TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# PI1159.

Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

Summary

No XM Audio, Rear View Camera Issues, Favorite Stations Stored Twice and/or Disappear Condition/Concern • No audio on startup in XM. • iPhone does not detect if user disconnects iPhone during certification process. • When receiving an incoming call through OnStar Hands Free Calling system, the vehicle does not ring. It will show on the screen. • FM Timeshift not functioning properly. • HD Switching Toggle Setting does not function. • Favorites stored Twice or disappear. • Noise is played during the TimeShift recoding. • A/C Mode icon is displayed when vehicle is not equipped with A/C. • The folder track is not played when the folder is pressed for a long time. • Missing Forward Collision Warning Chime on vehicles base audio system, Forward Collision Alert and/or Adaptive Cruise. • Long press of the knob when highlighting a browse folder, sometime changes the media source from SD card to USB and when user releases the push knob, it brings the Media Menu back instead of showing the now playing screen for USB and SD card. • The USB only works with Apple products (iPhone). • Rear view camera issues.

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