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weird check engine message

  #1  
Old 03-17-2008, 03:49 PM
Thread Starter
Join Date: Feb 2008
Posts: 27
Default weird check engine message

i get a weird message that says reduced guard when i turn my car on and the check engine light came on when this message came up but the message is only up when i turn the car on. does anyone know what reduced guard means?
 
  #2  
Old 03-17-2008, 06:17 PM
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Join Date: Mar 2008
Posts: 368
Default RE: weird check engine message

I'm guessing it has something to do with the alarm system. Do you have a perimeter sensor in your car (there will be a switch under the climate control). It's possible the switch was pressed, causing the perimeter sensor to become disabled (or reduced guard) or something is wrong with the security system.
 
  #3  
Old 03-17-2008, 08:28 PM
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Join Date: Jan 2008
Location: Dayton, OH
Posts: 463
Default RE: weird check engine message

I believe it may also have something to do with the interior alarm sensor not being enabled?
 
  #4  
Old 11-06-2010, 06:47 PM
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Join Date: Mar 2010
Posts: 32
Default

I know it is a 2 year old post, but after the grandkids left, my 2001 S80 T6 began displaying "Reduced guard -- see manual". Nowhere, absolutely nowhere in the manual is the term "reduced guard" addressed. Glad the OP had the problem. Now I know where it came from.....kids hitting buttons.
 
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