Bulletin No.: PIT5790A
Published date: 12/18/2020

Preliminary Information
PIT5790A Radio Resets Or Reboots After Changing Volume Or Volume Appears NonResponsive Then Changes Unwanted
Models
Brand:

Model:

VIN:

Model Years:

from

Engine:

to

Transmissions:

Cadillac

CT6

2019

All VINs starting with LSG

All

All

All

Cadillac

CT6

2019 - 2020

All VINs starting with 1G6

All

All

All

Cadillac

XT4

2019

All

All

All

All

Chevrolet

Blazer

2019

All

All

All

All

Chevrolet

Camaro

2019

All

All

All

All

Chevrolet

Colorado

2019 - 2021

All

All

All

All

Chevrolet

Equinox

2019 - 2021

All

All

All

All

Chevrolet

Malibu

2019 - 2020

All

All

All

All

Chevrolet

Silverado

2019

All

All

All

All

Chevrolet

Volt

2019

All

All

All

All

GMC

Canyon

2019 - 2021

All

All

All

All

GMC

Sierra 1500

2019

All

All

All

All

GMC

Terrain

2019 - 2021

All

All

All

All

GMC

Acadia

2019

All

All

All

All

Involved Region or Country North America, Europe, Russia, Middle East, Israel, Palestine, Argentina, Brazil, Chile, Colombia, Ecuador, Paraguay, Peru,
Uruguay, Japan, Cadillac Korea (South Korea), GM Korea Company, China, Thailand, Australia/New Zealand, Egypt, Africa
Additional Options (RPO)
Equipped with IOS, IOU, or IOT
Customers may comment on one or more of the following symptoms:
•

At times when changing the radio volume with the volume knob or steering wheel controls the radio

may reset or reboot itself. While the condition is intermittent, when this occurs the condition will often be
repeatable every time the volume is changed.
•

Condition

At times the radio may not immediately respond to changing the radio volume, then 10+ seconds

later volume changes. Because of thisdelayed response to volume changes, the customer may comment that
the volume is changing on its own. The radio ma
y freeze, reset, or reboot seconds or minutes after this
condition occurs.
These conditions may have been temporarily resolved by reprogramming radiosoftware or by radio
replacement in a previous repair but would return at a later time exactly as they were occurring previously
.
Conditions that are not identical to what occurred prior to radio programming or replacement do not apply to
this PI.

Cause

Unknown, Engineering is investigating the root cause of this concern.

Correction:
Engineering is analyzing parts, attempting to replicate and root cause the
condition. Do not replace parts for this as it will not resolve
the condition permanently.
Once Engineering has identified the root cause this PI will be updated with
any additional details available.

Service Procedure:
Note: Any recurring symptoms or conditions that are different than what occurred
prior to radio programming or replacement do not
apply to this PI. Refer to SI for additional diagnostics.
Do not replace parts for these conditions as it will not provide any permanent
correction. Obtain as many details as possible from the
customer on what happened before, during, and after the concerns and
submit a Field Product Report (FPR). If video of the condition
is available, please include that in the FPR as well.
If concerns occur that are not outlined in this PI then this PI does not
apply, and the technician should continue their diagnosis of the
customer’s concerns.

Warranty Information

Warranty Information
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base W arranty coverage), use the following
labor operation. Reference the Applicable W arranties section of Investigate V ehicle History (IVH) for coverage
information.
Labor Operation
3487178

Description

Labor Time
Radio resets when volume is changed

*This is a unique Labor Operation for Bulletin use only.

Version History
Version
Modi ed

2
11/05/2020 - Created on.
12/17/2020 - Updated to add model years.

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