534 Flash Reprogramming Kit
Drew Tech CarDaq-M 2 SAE J2534-1/2 Reflash Reprogramming Tool OEM Diagnostics

Drew Technologies (DRWMONGGM) Mongoose GM Vehicle Interface (VPW/CAN) J2534

 
VSI J2534 ECU Reprogrammer & Diagnostic Adapter
Autel (AULMF2534) MaxiFlash Pro
Dearborn d-Bridge Adapter J2534 OBDII Engineering Tool

The Tech 2 supports model years 1996 and beyond. With the addition of the CAN Diagnostic Interface (CANdi) module, Tech 2 is fully backward compatible with current Tech 2 functionality and operates transparently when diagnosing non-CAN-equipped vehicles.

Servicing the next generation Global A vehicles will require the diagnostic software, GDS2, Global Diagnostic System 2 running on a local PC device while the MDI is connected to the vehicle.

The GM MDI is the Global Diagnostic tool for future vehicles starting with Global A vehicles. The GM MDI was introduced in the fall of 2007 for Pass-Thru programming and offers faster programming speed. It can be used to perform Pass-Thru programming on all vehicles built since 1996 and into the future. Click here to view a list of GDS supported vehicles.

www.acdelcotds.com

 

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Last update on 2019-11-16 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2019-11-16 / Affiliate links / Images from Amazon Product Advertising API

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