NHTSA ID Number: 11018048
Manufacturer Communication Number: 23-NA-160
TSB/Document Date: 2025-05-07
Summary
This service bulletin provides repair information to correct a customer concern of IVD Radio Software issues.
Bulletin No.: 23-NA-160
Service Bulletin
Date: April, 2025
TECHNICAL
Subject:
Radio Software Version W38E-170.5.1-M166-SQBR3-187.2 – Multiple Updates
for IVD
Brand:
Model:
Model Year:
VIN:
from
to
from
to
2024
2024
—
—
—
—
XT4
LYRIQ
Silverado EV
Involved Region or Country
North America, Middle East, Cadillac
Korea (South Korea)
Additional Options (RPOs)
Equipped with Infotainment System RPO IVD
Condition
Some customers may comment on software related issues. Continuous improvement
software updates are being released with improvements made in several areas.
Cause
The cause of the condition may be software anomalies.
Correction
Newer software has been released for the 2024 XT4 and LYRIQ. Refer to bulletin 23NA-222.
Newer software has been released for the 2024 Silverado EV. Refer to bulletin 23NA-227.
A new radio software update, version W38E-170.5.1-M166-SQBR3-187.2, was released
to service for vehicles equipped with Infotainment system RPO IVD being brought into
the service department. In addition to providing general robustness and stability
enhancements, this update includes all enhancements from previous software version
releases. Along with the vehicles mentioned above; fleet customers may need the dealer
to reprogram the radio with the new software package.
This new radio software update has been released via an Over-the Air-Update. the
customer will receive a Software Update notification once the software has been
downloaded to their vehicle. Customers need to accept the OTA when prompted.
Caution: to avoid potential programming errors, ensure both programming events (Programming and USB File Transfer) are performed.
Important: Improvements will vary by model, build configuration, system, and sales region. Not all vehicles have all features.
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.
Notable Improvements:
Radio:
• Podcast slider disappears.
• Flashing white screen when touching Phone icon.
• Camera app does not launch with manual input.
• Universal remote menu selections not functioning.
• Audio source changes after sleep cycle.
• VCU resets.
Copyright 2025 General Motors. All Rights Reserved.
Page 2
April, 2025
Bulletin No.: 23-NA-160
• Repeat OnStar advisor call doesn't show a call screen.
• OnStar TBT Navigation next maneuver bar doesn’t activate.
• Rear View Camera inoperable.
Phone:
• CarPlay black screen.
Display:
• Trip reset button does not highlight when pressed.
• HUD does not show navigation information.
• Missing speed limit icon.
• Black radio screen after charging but functioning touch/audio.
• Both screens blank at start up (XT4 Only).
Charging App:
• Time to charge text has missing/incorrect character icons.
• Delay charging time is formatted wrong.
• Peak in charging complete time is not correct.
Version
4
Modified
Released September 12, 2023
Revised December 14, 2023 – Removed the 2024 Cadillac LYRIQ and Chevrolet
Silverado.
Revised January 23, 2024 – Added 2024 Cadillac LYRIQ and Chevrolet Silverado,
Removed Warranty Information.
Revised April 07, 2025 – Added bulletin references at beginning of Correction section
and removed Service Procedure.
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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TSB/Document ID: 23-NA-160
Replacement Service Bulletin Number:
MFR Communication Date: 2025-04-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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