NHTSA ID Number: 10176618
Manufacturer Communication Number: 19NA269
TSB/Document Date: 2020-06-22
Summary
This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update.
Service Bulletin
Bulletin No.:
19-NA-269
Date:
May, 2020
TECHNICAL
Subject:
Radio Software Version U148 Over-the-Air Update
Model Year:
VIN:
Brand:
Model:
Encore
2020
2020
Enclave
2020
2020
Verano
2020
2020
2020
2020
from
to
from
to
Engine:
All
All
CT6
(China only)
Cadillac
XT4
XT5
XT6
Blazer
Camaro
Cruze
Silverado
1500
2020
2020
Silverado
2500HD/
3500HD
Traverse
Acadia
2020
2020
Sierra 1500
2020
2020
Sierra
2500HD/
3500HD
2020
2020
Involved Region or Country
North America, Europe, Russia, Middle East, Israel, Palestine, Brazil, Chile, Colombia,
Ecuador, Paraguay, Peru, Uruguay, Japan, Cadillac Korea (South Korea), GM Korea
Company, China, Thailand
Additional Options (RPOs)
Equipped with Infotainment System RPOs IOS, IOT or IOU
Copyright 2020 General Motors LLC. All Rights Reserved.
Page 2
May, 2020
Bulletin No.: 19-NA-269
Condition
Some customers may comment on software issues. A continuous improvement software
update is being released with updates made on the following areas: Bluetooth, Projection
(Android Auto/Apple CarPlay), Audio, Sirius XM, Navigation, Diagnostics, and general
system improvements. Most notable improvements include:
• Bluetooth:
– Answer an Android Auto call the Bluetooth audio continues to play in speakers and
call audio remains on device
– Phone deleted after radio displays “busy”
– Phone loses connection on next ignition cycle or will not reconnect
– No incoming call ringer
– No audio until source change
• Audio:
– No audio. A loss of volume could occur any time, or on start up or after a profile
loads
– Increase gain for USB source
• Sirius XM:
– No audio.
– Improvements for displaying Sirius XM loading, or Acquiring signal and won't play
SXM audio.
– Missing Sirius XM metadata.
– IP station plays same song.
– Improved IP streaming connectivity.
– No recovery of signal after leaving a no signal environment (e.g. parking structure).
• Navigation:
– Highway mode error [Korea]
– Navigation reset or poor performance in low connectivity areas
• Diagnostics:
– Improved diagnostics for DTC U190B/B127E 06
• System:
– System lock-up, display stuck, flickering, black or blank display screen
– Improved operation during boot up
– Maintenance reminder synchronization between mobile app and radio
Cause
The cause of the condition may be software anomalies.
Correction
A new radio software update, version U148, is being released for vehicles equipped with
Infotainment system RPO IOS, IOT or IOU, in addition to providing general robustness
and stability enhancements. This update includes all enhancements from previous
software version releases.
This update can occur remotely through in-vehicle prompts from the radio display.
However, some customers may decline the vehicle update or the update may be
unsuccessful. Along with the vehicles mentioned above, vehicles in unconnected
markets, and fleet customers may need the dealer to reprogram the radio with the new
software package.
Service Procedure
Important: If the remote vehicle update has been
downloaded or installed, DO NOT install the update via
USB. DO NOT attempt to complete the programming
event without reading Determining Where to Start –
Checking for Update Status first to avoid programming
failures or module lockup conditions.
Important: Be sure to keep the vehicle doors closed
prior to beginning, and during, the USB programming
event.
Tip: Tripping the door latch to closed status with the
door open will allow exit of the vehicle during the
programming process. Do NOT open the latch until
programming is complete.
The update procedure in this bulletin includes the
following four sections:
• Determining Where to Start - Checking for Update
Status
• Update Procedure Using Remote Vehicle Update
• Update Procedure Using TIS2WEB (USB
Download)
• Troubleshooting
Important: DO NOT attempt to complete the
programming event without reading Determining Where
to Start – Checking for Update Status first to avoid
programming failures or module lockup conditions.
Bulletin No.: 19-NA-269
May, 2020
Page 3
Determining Where to Start – Checking for
Update Status
The process used for this update is dependent on the
status of the software on the module and if the module
already has a remote install package downloaded. To
verify if an update package is already on the vehicle,
open “Settings” and then scroll to “Updates” on the
radio screen.
• If an update is shown under the “Updates” screen,
proceed to the Update Procedure Using Remote
Vehicle Update section of this document.
5313331
•
If no update is shown (see “No Updates Available”
image in next section), go to the “About” screen
and verify the build number (i.e., U145, U146,
etc.). If the build number is less than U148,
proceed with the software update following the
Update Procedure Using TIS2WEB (USB
Download) section of this document.
Page 4
May, 2020
Bulletin No.: 19-NA-269
5313332
Caution: If Vehicle Update screen shows
“Infotainment System Update” (such as the screen
above), do not use TIS2WEB or insert a USB stick. Use
of the USB stick when the Remote Update has already
been downloaded, installed, or paused during
installation could result in program failures or module
lockup condition. The update should be completed
using the Remote Vehicle Update procedure, following
prompts on the infotainment screen. Refer to Update
Procedure Using Remote Vehicle Update after reading
the remaining information in this section if the Remote
Update has already been downloaded to the radio.
• If the remote vehicle update CANNOT be
completed, the radio must be updated through
SPS via USB. Refer to Update Procedure Using
TIS2WEB (USB Download) in this bulletin.
Bulletin No.: 19-NA-269
May, 2020
Page 5
Update Procedure Using Remote Vehicle
Update
1. Verify if there is a remote package on the system,
and check to see which of the below pop ups show.
• If the remote vehicle update has not been
downloaded, select “Start Download,” wait for
the download to complete and then follow the
prompts to complete installation.
5313328
• If no “Start Download” or “Install Now” pop up is
displayed, navigate to “Settings” -> “Updates.” If
there is a remote package on the system, it will
display “Install Now” Or “Start Download.” If the
screen below is shown, then there is no remote
update package on the system. Navigate to
Settings -> About to verify the software version.
If the build number is not U148 or greater,
update via USB.
Page 6
May, 2020
Bulletin No.: 19-NA-269
5313324
Important: During installation, the vehicle will be
disabled and cannot be driven. Features like door
locks, windows and chimes may not work. If you leave
the vehicle, DO NOT lock occupants inside.
Note: Download may pause due to cellular connection
speed. If the download pauses, click resume to
continue. If the download takes longer than 30 minutes,
see the Troubleshooting section below.
2. Once the remote vehicle update has completed,
verify there are no additional updates. Select
“Settings”, scroll down and select “Updates.” If no
updates are available, verify software build is at
U148 or greater in “Settings” -> About screen. If
confirmed, no further action is required.
Update Procedure Using TIS2WEB (USB
Download)
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.
Important: 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.
• 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 12V jumper or booster pack disconnected
from the AC voltage supply. DO NOT connect a
battery charger.
• Turn OFF or disable systems that may put a load
on the vehicles battery such as; interior lights,
exterior lights (including daytime running lights),
HVAC, etc.
• Clear DTCs after programming is complete.
Clearing powertrain DTCs will set the Inspection/
Maintenance (I/M) system status indicators to NO.
Bulletin No.: 19-NA-269
May, 2020
Page 7
5431207
Important: TIS2WEB screen shown. Techline Connect
screen is similar and will be included soon.
Important: If the Same Calibration/Software Warning
is noted on the SPS 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. No
further action is required. Refer to the Warranty
Information section of this bulletin.
1. Start SPS, select Radio – USB File Transfer and
follow the on-screen instructions.
Page 8
May, 2020
Bulletin No.: 19-NA-269
5431209
Important: TIS2WEB screen shown. Techline Connect
screen is similar and will be included soon.
Important: To avoid warranty transaction rejections,
you MUST record the warranty claim code provided on
the SPS Warranty Claim Code (WCC) screen 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.
Important: Be sure to keep the vehicle doors closed
prior to beginning, and during, the USB programming
event.
Tip: Tripping the door latch to closed status with the
door open will allow exit of the vehicle during the
programming process. Do NOT open the latch until
programming is complete.
3. Insert the USB into the vehicle while in Park. On
the radio screen, select “Settings” —> “Updates” or
select “Learn More” on pop up after USB insertion.
4. Select Install Update.
5. Follow on screen prompts to complete the update.
Bulletin No.: 19-NA-269
May, 2020
Page 9
5313321
•
Clear DTCs after programming is complete.
Clearing powertrain DTCs will set the Inspection/
Maintenance (I/M) system status indicators to NO.
Troubleshooting
Important: When downloading USB update files, be
sure the computer is connected to the internet through
a network cable (hardwired). DO NOT DOWNLOAD the
files wirelessly.
Important: If having issues with the USB drives, try
using a different brand. The USB drive should be
USB 3.0.
Important: It is normal operation of the Over-the-Air
(OTA) update process for a radio to remain on for 30
seconds after ignition is turned off and retained
accessory power (RAP) has been disabled. The radio
will return to normal power down operations, i.e. off
when RAP is disabled, once the OTA update has been
installed.
Scenario 1: Vehicle conditions are not ideal.
Page 10
May, 2020
Bulletin No.: 19-NA-269
5313329
If the above screen is shown, download the update
through TIS2Web and perform USB update. Upon USB
insertion while vehicle is running, the “Install Now” pop
up will be presented. Ensure the vehicle battery is
being maintained (using EL-49642 or battery
maintainer) while performing this update.
Scenario 2: Consistently Paused Download
Bulletin No.: 19-NA-269
May, 2020
Page 11
5313326
If the above screen is shown and resuming the
download repeatedly fails, a USB update will need to
be performed. Turn the vehicle on, return to the home
screen, and insert USB stick (see previous section). A
pop up should be shown to “Install Now.” Click “Install
Now”, verify the part number is correct and follow on
screen prompts.
Scenario 3: Update Failed. Return to dealer screen.
Page 12
May, 2020
Bulletin No.: 19-NA-269
5313330
1. If the above screen is shown, download the update
through TIS2Web and insert USB stick into the
radio twice (USB stick is not recognized on first
insertion). A blue progress bar should come on the
screen and update will proceed. If this screen
above is shown when trying to update the radio
through USB, reformat to FAT32 on your PC, and
then try to download the update through TIS2WEB
again.
2. After selecting USB File Transfer, if you are
prompted by TIS2Web to select a software P/N,
then follow the on-screen instruction to attempt to
gather the software P/N from the A11 Radio using
GDS2 scan tool. If GDS2 indicates the radio is not
communicating, go back to TIS2Web, select A11
Radio, and select when radio displays “Update
failed. Return to dealer. ” to complete the USB
File Transfer programming event.
3. If the screen above is shown again, contact
Technical Assistance (TAC) for further assistance.
Bulletin No.: 19-NA-269
May, 2020
Page 13
Parts Information
No parts are required for this repair.
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
9104794*
Remote Vehicle Update:
TIS2WEB/USB Download
Not Required
0.3 hr
9104713**
Radio Module
Reprogramming with
SPS/USB
0.3 hr
*This is a unique Labor Operation for bulletin use only.
Important: **To avoid warranty transaction rejections,
carefully read and follow the instructions below:
• Submit as Transaction Type ZREG.
• The SPS 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.
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 TIS on the computer used to program the
vehicle.
2. Select and start SPS.
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 December 10, 2019
May 18, 2020 – Added the Encore, Enclave, Blazer and Camaro models, updated the
Involved Region or Country section, updated information under Audio and System in the
Condition and updated programming information under Service Procedure and Warranty
Information.
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.
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Replacement Service Bulletin Number:
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