Hi:
First check for bad body ground straps. Also, check the plugin in on the rear of the dashboard. If everything looks good, you will need to have the Body Control Module (BCM) tested. Before doing that, however, try disconnecting the battery for about 10 minutes then reconnecting to see if that resets the BCM.
Let me know what you find.
Joe
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Wednesday, March 18th, 2009 AT 9:12 AM