PIT6101

Bulletin No.: PIT6101
Published date: 12/11/2023
Preliminary Information
PIT6101 Intermittent No Audio
Models
Brand:
Model:
Model Years:
VIN:
from
to
Engine:
Transmissions:
Buick
Enclave
2023
All
All
All
All
Cadillac
XT5
2023
All
All
All
All
Chevrolet
Blazer
2023
All
All
All
All
Chevrolet
Silverado 1500
2023 - 2024
All
All
All
All
Chevrolet
Silverado HD
2023 - 2024
All
All
All
All
Chevrolet
Suburban
2023 - 2024
All
All
All
All
Chevrolet
Tahoe
2023 - 2024
All
All
All
All
Chevrolet
Traverse
2023
All
All
All
All
GMC
Acadia
2023
All
All
All
All
GMC
Sierra 1500
2023 - 2024
All
All
All
All
GMC
Sierra HD
2023 - 2024
All
All
All
All
GMC
Yukon
2023 - 2024
All
All
All
All
Involved Region or Country GME, GMIO, GMNA, GMSA and Holden
Additional Options (RPO)
Equipped with RPO UQA, UQS
Condition
Some customers may comment that they intermittently have no audio, turn signal
click clack, or warning chime audio
Cause
The cause of the condition may be hardware anomalies.
Correction:
Service Procedure
Caution: Before downloading the update les, be sure the computer is connected to the
internet through a network cable (hardwired). DO NOT DOWNLOAD or install the les
wirelessly. If there is an interruption during programming, programming failure or
control module damage may occur.
1. Verify the radio software is up to date.
Service procedure:
1. Inspect the current radio software version. Navigate to Settings -> About -> Build Number ->
Information “i” to view and verify the software version.
If the build number is Y167 or les for IOK radios, or V167 for IOS, IOT or IOU radios, update the A11 radio
to the latest software.
Retest and see if the concern is still present. For radio RPO IOK the latest software version is Y171. For
radio RPO's IOS, IOU, and IOT V167 is the latest software version.
2. 2.
If the concern is still present, the concern may be in the ampli er. Replace the ampli er.
Please communicate to the customer that we apologize for this inconvenience and that General Motors is
working on a solution for this concern.
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
3488028
Verify loss of audio
Reprogram and USB update radio if radio version is less
than V167 for IOS,IOT or IOU, or lower than Y167 for IOK
Add Time
Labor Time
.2 Hr.
0.6 Hr.
Use Published labor time
guide
*This is a unique Labor Operation for Bulletin use only.
Ampli er replacement if needed
Customer Information
Please communicate to the customer that we apologize for this inconvenience and that General Motors is working
on a solution for this concern.
Version History
Version
Modi ed
1
12/11/2023 - Created.
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