rolncoal82 New member Joined Oct 17, 2009 Messages 279 Apr 5, 2011 #1 Will a ECM out of a 99 auto work in my 98.5 auto??
B BrettWINspeed Just P pump it Joined Oct 20, 2006 Messages 823 Apr 6, 2011 #3 It will work, but you'll most likely get a check engine light or code for a VIN mismatch.