Sonata NF (2006-10) :: Auto Transmission Suddenly Disengaged While Slowing Down From 3rd To 2nd
Jan 5, 2016
Today my transmission suddenly disengaged while slowing down from 3rd to 2nd as if i switched to neutral.Car revved freely when i pressed accelerator. Then suddenly after a second it engaged again and shifted normally. Never had this issue before i racked up 1,29,000 KM on my ride.
I can't see it as "slipping" as there was no change in speed and it revved freely. Also I 'm due for fluid change. What can be the issue?
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Recently my 2006 2.4 L encounter auto transmission jerk intermittently with P0734 and P0765(bad D shifting solenoid. Change the bad solenoid and the problems still occur. Later check all the wiring as per hyundai TSB and all seems to be ok. Then an error code appear that indicate bad ATM relay (auto transmission module). I interchange the suspected relay with the horn relays and the problems resolved. I did check the relay coil which is ok but the mechanical contacts is badly corroded that results in some resistance that causes the 12v supply to the Solenoids to be affected. (the relay is situated in the relay compartment next to battery).
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I got a 2006 3.3l v6 sonata and for the past 6 month I have no had reverse which sucks let me tell you but I've looked into my codes it's throwing out. Anyway when I throw it in reverse it doesn't lock on it just spins making a kind of whining sound,
And when I'm driving it I take my foot off the gas or I slowly push the break it will jump down to third gear and get stuck I'll be doing 40mph at 4K RPMs, what this could be or what I should do?
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2 years ago I had the transmission and clutch replaced on my 2002 Echo. it has driven fine since then but three days ago we were on the highway and the clutch suddenly disengaged..I don't know if that's the right terminology but it was as if I had pushed the clutch in (I hadn't) and the engine was just revving but not accelerating...I tried all the gears with the same result...eventually my car slowed to a stop.
A day later I had it towed to the mechanic...when he drove it it was fine, and did not exhibit the problem at all. He checked out the clutch and said it looked fine, and said my description of the problem made it sound as if the clutch had overheated....but he said that usually happens with city driving, not on the highway. So he is stumped..the car seems to be fine now, though I haven't had it out on the highway yet.
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When I slow down to stop my 2008 Sonata it jerks. It is an intermittent issue. The car has 95,000 miles and when I called the dealer I was told they would start with changing the transmission fluid and go from there. I read on some other posts of this same type of issue being fixed by installing the latest software for the transmission, but this was related to 2009 & 2010 Sonatas. Is it possible that installing some new software would work on my 2008?
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I have a 2010 Hyundai Sonata GLS that I purchased just over two years go. I have a couple of issues with it at the moment.
My first problem is I clipped my drivers side side-view mirror and a little plastic piece inside the side-view mirrror housing where the bolts go thru broke off. I checked with Hyundai and it seems like you can't purchase that plastic piece from them(they make you purchase the whole side view mirror). I also checked around at local junkyards but none of them had a 2010. What I can do here?
My second problem is when I'm slowing down to a stop and my speed gets around 10 mph or so the car jumps/jerks. It feels like it's almost skipping a gear or something and it's very noticeable. I was wondering if any of y'all have had that problem before and if so what did you do?
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I am getting a ticking sound when i am slowing down (applying my brakes) at say 35/30mph. The sound stops when I stop. This problem starts after my car warms up; doesn't do it when I first start up.
I've taken the car to 2 Hyundai dealerships and a certified mechanic and the problem continues. I first noticed this about a month ago.
So far no one seems to be able to find the problem. The mechanic did try by replacing the front brake pads. He said something about a "shims piece " and thought if we replace the front pads that would take care of the problem. The rear brakes or ok.
I'm still having the problem and I wonder if it's the rear brakes after all. I don't know what I can try now. Someone suggested going to Brake Check. I have about 1000 miles left on the original warranty.
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My 2006 Sonata V6 (88k miles) has an occasional power steering loss. It has only been noticed right after slowing down from highway speed. Total loss for a few seconds then comes back. No dash lights or noises, just cant steer - then can. Did all required maint. until 60k then just oil changes by me. Have read other forums about fluid flush, but that was for noise and I don't have any noise. This has happened with and without the Electronic Stability Control turned on. Other than that, runs great. MPG is about 25 or so (wish was 30 or so).
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My 09 Sonata LTD V6 was sometimes idling erratically (revving and slowing) after starting a cold engine. It never happened in the previous 3 winters I have owned it. I took it to the dealer for service and they said an ECM update was just released, described on the invoice as "TSB 10FL002 FOR COLD START ROUGH IDLE".
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Notice roughness/jumpiness in the transmission when slowing to a stop, or crawling along (like in a shopping center)? it's quite evident on my car, and perhaps i just have a problem that nobody else feels.
It's as if the tranny is downshifting when slowing to a stop, and I can really feel it...makes it difficult to come to a smooth stop. and then if I'm moving very very slowly in heavy traffic, it seems to be "wandering" between 1st & 2nd...something like that...and it's very jumpy. Not smooth at all.
I realize that Lexus may come up with some reprogramming for trannies (that happened on my '01 GS, and it made a big difference).
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Recently, I have had 3 instances where my car alarm suddenly goes off. All times, my car was parked in my garage, unlocked. The keys were sitting on the table and had not been touched.
The only thing is that I think the battery in my remote is started to get low I think but I don't really see how that would cause this issue.
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2006 Sonata. I had to remount the drivers window glass which had slipped out of the clamps and fell inside the door.
Afterwards, if using the window auto-up feature, the window reaches the top and reverse back down to about the one-third closed point. Using the normal (non-auto up) it remains properly closed at the top.
My first thought was it needed to be reset by the well documented hold the switch up for at least .2 seconds method. I've done that and it hasn't solved the issue.
There doesn't appear to be any unusual resistance to movement which might activate any 'arm in the window' type safety feature. (if it even exists)
I would also expect that type of thing to work regardless if using auto-up or not anyways.
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I have a 2009 that seems to have issues in the lower gears, I think that I have a transmission issue.
When I'm coming to a stop, I feel the transmission downshifting from about gear 3. It's not wildly jerky or abrasive, but it's not smooth either (or I wouldn't feel it). When it downshifts, after it engages (or torques down for lack of a better term) it feels as if it releases a bit, which makes me have to compensate with harder braking (again, not saying I am slamming on the brakes, but I have to brake harder so it doesn't feel like I am now going to coast into the car in front of me). It doesn't feel like the transmission is going to take off on its own, but it definitely feels like it has a certain threshold it wants to stay above.
In the loaner I have (RX), when coming to a stop the best way I can describe it is it feels like the transmission has completely disengaged and I feel NO transmission downshifting at all. The only way I get this type of braking in my LS is if I throw it into Neutral and take the transmission out of the loop. On the way to the dealership this morning to drop it off for other issues, I was at a stop light and went to accelerate and it felt as if it skipped a gear because I was stalled for a second (acceleration wise, not that the engine turned off) before it took off as it should. Also my acceleration seems to be a little hesitant when starting off .
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I have a 2007 Hyundia Sonata. Currently have a 7" after-market head unit, four after-market speakers and a sub that is currently not plugged in. I also put HIDs in the low beams. It has about 73,000 miles on it. I bought it when it had 36,000 about a year and a half ago.
The first time I noticed an issue was about 3-4 months ago. Both of my stock headlights went out at the same time. I checked all fuses, nothing blown. Odd right? I thought there might be something going on with the electric but I was like O.K. i guess i'll get new ones, i could use some brighter ones anyways. So I went with Sylvia SilverstarUltra's. These lasted 2-3 months before one went out. I didn't think at the time that this was connected to the previous problem because only one went out and I drive a LOT with my headlights on during the day and SilverStarUltras have a short life span. So I bought an HID kit off ebay (just the ballast and bulb, not really a 'kit'). I installed them on Jan 28th. Today, Feb. 25, they both went out. NOT COOL!
Electronics : Sometimes as I am driving the electronics in the car "de-surge" if you will. Another words, they seem as though they have less power, the interior lights dim, the fan for the heats slows. This happens only for a second and then returns to normal. It has happened a few time. I don't remember the stereo being effected however.
Sub : The sub on my speaker system. A couple of months or so ago I noticed that my sub on my speaker system had stopped working. It was installed late last summer. I investigated and found no potential short, the ground was secure, and no fuses were blown. I didn't even think this could be related to everything else until today, but it kinda seems like it might be.
I was wondering if maybe I had created a short of some type when installing the stereo system. However nothing in the stereo system seems to be effect besides the sub. Which gets it's power directly from the battery, not the stereo system.
I read on another thread about a older Elantra that had this problem and someone mentioned that it could be the regulator in the alternator going bad and intermittently outputting too much voltage. Although I don't know why that would make the fan and lights in the car slow/dim. I'm currently trying to find someone who can lend me a voltmeter.
How I could locate an electrical problem with my stereo install, or elsewhere in my car?
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I have a 2009 Hyundai Sonata that has the digital display for the climate control- which i am assuming is the auto climate control system that is talked about on here frequently. The problem is that the fuse for the climate control system continually blows, causing the display and all controls for the climate control system, to stop working. Put a new fuse it, blows again.
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I don't remember pressing anything, but out of the blue my automatic lights aren't working anymore. The bright lights work and the fog lights work....but the headlights will not come on.
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My Sonata has developed a hesitation when accelerating from a standstill. Sometimes the symptom is worse. I haven't identified any correlation of this symptom with any other scenarios.
Symptom : When at a stand-still, lightly pressing on the gas pedal doesn't result in corresponding slow acceleration, it is only after a certain threshold (of throttle application) has passed that power from the engine is transmitted to the wheels. When this occurs, the result is a jerky start.
In other words, trying to feather the gas pedal to allow a gradual and smooth acceleration from stand-still is not possible when this issue occurs.
I believe the 09' Sonata has a drive by wire throttle correct? If so, could this be a computer calibration issue?
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220,000 miles, auto transmission slip in drive, reverse ok. What needs to be fixed and what will it cost?
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I have a 2009 Sonata Limited with the Infinity sound system.
Was driving along today, with music and bass quite loud and the front driver door speaker just simply turned off. All other speakers work fine, including the tweeter on the driver side.
Before I take apart the door panel to check for connections (my main suspect), I'd like to have your opinions on this issue. I already broke the tweeter panel when taking it off to replace my broken side mirror, I'd rather skip taking this off again, with the door panel, if I don't have to. But I assume it will be inevitable to get started!
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My 2009 Hyundai Sonata's dashboard readings suddenly went "dead" yesterday that is - the fuel gauge read empty, the speedo wasn't registering nor was the tachometer and the led display couldn't be altered? What might be wrong and whether I can do anything to fix it?
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I have had my 8 month old Prius for a week. I have used cruise control fine before and after the incident. All of a sudden we started slowing down. Doing any thing on the cruise control had no effect. I canceled it. But every time I pressed the accelerator I just got the amber warning light come up and the car beeped at me and no acceleration. The cruise control didn't get the car going either. I had to stop on the motorway. Put the car into park then put it into drive and drove off fine and the car has worked fine since.
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