NHTSA ID Number: 10126226
Manufacturer Communication Number: PI1374
TSB/Document Date: 2017-12-22
Summary
This preliminary information provides a procedure to update the radio to correct the cutomers concern of no XM, radio locks up, slow response time, vertical lines between the clock and temp guage, and poor FM reception.
File in Section:
-
Bulletin No.:
Service Bulletin
PI1374
Date:
December, 2014
PRELIMINARY INFORMATION
Subject:
No XM Audio or Time Shift, Radio Lock-Up, Slow Response, Vertical Line Between
Clock and Temperature, Poor FM Reception (Truck Only)
Models:
2015 Buick
LaCrosse, Regal
2015 Cadillac ATS, CTS Sedan (VIN A), ELR, Escalade Models, SRX, XTS
2015 Chevrolet Corvette, Impala (VIN 1), Silverado, Suburban, Tahoe
2015 GMC Sierra, Yukon Models
Equipped with RPOs IO3, IO4, IO5, IO6
Condition/Concern
Some customers may comment on the following concerns:
RPO
Condition
IO3
IO4
IO5
IO6
x
x
x
x
Time shift rewind/pause button highlighted but it does not function
x
x
x
x
Radio locking up when Clock Screen mode is activated
x
x
x
x
If audio source is changed right before turning ignition off, the next ignition cycle may not
have any audio
x
x
x
x
Removal of vertical line between Clock and Temp
x
No XM audio. Ignition cycle returns audio
x
x
x
x
Slow response tuning to different XM stations
x
Poor radio reception (Truck Only)
Recommendation/Instructions
Note: IO3 radios may take 2 + hours to complete programming. Due to the length in programming, a wired internet
connection is preferred
Important: When programming IO3 radios, measures must be taken to NOT to let the tech’s TIS2WEB computer go
to sleep during programming.
An updated software calibration has been released to address the above conditions. Update reprogram the radio
using the Service Programming System (SPS) with the latest calibrations available on TIS2WEB. Refer to the SPS
procedures in SI.
Clear any DTCs.
Important: The vehicle modules MUST go to sleep for 5 minutes after programming the HMI module. If not, the
vehicle may not have sound, blank screen, no touch response or the wrong splash screen may appear on the
screen. If this happens, shut off vehicle and wait the required 5 minutes before starting vehicle again.
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
2810335
Radio Reprogramming with SPS
Use Published
Labor
Operation Time
2880278*
Radio Reprogramming with SPS (IO3 Radios ONLY)
1.0 hr
*This is a unique Labor Operation for Bulletin use only. It will not be published in the Labor Time Guide.
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TSB/Document ID: PI1374
Replacement Service Bulletin Number:
MFR Communication Date: 2014-12-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
MFR Component System:
MFR Component Subsystem:
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