Escalade EXT AWD V8-6.2L (2009)
Navigation Module: Customer Interest
Navigation Radio - Blank Screen/Screen Freezes
TECHNICAL
Bulletin No.: 09-08-44-002G
Date: August 23, 2010
Subject: Intermittent Black or Blank Screen, Radio Reset, Map Screen Stops Updating or Freezes, Voice Recognition Inoperative, Dead Battery
(Update Navigation Radio Calibration and/or Software)
Models:
2009 Buick Lucerne
2009-2011 Buick Enclave
2009 Cadillac Escalade
2009 Chevrolet Equinox
2009-2011 Chevrolet Traverse
2009-2011 GMC Acadia
2009 Pontiac Torrent
2009-2010 Saturn OUTLOOK, VUE
Equipped with Navigation Radio RPO U3R, UZR, U3U, UUM or U4H
Supercede:
This bulletin is being revised to add radio RPOs and remove both the Attention statement and the radio part number identification table. Please discard
Corporate Bulletin Number 09-08-44-002F (Section 08 - Body and Accessories).
Condition
Some customers may comment on one or more of the following conditions:
Condition 1
The following conditions may occur on all of the above mentioned models:
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Intermittent blank or black screen occurring with XM traffic alerts.
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Map screen freezes or stops updating while driving.
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Navigation radio resets upon startup, due to Language selection changes on the Driver Information Center (DIC).
Condition 2
The following conditions may occur on all of the above mentioned models except the Cadillac Escalade:
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Abnormal Rear Park Assist Chime operation, which may result in a dead battery.
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Intermittent blank or black screen at start-up or while driving.
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Intermittent blank or black screen when shifting from reverse to drive.
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Radio appears to turn on twice at engine start by showing the splash screen 2 times.
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Radio changes to FM after engine start when radio was previously tuned to XM.
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Radio momentarily stops/locks up while reading the Map Disc.
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Voice recognition is intermittently inoperative.
Note
If the following condition is observed, disconnect the negative battery cable in order to reset the radio, prior to programming the radio with the
updated software.
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Radio is inoperative or unresponsive to button press and has a black or blank screen.
Cause
These conditions may be caused by a software anomaly.
Correction
