Subject: Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 – Multiple
Updates for IVD
This Technical Service Bulletin replaces PIT6092. Please discard PIT6092.

Brand:

Model:

Model
Year:
from

Chevrolet

Silverado
EV

to

VIN:

Engine:

Transmission:

from ot

2024 2024

Involved Region or
Country

North America

Additional Options
(RPOs)

Equipped with 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

A new radio software update, version W27E-172.5.1-M169-SQBR4-126.1, 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. 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.
Most notable improvements contained in this release may include:

Notable Improvements:
Radio:
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Stability improvements
RVC does not work or shows red triangle
Delayed RVC
Cannot launch Android Auto/Apple CarPlay
Infotainment lockout while driving not working
HVAC screen missing icons/text
Bad audio quality
CarPlay black screen
No Audio
Radio stays on Bluetooth instead of Android Auto/Apple CarPlay
Virtual Controls not responding when pressed during welcome animation

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Add Phone button not responding
Welcome animation freezes
Camera view selection not available
Overspeed chime does not continuously play
Pop Up Window layout issues
Welcome animation plays twice after quick door open ignition on
Reset Trip not functioning
Add profile stuck loading
Universal Remote settings do not respond correctly
Ambient Lighting app crashes
Ambient lighting app not working
Ambient Lighting missing audio selection feedback
Forward camera exits at speeds lower than target speed
Radio does not respond/freezes
Driver settings not being saved
Trailering Light Test screen stuck
Android Auto display shifted on the screen
Android Auto/Apple CarPlay won't launch after switch user
Profiles page blank after deleting new profile
Radio resets after sleep cycle
Audio app crashes
RVC stays on incorrectly
Audio does not lower for notifications
Switching themes not working
(EV only) Audio issues when using MaxPower Mode
Tire pressure not updating (vehicle info)
Audio plays during a call
Audio settings page layout errors
Blank screen when pushing back button on teen driver add key pop up
Virtual Lighting controls not functioning
Wrong units shown
Temperature on radio display not updating
OnStar Turn by Turn starting audio sometimes does not play
Bluetooth media continues playing after source change
Pop up disappears too quickly
Bluetooth media not shown when phone connected
Presets change order after key cycle
Bluetooth media queue not correctly showing
Radio crashes when long pressing power button
Bluetooth not working
Bluetooth will not reconnect
Button layout errors
Radio sets DTC B1596.82 with no impact to RVC function
RVC Launches On Its Own
Camera app exit and view selection buttons don't come up
Some buttons do not respond

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Camera app layout and views distorted
System settings not retained over key cycle
Camera view selection not available
Theme cards missing
Cameras do not close while driving or when in park
Trailer profile notifications persist
Cannot control Ambient Lighting
Trailering total mileage not updating
Turn by Turn error message displays incorrectly
Cannot open virtual controls window
User account name not updating
VCU stuck in GUEST user
Virtual controls do not respond when camera view is up
Can't dismiss pop ups
Voice search not available when driving
Can't sign in to Google Play Store
Window position Virtual Controls not working
CarPlay screen changes to home screen on its own
XM not available
(EV only) Charge battery pop up does not come up when using Max Power below SOC level
Audio stuck on Bluetooth source
Climate app not functioning
Camera DTC B1C47 set incorrectly
Connect Phone list dialog box shows excess material
Crash from SXM Browse Screen
Phone app unresponsive to touch
Podcasts show default album art
Date/Time display errors out when turning off vehicle
Pop ups not appearing
Profile loading repeats
Radio app layout errors
Radio display defaults to Virtual Controls screen on ignition
Radio does not retain last screen after sleep cycle
Driver PIN is not cleared after software update
Radio presets not working
Radio resets during emergency call
Embedded apps not updating
Radio stays on around 20 seconds after vehicle shutdown
Embedded Maps app view distorted
RVC does not brighten in dim settings
Emergency announcement does not interrupt audio from other sources
RVC screen flickering
Exit "X" button not working on some apps
Service tire pressure monitor message shown incorrectly
External Wi-Fi password not saved
Favorites window shifting

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QuickStartUp fails to resume
Geofencing creation issues
SXM favorites do not play audio
Geofencing positioning errors
Teen driver options not responding
Google Assistant pop up does not display
Third party app not shown on new user profile
Google Maps freezes when editing route during route calculations