1996 Cadillac Deville Service Engin Soon light

1996 CADILLAC DEVILLE
132,000 MILES • V8 • FWD • AUTOMATIC
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GRAYCADY
  • MEMBER
  • 1 POST
Stuck code reader on and want to know what "Manufacturer Contrl Auxiliary Emissions Controls" means?
Feb 17, 2010 at 9:02 PM
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FACTORYJACK
  • ✓ASE Certified Mechanic
  • 4,159 POSTS
  • ASE Certified Mechanic
It may be something to do with your code reader. I'm from a dealer, and have heard nothing like it.
Feb 17, 2010 at 9:57 PM
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