NHTSA ID Number: 11004657
Manufacturer Communication Number: 24-NA-108
TSB/Document Date: 2024-07-12
Summary
This service bulletin provides a procedure to correct radio software concerns.
Bulletin No.: 24-NA-108
Service Bulletin
Date: June, 2024
TECHNICAL
Subject:
Brand:
Radio Software Version V171 Update
Model:
Model Year:
from
VIN:
to
Encore GX
2021
2023
Enclave
2022
2024
XT4
2021
2023
XT5
2021
2024
XT6
2021
2024
Blazer
2021
2023
Camaro
2021
2023
Corvette
2021
2023
Malibu
2021
2023
Silverado
2500/3500
2021
2023
Trailblazer
2021
2023
Silverado
1500
2021
2021
Silverado
1500 LTD
(RPO J21,
VIN Digit 5
= W / Y)
Silverado
1500 New
(RPO J22,
VIN Digit 5
= A / D)
2022
2022
2022
2023
Bolt EUV
2022
2023
Equinox
2022
2023
Traverse
2022
2023
Sierra 1500
2021
2021
Sierra 1500
Limited (RPO
J21, VIN Digit
5 = 8 / 9)
Sierra 1500
New (RPO
J22, VIN Digit
5 = H / U)
2022
2022
Acadia
2021
2023
Copyright 2024 General Motors
. All Rights Reserved.
from
to
—
—
All
All
Page 2
Brand:
June, 2024
Model:
Model Year:
from
Bulletin No.: 24-NA-108
VIN:
to
from
Sierra
2500/3500
2021
2023
Terrain
2022
2023
to
Involved Region or Country
North America, Chile, Colombia, Ecuador, Paraguay, Peru, Uruguay, Europe, Russia,
Middle East, Israel, Palestine, Japan, Cadillac Korea (South Korea), GM Korea Company, China, Thailand, Australia/New Zealand
Additional Options (RPOs)
Equipped with Infotainment System RPO IOS, IOU or IOT
Condition
Some customers may comment on software related issues.
Continuous improvement software updates are being released with improvements
made in several areas. V171 contains over 35 improvements as listed below.
Cause
The cause of the condition may be software anomalies.
Correction
A new radio software update, version V171, was released to service vehicles equipped
with Infotainment system RPO IOS, IOU or IOT.
In addition to providing general robustness and stability enhancements, this update
includes all enhancements from previous software version releases.
Note: The IOR radio does not get V171 and uses a totally different software. DO NOT
attempt to program an IOR radio with the software referenced in this bulletin.
Important: Some technicians are reporting that the radio remains on an older software
version after the radio displays the software update completed successfully. It is important to ensure that the technician is inspecting the full information found within Build Number and not other rows of information on the same screen. This requires the user to locate the Build Number, and then select the Information icon (circled lower-case) to see
the full software version file name. In these radios, the build number may begin with a
letter other than “V” but this is NOT the software version and is not unique to the software
release.
Important: After pressing the information icon, review the full software version file name.
In the middle of this long file name you see the V171 (or numerically higher/lower if a different version is installed).
Important: Service agents must comply with all
International, Federal, State, Provincial, and/or
Local laws applicable to the activities it performs
under this bulletin, including but not limited to
handling, deploying, preparing, classifying,
packaging, marking, labeling, and shipping
dangerous goods. In the event of a conflict
between the procedures set forth in this bulletin
and the laws that apply to your dealership, you
must follow those applicable laws.
V171 Improvements
Important: Improvements will vary by model, build
configuration, system, and sales region. Not all vehicles
have all features.
• OnStar and Wi-Fi may not work after remote start
• CarPlay may not automatically reconnect
• Part of the Driver Attention messaging screen may
be in English even though the language is set to
something else
• XM may not work
• After a dead 12V the radio may set to Arabic at
each startup
• Bluetooth contacts might not be able to sync with
the vehicle
• During an OTA the 12V battery may drain
• Customer might see a screen telling them to return
to the dealer
• After changing the WiFi SSID or password a
device may not disconnect
• If a device is connected on the 2.4Ghz band,
nothing will connect to the 5Ghz one, which could
show as slow WiFi speeds
• Customers might have noticed WiFi dropping in
certain areas and reconnecting later
• Customer might see the top of the screen blinking
during Android Auto
• Android Auto may not connect
• CarPlay audio might momentarily cut out
• This will help in the future to root cause these
failures
• The "Add Phone" button may be grayed out
• The radio may not start up
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.
Bulletin No.: 24-NA-108
June, 2024
• 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.
• 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 http://www.gmdesolutions.com for further information. If not available,
connect a fully charged 12V jumper or booster
pack disconnected from the AC voltage supply. DO
NOT connect 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.
• Please verify that the radio time and date are set
correctly before inserting USB drive into vehicle for
programming, otherwise an error will result.
• Clear DTCs after programming is complete.
Clearing powertrain DTCs will set the Inspection/
Maintenance (I/M) system status indicators to NO.
Important: The service technician always needs to
verify that the VIN displayed in the TLC left side drop
down menu and the top center window match the VIN
plate of the vehicle to be programmed prior to using
Service Programming System 2 (SPS2) for
programming or reprogramming a module.
Page 3
• For the TLC application, service technicians need
to always ensure that the power mode (ignition) is
“ON” before reading the VIN from the vehicle’s VIN
master module and that they do not select a VIN
that is already in the TLC application memory from
a previous vehicle.
• If the VIN that shows up in the TLC top center
window after correctly reading the VIN from the
vehicle does not match the VIN plate of the
vehicle, manually type in the VIN characters from
the vehicle VIN plate into the TLC top center
window and use these for programming or reprogramming the subject module with the correct
vehicle VIN and software and/or calibrations.
• The Engine Control Module (ECM) is the master
module (for VIP vehicles) that TLC reads to
determine the VIN of the vehicle. If the VIN read
from the vehicle by TLC does not match the VIN
plate of the vehicle, the ECM also needs to be
reprogrammed with the correct VIN, software and
calibrations that match the vehicle’s VIN plate.
• The Body Control Module (BCM) is the master
module (for GEM vehicles) that TLC reads to
determine the VIN of the vehicle. If the VIN read
from the vehicle by TLC does not match the VIN
plate of the vehicle, the BCM also needs to be
reprogrammed with the correct VIN, software and
calibrations that match the vehicle’s VIN plate.
Caution: Be sure the VIN selected in the drop down
menu (1) is the same as the vehicle connected (2)
before beginning programming.
Page 4
June, 2024
Bulletin No.: 24-NA-108
5743643
Important: If the vehicle VIN DOES NOT match, the
message below will be shown.
5877000
Bulletin No.: 24-NA-108
June, 2024
Page 5
5644477
Page 6
June, 2024
Bulletin No.: 24-NA-108
5431207
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 screen instructions. After a successful
programming event, the WCC is located in the Service
Programming System dialogue box of the SPS
Summary screen. Record the WCC on the job card. No
further action is required. Refer to the Warranty Information section of this bulletin.
1. Reprogram the radio. Refer to A11 Radio:
Programming and Setup in SI. Modify as required.
Bulletin No.: 24-NA-108
June, 2024
Page 7
5644478
Page 8
June, 2024
Bulletin No.: 24-NA-108
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. Record the SPS Warranty Claim Code on the job
card for warranty transaction submission.
Parts Information
No parts are required for this repair.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation
Description
Labor Time
2810335*
Radio Reprogramming with SPS
Use Published Labor Operation Time
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
3. Select Settings.
If the SPS Warranty Claim Code was not recorded on
the Job Card, the code can be retrieved in the SPS
system as follows:
4. Select the Warranty Claim Code tab.
1. Open TLC/TIS on the computer used to program
the vehicle.
2. Select and start SPS/SPS2.
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.
Bulletin No.: 24-NA-108
June, 2024
Version
1
Modified
Released June 17, 2024
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job
properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
Page 9
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TSB/Document ID: 24-NA-108
Replacement Service Bulletin Number:
MFR Communication Date: 2024-06-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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