Camry 2012+ :: RPM Tends To Decrease In Cruise Control Mode
Aug 28, 2014
So the problem occurs while I am driving with cruise control on . Suppose I am driving at the speed of 80mph with 1300rpm, few seconds after I come downhill the rpm shifts to 2000 and comes back to 1300. Now I understand that the rpm will increase as I go up in order to maintain the speed but this problem occurs once I come downhill
And today also while driving without cruise control on I experienced the similar problem. I got a SE V6.
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I have a question regarding my Camry. Is there any way the cruise control sesitivity can be adusted? When we are traveling at ~70 mph on interstate highways with rolling hills (e.g. MA Pike), the transmission downshifts nearly every time going up hill - sometimes dropping to 4th gear. To me, the cruise control is "too determined" to let the car speed decrease even 1 mph. I'm finding that quite annoying. I'd be happy to let the speed decline 2 - 3 mph to avoid the annoying downshifiting / upshifting on upgrades. I know that a 6 cyl wouldn't have this problem.
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In the past month, I had to use my "cruise control" a few times, and I had the bad experience that sometimes it works as it is intended to do, but other times I am unable set it after I turn on the cruise control; thus, it works on and off.
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I just got a 2015 XSE a few days ago and I'm loving it. Yesterday on my way to work the cruise control was working perfectly. But then on my way home, I noticed my digital speedometer was reading 69 mph even though I had the cruise control set to 70. I waited about a minute to see if the car just needed some time to accelerate. Nothing changed.
So I pushed the cruise control stick up to try to increase the speed. The cruise control number went up to 71 and the speedometer went up to 70. Then I pushed the cruise control stick down to try and match the speedometer. That didn't work either.
No matter what speed I'm at, the cruise control is always 1 mph faster than the speedometer.
I looked around the intertubes a bit and found some Tundras with a similar issue, but nothing on the Camry. It annoys because the car has just under 500 miles on it. Can the speedometer and/or cruise control be recalibrated?
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Very very odd thing happened. Driving up from Houston to Colorado yesterday. Snow tires mounted in preparation for the snow in NM and CO. Around 300 mi into the trip, the CEL (check engine light) came on. I was on cruise control, I did not notice the lack of power. Checking the battery, it was in the purple. I first opened the gas cap and screwed it back in. I figured the change in elevation or temperature may have had something to do with the CEL. Nothing. Gas tank was a quarter full.
At Lubbock, I pulled over and filled up. I played with the rubber gasket on the gas cap but decided it was going to be more trouble than I was prepared to deal with, without any tools. CEL stayed on for another 30minutes or so while I navigated through the city, covering another 20 miles or so. After a pitstop to pick up OJ, I started the car and the CEL was off.
Here are the variables:
Elevation delta - +3000 ft
Temp delta - -10F
The only thing I can think of is that the hybrid battery is getting long in the tooth (2008 MY, 103k mi), the wind in the high plains chewed through the battery power, and the long length of being in low charge got the ECU to confuse itself into thinking that the hybrid battery has bad cells, which it probably has a few weak cells.
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My vehicle shows currently two awkward behaviors:
1) I can start the vehicle using the keyless start button without having to step on the brake pedal.
2) I can switch on cruise control. The green symbol appears, however, I cannot set a speed. The system simply seems to ignore that I press the set button.
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About 2 months ago, I was driving and my cruise control wouldn't engage on the highway ... I happened to be right near the dealership so I immediately returned there .... didn't turn off the car, but the tech put it in P while I was waiting. I was so ticked off because I thought that may have 'reset' things, and of course when the tech took the car for a drive (in D) the cruise worked fine. We of course never confirmed that the cruise control didn't work.
Today, the same thing happened at the same place, so I returned to the dealership, calling them on the phone, and informing them that I would not turn the car off, or allow the car to be put in park. The service manager met me out front and we went for a quick ride so I could 'prove' that the cruise was inoperative. He confirmed that it was not working, and why. For some reason, I glanced at the dashboard and noticed that the car was in 'B' mode. I mentioned that to the manager and he noted it as well. I must have bumped it somehow while driving as I NEVER use B mode for anything ... ever. I said I wondered if that was the reason, and put it in D, and lo and behold, the cruise worked again.
I haven't checked the manual yet to see if this is stated there, but the cruise control is inoperative if the car is in B mode. Or at least it seems that that is the case. Other than the car being in B mode, it acted just like it always does, and since I was on the highway, I never noticed the braking effect that B mode gives you.
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I own a 2013 C-Max hybrid and I notice that during long drives if i engage the cruise control, I don't get as many EV miles as I do when I have my foot on the gas pedal and take it off when i have reached my desired speed. Does EV mode not work in cruise control? My feet start to ache a bit with constantly having to press and release the gas pedal just so that I can generate some EV miles.
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We have 2 trips coming up this summer (600 miles and 1400 miles), these will be my first long distance with the Prius.
Did anyone tested fuel economy using the cruise control in ECO vs NORMAL vs PWR ?
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I am one of the few that has ADC on my 2004 V10.
Occasionally, 3 times now. I press the ON button and the cruise control does not initialize properly. After a while it will say "Temporarily unavailable" . The problem is that then there is no power any more.
I stop on the hard shoulder of the motorway, engine off, engine on and all is reset, ADC works ok and full power is restored.
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Curiosity question. I've noticed that on a downhill of a couple miles, especially in "braking" mode or with the cruise control on, the motor/generator and engine are used to keep the speed down and the battery gets charged to the very top quite quickly. That's good!
On a really long downhill, will the motor/generator still be used for braking and the excess electricity discarded to keep from overcharging the battery?
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My 2012 Passat 2.5 SE cruise control stopped working. Not even the little indicator show on the MFI.
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Mine has done it a few times now. It seems to do it going up a very long gradual to steeper incline, such as climbing some mountains, when set to 60 MPH. It'll start dropping down until it gets to about 47 +/- MPH, then the cruise just kicks off. No downshifting in sight...
There's a stretch of route 219 through PA heading north towards NY that I encounter about once a month. Yesterday was the 2nd time I've had my Sonata on this trip, and it did it again. It actually did it twice last month on this trip.
The dealer reset the transmission computer due to very cold weather "slipping" from 1-2 shift after the first trip. It appears that didn't take care of this issue, though I didn't mention it to the dealer at the time (it slipped my mind).
I'm reluctant to take it to the dealer, since odds are they won't be able to duplicate the issue. We don't have any roads around here quite like the one this happens on.
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Bought a Sonata Limited with 5500 miles on it from local dealership. Soon after I noticed that the cruise did not always engage. Problem is that when I brought it in for service, no one was able to duplicate the problem. What to do?
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I've looked in the mounds of user manuals as well as searching here but can't find the answer to this question: How do you keep the EV screen showing on the upper dash after turning on radar cruise control? Even if I switch back to any of the EV screens the dang radar ready or the active radar screen takes over no matter how many times I go back to the EV screens. I have already set the option in setup to not automatically return to the previous screen on the 7" HDD screen.
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Bought a 2012 Sonata GLS back on July 3rd. I've had 3 instances where I'll be running on cruise control, I'll disengage it and then when I go to resume it doesn't do anything. I can turn Cruise on and off but it will not Set nor Resume. I have to stop and turn the car off and then back on for it to work again. I have a service appointment this Saturday for an alignment issue so I'm going to have them check this out too.
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I have a 2.4 camry with 1 big mystery. I can't get the cruise control to engage. I've tried everything, took it to toyota who put it on the computer, but nothing is showing, no faults anywhere, and i mean none, every switch for the cruise comes up as working fully and the light also comes on for it.
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The latest addition to the driveway (2012 F250 XL 6.2) is getting ready to be geared up for it's tour of duty. The one thing that was on the would-be-nice but not must-have list was cruise control. This truck doesn't have it, which wasn't a deal breaker because the truck was way inside my budget.
So anyways, while researching hitches, tonneau covers, steps, etc. I came across this : [URL] ....
Is this all I need to install the speed control? I would assume the dealer would have to get into the logic and enable something, but is this switch really all the hardware I need to buy?
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My girlfriend and I were riding in her 2007 Camry SE about a week ago on the highway. She pushed the button on the cruise control switch to turn it on, and the button popped out of the end of the stalk (it did not completely come out, but popped out about an inch). She pushed it back in, but it won't turn the cruise on now.
What all is involved in replacing this switch? I was assuming it was as simple as removing the bottom rear cover on the steering wheel and swapping it out, but I wanted to check beforehand.
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My wife has a 2009 Camry LE, 4cyl with approximately 63,000 miles on it. Yesterday when driving it, I went to turn the cruise control off and my finger slipped, causing the button to pop out. Both of us have tried to fix it and I know I tried at least three or four different ways to reinstall the little three prong copper piece and no luck. The cruise control still refuses to work.
Having problem with the button popping out and been able to fix it? If so, how did you fix it? I hope it's something simple, such as re-installing the copper piece a certain way.
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248K miles. At hwy speeds, acceleration is great. But when "gas" is slightly relaxed without moving foot (e.g. downhill or level not acceleration) experience slight hesitation. Happens in and out of cruise control. What might cause this? Fuel pump?
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