This is on a 2004 Grand Cherokee. speed control turns on but will not lock in and hold a speed. there is a tire sensor bad on the Jeep and can see any other problems that would not allow it work. would a bad TPMS sensor cause speed control not to work?

_________________
2006 Liberty CRD Limited Deep Beryl Green Metallic Clear coat, Fumoto valve, MH ProVent (removed), GDE Eco tune,
OME 790/948 springs, OME struts, OME N132L shocks, Jeepin by Al A-arms, Hercules Terra Trac AT2 245/75R16
Weeks Stage 1 EGR delete, 5 volt steel glow plugs