Ford 6.0L Power Stroke Diesel :: 2005 - Cruise Control Not Working
Oct 4, 2015
I have been trying to figure my cruise control not working. I verified the switch for the brake pedal and the one on the master cylinder are not the problem. I have read about the clock spring but would like to verify signal is passing through/ not before replacing.
2 Questions.
#1 I have is how does the overall system work? Ok not that in depth but, is there some kind of servo that regulates the flow to,the injectors or is it strictly controlled by the PCM? and it tell the injectors to open to allow fuel to pass.
#2 Looking for a wiring diagram for the cruise control control circuit. Namely looking to verify switches are working.
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My cruise control stopped working today on my trip back from Yosemite. Tried looking through the owners manual, but apparently it doesnt have its own fuse. Everything else seems to work just fine, so I am gonna start there.
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I have a 2005 6.0 f350 lariat... My climate control doesn't switch very well I can get it to go to floor sometimes after 15min of pressing the button. The vacuum pump is good the tank has no cracks. I feel that the system is either plugged up or has a leak. I cleaned the tank after my hub seals went and it sucked a ton of dust and dirt through my wheel bearings in to the tank. Is the vacuum switching part of the digital display? Or is there a separate part?
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I had a nice level straight stretch in front of me and engaged the cruise control. No go! I tried a few more times and it still did not engage, even with various button sequences. My thought was that this truck is a computer on wheels. So at the next opportunity I stopped and shutdown the engine, turned the ignition switch OFF and then restarted started the engine (and rebooted the computer). The cruise control works fine!
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I have a 6.7 diesel extcab longbed 4wd with the 3.31 rearend. I have been experiencing a surge primarily told by the boost gauge when using the cruise control unloaded and either or both going up a steady climb in elevation or headwind. It does not surge if I shift down to 5th. Does not occur pulling a load. Still occurs in manual mode and tow-haul mode. Does not occur if your controlling throttle with your foot. I find that it happens at speed of 65-70. It will boost to about 10 pounds then fall to about 3 and will continue this until maybe a hill or change in direction. It does not occur with a tail wind. I took it to the dealer today and ford had a new flash for the pcm and the tcm. Hoping that this would fix it but I don't believe it did.
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Just looking for comments on using the cruise control while towing? and what's the recommended weight for using the tow haul mode. The enclosed trailer I have is about 3300 lbs. taking it across the country empty. 2004 6 liter.
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Cruise just stopped working. The fuses all check out ok. What would be the next simplest thing that I could check before turning the problem over to a mechanic?
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I was driving down the interstate with cruise set at 75 an my truck jerked twice an my cruise cut off. I tried to rest it but it wouldn't. Then I noticed my speedometer wasn't working. Truck will still crank an drive but acts like it has no power an will only at up to 16 psi of boost.
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Over the last couple months when I started driving, I noticed that the cruise control wasn't working at all. The next time I would start it was working again. It "stopped" working a few times.
The last time it stopped working was about a week ago, and hasn't worked since. I have read about horn relay fuses, tail light fuses, some sort of module on the engine. Where should I start?
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Issues with your sync/radio that in the lower right corner it says to "connection error-see delear"?
My controls on my steering wheel will no longer change the channel or adjust the volume. When it does change the channel it goes crazy and changes multiple channels.
I have also noticed my GPS arrow seems to drift off the road I'm traveling on and then will jump back to where I'm driving.
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The cruise control on my '05 Avalon Limited was working intermittently for a while. I'd hit the button to turn it on and nothing. Then a few miles down the road, I'd hit it again and it would work just fine. Today I tried to turn it on and nothing. Three different trips today and no luck.
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Got a 2005 F350 with 250,000 miles with "electrical" problems. First thing I did was change batteries, clean body grounds and check most fitting and connections. Looked good at KOEO. Tried to crank and it struggled and fired for about 2 seconds. The IPR % was going nuts. Took off FICM found one bent pin that I don't know what it controls. It is where the screwdriver tip is.
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This has happened 3 or 4 times now while driving down the road. Just cruising down the road the CC will just cut out. I'll hit the "set accel" button on the wheel and all is good again until it randomly decides to do it again.
The only thing I've changed recently is the rear end speed sensor to cure the ABS light. I wouldn't/didn't think this would have any effect on the cruise control, but IDK, maybe I'll put the original one back in and test it.
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So the PO tells me he was flying down the highway and went to cancel his cruise control and it wouldn't turn off. He claims he made it to the shoulder of the highway and killed the ignition. When he restarted the truck is was turned off and it hasn't been used since. I tried to use it yesterday but couldn't get it to work?
So I do the search and find out that the deactivation switch is most likely the issue. I just picked up a new one today and was curious if it is just a R & R thing or if it needs to be bleed off or something? Is there a need to test it or just change it out? Sound like something that would cause these issues?
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RPM's are dropping way off when coasting downhill while towing (as if the motor shut down), CC is on and maintaining desired speed. When at the bottom of the hill, all of a sudden, with a big bang(in the motor) the rpm's have came back up and you drive on down the road as normal. This seems to happen only when towing. "99 F250 7.3 I haven't pulled any codes as of yet. Whats happening?
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I have a 2001 f350 7.3 powerstroke electric shift 4x4 auto trans, truck cruise control just quit, no illumination at dash, when switched on, checked all fuses they are good, owners manual doesn't say much...
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I have a 2005 F250 with 6.0 Crew cab
Wanted to change out factory bulbs to LED's. The factories were working just fine, just wanted LED's. Broke a couple of center bulb holder's/clamp. Don't really know what they are called. Went to junk yard got a couple of used ones, those worked because when we opened the doors on wrecked trucks Dome lights came on! Got home put them in and NOTHING. No dome, no map lights with LED's. Changed back to factory bulbs and only map lights come on, NO dome lights on front or back and my 3rd brake light quit along with the 2 bed lights. Checked the wiring plug and have power to one wire. What fuses would I need to check or to check where next? Owner's manual is not very specific about which fuse.
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I have 2 messages showing up in the message center / control panel. I have taken the truck to the dealership and we cannot recreate them while the truck is at the dealership. How it can be resolved.
2013 Ford Superduty Platinum : 33,800 miles and the truck is stock
Messages : service traction control / Downhill decent control fault
This will happen just driving down the road or just after starting the truck and taking off.
It has happened towing my work trailer and also not having the trailer connected to the truck.
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Airbag light flashes on dash and then stays on. Cruise control and horn wont work. I cant find a blown fuse.
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OK, so a friend's F150 just went up in flames in his driveway and he told me that the problem was the hot link behind a plastic/ rubber barrier at the main brake cylinder. I had a recall notice on my old truck but since I left the US and took the truck I never paid much attention to it, thinking typical overkill. Now I already heard from another buddy who caught lit brake fluid dripping onto the front tire and got the fire out before it spread and looked up the info today. Looks like our trucks are affected. Best to unplug the harness that goes into the brake master cylinder will prevent this problem from occurring? I never use cruise where I am, the roads are too small and slow.
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I haven't been on for a while, but I'm trying to figure out if I have a slight turbo issue.
Turbo pulsing ? I am experiencing this, it just started about 3 months ago. First time it did it, I thought the truck was going into exhaust cleaning mode. Not the case. It doesn't do it with the cruise off, but with the cruise on it's like it can't decide if it needs boost or not.
Boost is pulsing between about 2-3 psi to 10 psi. No check engine light on to speak of. Now that I'm thinking about it. I think the turbo is falling flat with the motor cold too, or maybe it's a cold tranny..... gotta watch that closer.
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