I have had an annoying rattle or ticking sound coming from what sounds like under the dash on the passenger side. If the radio is on you can barely here it. Almost sounds like change or keys shaking around in the glove box. Sound is consistent whether the truck is moving or ideling. Seems to be the worst at 1500 rpm. I put my head under the glove box and can definetly say that it is something in that area. Anybody else have this problem?