Cruise control not working

could be the stock, clock spring, sensors, control unit, it's hard to say. you would probably have to do some serious electrical troubleshooting. maybe even the brake switch, i'm not sure.
how many miles on her?

 

You do know that Cruise Control does not work in B, right?

You want to avoid B unless you are going downhill with over a 600 foot vertical drop.

 

what percent of the time does it not work?

 

i would like to think it's in the stalk, because that is where the wear takes place, but i have no idea. does any amount of fiddling with the button help?

 

Do all the other buttons on the steering wheel work? Specifically, check the AC recirc button, that's usually the first to go.

 

Chances are, it's either the clock spring or the brake light switch. Brake light switch is an easy check. Andrew has a good idea on the clock spring.

 

Cruise control was spotty on my 2010. I found that if I pushed the stalk firmly toward the steering column and then pushed to engage it would work. I suspected a faulty clock-spring cable.

 

That's an inverter pump failure code, a separate and much more critical problem. Do a search here for that, lots of advice on it.

 

how is your 12v health?

 

Any progress on this? My cruise hasn't worked correctly for over a year now. The trick I employ is to turn the car on, jam the button with a keyring store plastic rewards card, then before I go anywhere I turn the steering wheel all the way to the left, then slowly back to center. That usually gets the "cruise" to light up. At that point I remove the card so the button pops back out. Then once I'm on the road and want to engage cruise, I have to be on a curve so the steering wheel is clocked left, it's the only way to catch the cruise speed. So I've wanted to fix this for a long time now, but don't know where to begin.

 

I was able to get the CC to work on my 2010 V by pushing the stalk firmly in the direction of the steering wheel and then forward. This worked for over year before I traded it last summer
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There is a clock spring cable that is probably causing the problem. It is under the center of the steering wheel. There are videos on how to replace it.

 

I bought a 2005 Prius a couple months ago. Cruise is the only thing not working. I can get it to engage if I work the steering wheel which leads me to believe it's the clock spring. My question is, where do I find a reliable clock spring for a decent price. I see them online for anywhere from $39 to $399. Any recommendations?

 

congrats and welcome!

that may be an oxymoron. what is the best oem price you can find? beware chinese knockoffs, they have a high early failure rate.
it's too much work to do twice.

see @ChapmanF threads for first hand experience