3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Hello all, I have a 2006 Ram 1500 with the 5.7L Hemi. The cruise control will not turn on under 65mph and if I have cruise on and my speed goes under 65mph (like going up a hill.), the cruise turns itself off.
Any suggestions on how to fix this would be greatly appreciated.
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Vacuum leak or a bad check valve. The cruise control system is supplied by a vacuum reservoir and if there is a cracked hose, split end or the check valve in it is faulty, the system will not function until you attain a speed at which there is enough engine vacuum built up.