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NHTSA ID Number: 10199258
Manufacturer Communication Number: 21NA044
Summary
This technical bulletin provides repair information to correct a customer concern of SUV Vehicle Software Configuration Management Update (VeSCoM).
4 Affected Products
Vehicles
MAKE | MODEL | YEAR |
CHEVROLET | SUBURBAN | 2021 |
CHEVROLET | TAHOE | 2021 |
GMC | YUKON | 2021 |
GMC | YUKON XL | 2021 |
Condition
Some customer 2021 SUVs need to receive the latest vehicle software configuration management (VeSCoM) software update.
Some of the notable messages and/or DTCs technicians may find in the DIC corrected through VeSCoM include:
• U0132 Service Leveling or Service Headlamp
• P2B87 AUX Water Pump
• U0230 Power Liftgate Inoperative
• U3006 and U3007 Low Voltage
• Rear Seat Infotainment – Touch inoperative
• U3000.49 Service Driver Assist – LRR
• U3000.71, .72, .96 Service Steering Column Lock ESCL
• EBCM C0024 Antilock Brake System
• P12A6 No Start – ECM
• No Start/DIC/MIL – Low Battery Voltage
• No Backup or 360 Cameras – VPM Offline
• C2A21 Park Brake, EPB Light and “Service Transmission” after Low Voltage
• No Start or MIL with U1962 Data Communications
• Service Leveling System – No DTCs
Cause
The cause of the condition may be software anomalies.
Correction
Dealers will sequentially reprogram affected modules with service programming system (SPS) or techline connect (TLC).
SEOCONTENT-START
Service Bulletin Bulletin No.: 21-NA-044
Date: May, 2021
TECHNICAL
Subject: Vehicle Software Update (VeSCoM)
Brand: Model:
Model Year: VIN: Engine: Transmission:
from to from to
Chevrolet
Suburban
2021 2021
Tahoe
GMC
Yukon
2021 2021
Yukon XL
Involved Region or Country North America
Additional Options (RPOs)
Condition
Some customer 2021 SUVs need to receive the latest vehicle software configuration
management (VeSCoM) software update.
Some of the notable messages and/or DTCs technicians may find in the DIC corrected
through VeSCoM include:
• U0132 Service Leveling or Service Headlamp
• IPC- Intermittent Blank IPC
• P2B87 AUX Water Pump
• U0230 Power Liftgate Inoperative
• U3006 and U3007 Low Voltage
• Rear Seat Infotainment – Touch inoperative
• U3000.49 Service Driver Assist – LRR
• U3000.71, .72, .96Service Steering Column Lock ESCL
• EBCM C0024 Antilock Brake System
• P12A6 No Start – ECM
• No Start/DIC/MIL – Low Battery Voltage
• No Backup or 360 Cameras – VPM Offline
• C2A21 Park Brake, EPB Light and “Service Transmission” after Low Voltage
• No Start or MIL with U1962 Data Communications
• Service Leveling System – No DTCs
Cause The cause of the condition may be software anomalies.
Correction Dealers will sequentially reprogram affected modules with service programming system
(SPS) or techline connect (TLC).
Service Procedure
Caution: Before downloading the update files, be sure
the computer is connected to the internet through a
network cable (hardwired). DO NOT DOWNLOAD or
install the files wirelessly. If there is an interruption
during programming, programming failure or control
module damage may occur.
Note: Carefully read and follow the instructions below.
• Ensure the programming tool is equipped with the
latest software and is securely connected to the
data link connector. If there is an interruption
during programming, programming failure or
control module damage may occur.
Page 2 May, 2021 Bulletin No.: 21-NA-044
• Stable battery voltage is critical during
programming. Any fluctuation, spiking, over
voltage or loss of voltage will interrupt
programming. Install a GM Authorized
Programming Support Tool to maintain system
voltage. Refer to www.gmdesolutions.com for
further information. If not available, connect a fully
charged 12 V jumper or booster pack
disconnected from the AC voltage supply. DO
NOTconnect a battery charger.
• Follow the on-screen prompts regarding ignition
power mode, but ensure that anything that drains
excessive power (exterior lights, HVAC blower
motor, etc) is off
• Clear DTCs after programming is complete.
Clearing powertrain DTCs will set the Inspection/
Maintenance (I/M) system status indicators to NO.
Caution: Be sure the VIN selected in the drop down
menu (1) is the same as the vehicle connected (2)
before beginning programming.
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Bulletin No.: 21-NA-044 May, 2021 Page 3
5644477
5431207
Page 4 May, 2021 Bulletin No.: 21-NA-044
Important: Techline Connect and TIS2WEB screens
shown above.
Important: If the Same Calibration/Software Warning
is noted on the TLC or SPS Summary screen, select
OK and follow on-screen instructions. The system will
generate a warranty claim code (WCC) for
documentation purposes only. Perform service
information (SI) diagnostics to determine the cause of
the condition. Use the applicable labor operation code
when submitting a warranty claim. Do NOT use the
WCC with the warranty claim submission.
Important: When programming a module in GM’s new
Vehicle Intelligence Platform, or VIP, the power mode
(ignition) needs to be off or errors may occur. This
involves the 2020 Chevrolet Corvette, Cadillac CT5 and
CT4, as well as the upcoming full-size Chevrolet, GMC,
Cadillac SUVs and Buick Envision. Serial Data
Message Authentication also needs to have the
ignition off.
Important: This Field Action Sequence will not run
Serial Data Message Authentication (SDAC)
automatically at the end. If Authentication Serial Data
DTC’s are set, please reference Document ID: 5199706
in eSI DTC U1960-U1962, U3034, or U3035.
1. Reprogram the sequential multiple modules
through SPS/Techline Connect (SPS and Techline
Connect screens shown) by selecting “ZFA –
Multimodule Coordinated Sequence-Bulletin
N202318500” on the select controller screen as
shown. Select “Next” and follow all on screen
instructions.
5644478
Bulletin No.: 21-NA-044 May, 2021 Page 5
5431209
Note: The screenshots above are an example of
module programming and may not be indicative of the
specific module that is being programmed. Module
selection and VIN information have been blacked out.
Important: To avoid warranty transaction rejections,
you MUST record the warranty claim code provided on
the SPS Warranty Claim Code (WCC) screen shown
above on the job card. Refer to callout 1 above for the
location of the WCC on the SPS screen
2. After programming is finished, open GDS2.
Navigate to Vehicle Diagnostics -> Vehicle DTC
information and clear codes in all modules.
3. Record SPS Warranty Claim Code on job card for
warranty transaction submission.
Page 6 May, 2021 Bulletin No.: 21-NA-044
Warranty Information
For vehicles repaired under the Bumper-to-Bumper
coverage (Canada Base Warranty coverage), use the
following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH)
for coverage information.
Labor Operation Description Labor Time
9700025* Sequential Module Reprogramming with SPS or TLC 1.1 hr
*This is a unique Labor Operation for Bulletin use only.
Important: **To avoid warranty transaction rejections, carefully read and follow the instructions below:
• The Warranty Claim Code must be accurately entered in the “SPS Warranty Claim Code” field of the transaction.
• When more than one Warranty Claim Code is generated for a programming event, it is required to document all Warranty
Claim Codes in the “Correction” field on the job card. Dealers must also enter one of the codes in the “SPS Warranty Claim
Code” field of the transaction, otherwise the transaction will reject. It is best practice to enter the FINAL code provided by
SPS/SPS2.
Warranty Claim Code Information Retrieval
If the SPS Warranty Claim Code was not recorded on
the Job Card, the code can be retrieved in the SPS
system as follows:
1. Open SPS/TLC on the computer used to program
the vehicle.
2. Select and start SPS/SPS2.
3. Select Settings.
4. Select the Warranty Claim Code tab.
The VIN, Warranty Claim Code and Date/Time will be
listed on a roster of recent programming events. If the
code is retrievable, dealers should resubmit the
transaction making sure to include the code in the SPS
Warranty Claim Code field.
Version 2
Modified Released March 09, 2021
Revised May 10, 2021 – Updated Subject, Service Procedure, and Warranty Information
sections.
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-044
Date: May, 2021
https://www.nhtsa.gov/recalls?nhtsaId=10199258
MC-10199258-9999.pdf 2918.351KB
NHTSA ID Number: 10198867
Manufacturer Communication Number: 21NA044
Summary
This technical bulletin provides repair information to correct a customer concern of SUV Vehicle Software Configuration Management Update (VeSCoM).
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-044
Date: May, 2021
https://www.nhtsa.gov/recalls?nhtsaId=10198867
MC-10198867-9999.pdf 2918.351KB
Reprogramming
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:
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.
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- CUSTOM-DESIGNED FOR USE WITH FORSCAN and recommended by the FORScan Team
- DEALERSHIP-LEVEL DIAGNOSTICS: OBDLink EX supports all Ford protocols, modules, and advanced features of FORScan
- ELECTRONIC SWITCH allows FORScan to access all CAN buses simultaneously and enables advanced functions not possible with “toggle switch” adapters
- MAXIMUM THROUGHPUT -- up to 20 times faster than “toggle switch” adapters
- ROCK-SOLID CONNECTION avoids data corruption and dropped packets
- 🚗[Technical assistance] If you have any installation problems, download the installation manual. Or please contact us at any time. We can provide technical support and help you install software online
- 🚗[Vehicle Coverage] Installation Tips: Please turn off anti-virus software before install. VXDIAG VCX NANO fully compatible with SAE-J2534-1 & SAE-J2534-2. All current and most legacy vehicle protocols: CAN, UART, KW2000, Class2, GM LAN, etc.
- 🚗[Functional] ●USB vehicle-to-PC connectivity●Supports Windows,XP●Supports Windows 7● CE and FCC compliance for hardware●Firmware Updatable. 【SPS】Service Programming System: ◎Passthrough programming on GM past model and Global A vehicles◎Increase reprogramming speed 20-70% and get ready to service new models.
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