It is telling you that there is a problem with the airbag system. It is not likely to suddenly inflate but it probably will not work in a crash. Also if the problem is in the module it may keep the other air bags from deploying as well. Need to have it checked out at your dealer.
The 2014 Toyota 4Runner has a V6 engine.
The 2012 Toyota 4Runner has a V6 engine.
The 2011 Toyota 4Runner has a V6 engine.
The 2007 Toyota 4Runner has a V6 engine.
The 2004 Toyota 4Runner has a V6 engine.
The 2003 Toyota 4Runner has a V6 engine.
The 2009 Toyota 4Runner has a V6 engine.
The 2008 Toyota 4Runner has a V6 engine.
The 2006 Toyota 4Runner has a V6 engine.
The 2005 Toyota 4Runner has a V6 engine.
The 2002 Toyota 4Runner has a V6 engine.
The 2013 Toyota 4Runner has a V6 engine.