It means that the computer has detected a problem with the operation of the engine and that it should be checked soon. Take your car to one of the larger auto parts stores and have them attach a scanner to your car. Once you have the trouble codes, you can decide whether this is a repair you want to tackle on your own or take into a shop.
Rick
I'm a retired ASE Master/L-1 Technician. I still keep current with the latest automotive technology. Visit my blog for cool articles and TSB's: http://free-auto-repair-advice.blogspot.com
The 2014 Dodge Grand-Caravan has a V6 engine.
The 2010 Dodge Grand-Caravan has a V6 engine.
The 2012 Dodge Grand-Caravan has a V6 engine.
The 2008 Dodge Grand-Caravan has a V6 engine.
The 2005 Dodge Grand-Caravan has a V6 engine.
The 2007 Dodge Grand-Caravan has a V6 engine.
The 2009 Dodge Grand-Caravan has a V6 engine.
The 2002 Dodge Grand-Caravan has a V6 engine.
The 2004 Dodge Grand-Caravan has a V6 engine.
The 2001 Dodge Grand-Caravan has a V6 engine.
The 2011 Dodge Grand-Caravan has a V6 engine.
The 2013 Dodge Grand-Caravan has a V6 engine.