what is the most common problem with cruise control? on 2003 Ford E-150

I have had a professional check the total circuit. said pcm could be the problem. vehicle speed sensor.

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2 answers
Get another Professional to scan the system then post the results (code numbers) here and us mere mechanics can be more helpful. Vehicle speed sensor is a definite possibility, but code numbers is what we need!
poss on a recall ford installed a new wire hareness for the cruize control shut down switch on master cyl. the also installed a fuse in the updated harenesss ck that.switch is located on master cyl in the very frt