2004 - 2008 F-150

CST button on my cruise made it speed up instead of decrease speed.

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Old 03-27-2013, 03:07 AM
hmustang's Avatar
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CST button on my cruise made it speed up instead of decrease speed.

Had a issue with my cruise control tonight. When I used the CST button to decrease my speed the truck accelerated instead. Pushed the button a few times just make sure it was doing what I thought and sure enough it was. the SET button was working corectly as I checked it it works like it is supose to. So anyone have this issue before and what did you do to resolve it Right now the only way to set it at a lower speed I either have to turn off the cruise wait til I hit the speed I would have coasted it down to then trun it back on and hit the SET button or use the brakes to slow it down to the desired speed and then hit the SET button.
 
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Old 03-28-2013, 05:05 AM
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May not change anything but it's so simple to do you'd be foolish not to. That would be to disconnect your battery for a little while and see if it will do a reset on the cruise since MOST of it is electronic, run through your PCM. It's not impossible, but a little hard to imagine that the simple mechanics of the buttons on the wheel would cause it to do that. Always a little possibility that it could short across in the wheel area since the accel and decel are in close proximity.
 
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Old 03-28-2013, 12:11 PM
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The other thought is to spray electrical contact cleaner behind the buttons on the steering wheel to make sure it isn't something creating a short.
 
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Old 03-28-2013, 02:01 PM
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I'm almost thinking it's got to be something in that switch -- I don't think the programming in the PCM would change on something like that once it's set? Of course, the "unhook the battery for awhile and then reconnect it" routine is cheap and easy, so it may be a decent place to start just to make sure.
 
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Old 03-28-2013, 08:05 PM
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Just a guess... but it might be the steering wheel clockspring.

But usually you'll get other issues.
 
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Old 03-30-2013, 01:56 PM
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It works fine some days and others it acts up. I'm begining to think it might be a relay going bad or sticking.
 
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Old 10-06-2018, 11:52 AM
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Did you figure out what the problem was with this issue. Mine just stated doing this today. 2004 XLT Supercrew with 5.4 L. Thanks
 
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Old 10-07-2018, 12:59 PM
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If all of the other functions (speed control & horn) work correctly, it would have to be the switch assembly on the steering wheel.
 



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