2005 Buick Rendezvous CX AWD service engine soon light on what does this mean?

2005 BUICK RENDEZVOUS
111,400 MILES
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ATRTMM
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  • 1 POST
All fluids are at correct levels.
Dec 1, 2011 at 3:14 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
The light indicates the computer has identified a sensor or engine/trans component that is not working within the manufacturer's specs. What you need to do is have the computer scanned to identify what trouble codes is storred in the computer. It will identify where the problem is coming from. Most parts stores will do it for free.
Dec 1, 2011 at 3:19 AM
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