Sonata I45 (YF - 2011+) :: Random Brake Warning Light
Jan 15, 2013
Over the past 4 months I've had the brake warning light, the one that comes on when you press the parking brake on, come on randomly. In each occasion turning the car off and then starting it back up clears it for the rest of the day. I had it happen 5 months ago, a couple months ago, two weeks ago on new years and then this Saturday and Sunday. Took it to the dealer today and it shows no codes but they managed to get it to come on once. They think its an electrical issue which makes no sense to me.
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Whenever I start my 2011 Sonata Turbo after it has been resting overnight, the brake warning light comes on and stays on. It's not immediate—it usually takes five to ten seconds, and whether the emergency brake was on when I started has no effect. Once it goes on, it cannot be shut off without shutting off the car and restarting—at which time it acts normally. The braking system is fine.
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My 'check engine' warning light just came on after only 12,000 km on my 2011 GLS. What emission control part would be the first to fail? I ran my 06 Sonata 100,000 km+ and never saw any warning lights! And no, it's not a loose gas cap!
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Ok .. Airbag warning light is on..... And won't go off i have taken battery off try reset that way nothing. Also steering wheel lights are off...
Only thing working on instruments on steering wheel is the left side is the radio and phone and volume and mode right side of steering wheel not working but nothing is illuminated!!!!???? On wheel
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Today I drove about 250 miles, round trip. About 75 miles from home, my TPMS warning light started flashing, then came on steady. I also received the Blue Link message about problems with the TPMS system. We pulled off the interstate at the next service station (about 3 miles) and checked all of the tires. All 4 read exactly 33 psi.
Restarted the car and continued on. After about a mile, the light turned off. About 10 miles later, the light started flashing again. It flashed for about 2 minutes then shut off again. We continued home without seeing anything more from the light.
The only thing at all out of the ordinary, is that the temperature has changed from a high of 35F earlier in the week to 70F today. There is a lot of moisture on the ground. Is it possible condensation may have affected a sensor? I have a 2013 GLS with 2800 miles on it.
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The light flashes then turns solid. I checked the pressure to find 32lbs in the tires. I pumped them back up to 36 front, 35 rear (per suggestions here to minimize steering wander).
The light remains on. Knowing the pressures were fine, I have driven it several days to see if the light goes out on its own. No dice.
While driving last week, the wife asked about this and we pressed the Blue Link connect button. The service rep who responded said she saw no pressure warning on her remote panel.
Over the weekend, I tried inflating the tires to 40psi, thinking that the higher pressure would reset the light and then I could lower the pressure to normal levels. That did not work, either.
So yesterday, I called the dealer and the service rep said the system warns of BOTH under pressure and over pressure. She suggested setting the tires to the "sweet spot," at 35psi. I did this, and the light remains on.
I guess I will need drive to the dealer and let them piddle with it. I like the system, or at least the idea. But I hope I don't have to drive to the dealer after every attempt to maintain the tires.
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My driver side brake light keeps going out. I replaced the bulb couple of months ago and had to replace it again. Switch the socket? Switch to led bulbs?
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So I was told I had a brake light out? Went and bought new bulb and replaced. Turn on headlights and the single filament lights. so when brakes are applied the second filament should light up that give the brighter affect.
Well when brakes applied the bulb goes out completely? Take foot off brake and the single filament comes back on. The other tail light operates as it should. Even used bulb from working tail light with same results.
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Whenever I start my 2011 Sonata Turbo after it has been resting overnight, the brake warning light comes on and stays on. It's not immediate?it usually takes five to ten seconds, and whether the emergency brake was on when I started has no effect. Once it goes on, it cannot be shut off without shutting off the car and restarting?at which time it acts normally for the rest of the day. The braking system is fine.
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Sometimes when I start my car, parking brake light fails to go off. I know this is usually indicative of low brake fluid, but mine is not low. I rarely use the brake so I don't think it's the parking brake switch either as it only happens if the parking brake is not engaged. Never happens on the occasional use of it.
Restarting doesn't seem to work unless I set the brake, restart, then disengage it. Very strange problem. Not a big deal but is a bit perplexing. I never see a CEL or any codes generated at all.
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A month ago my ESC light started coming on and the dealership replaced the brake pedal switch per the recall.
Here in the last week or so, I've noticed the brake pedal is very sensitive now and will sometimes stick causing the brake lights to say on after the car is turned off.
Pushing on the pedal just a little bit (pushing down maybe less than 1/8") will cause the brake lights to turn on and also kick the cruse control off.
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I recently (July 2016) bought a 2012 2.0T Limited with 14K miles. Got an awesome deal on it and really love the car. About two months ago the car had a total loss of power/boost. I took it into the dealer and they performed a wastegate actuator adjustment (something I will be doing on my own now if it becomes a problem again). Now at about 21k miles I'm having a different issue. Here is what's happening:
Accelerating from a stop the car feels as if it's falling out of gear intermittently. Once it happens and I press the gas more/floor it, the car doesn't respond. If I let off the gas and then press it again, the car will then start to accelerate again. On the highway cruising at 70ish, the same thing happens and it even oscillates with constant throttle like its down/up shifting. The ESC light came after a 20 mile highway trip of this oscillation. No CEL. When I got off the freeway, the navigation screen said there may be a problem and I should press the bluelink button.
When this is happening the cruise control either doesn't work at all or the "cruise" light will come on but I can't set a speed. Tonight I noticed in the rear view mirror that the brake light stays on or even flutters after I brake which corresponds to when the cruise is or isnt working as well as when the car intermittently falls out of gear/oscillates falling out of gear with constant throttle. If I notice the brake light is on without actually braking, I can take my foot and pull the brake pedal towards me which turns off the brake light and then the car seems to work correctly as well as the cruise control. The car is driveable but definitely something is wrong.
I should mention that I checked the voltage for the wastegate actuator and it is 3.97v which I believe is within tolerance. All of these issues with no CEL.
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I've finally logged about 3000 miles into my 2014 Sonata. In the last few weeks of driving, I've noticed during stop and go traffic, that initial stepping on brake pedal decompresses kinda weird. It's almost like its too squishy on the initial few mm's of stepping on it. It seems to go away after pumping the brakes after i turn off the car. But it comes back randomly, sometimes on short drives, mostly noticeable in traffic where you brake more than usual.
I brought it to a hyundai dealership to get looked at initially but the service manager played with it and didn't notice anything out of ordinary so he did not request it to be serviced. But since it came back and starting to annoy me more and more.. i need to drop it off and have it looked at. I haven't even gotten my first oil change either.
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I am the owner of a 2011 Hyundai Sonata GLS. It has approx 35,700mi to date.
Ive been apart of the forum for quite some time now. Ive been having an issue for a couple of months now with my Traction Control light being stuck on and intermittent flashes of the Brake light (as if parking brake were engaged) and ABS Lights simultaneously.
I'VE ALREADY HAD THE BRAKE SWITCH FAILURE RECALL PERFORMED. When i was having problems shifting and with my cruise control.
This all started this past winter during a bad snow and ice storm we had here in St. Louis, MO. I was on my way to work and the roads were slick with ice and snow. I was traveling no more than 15-20mph on a freeway and as i was approaching a light it suddenly changed to red and i had to slam on my brakes and make a swift right turn in order to avoid hitting anyone in the intersection. Ever since that moment, I've been stuck with these lights on in my dash.
Let me start this by saying I've done a couple of mods to my car. Hids, aftermarket remote start (professionally), aftermarket stereo, amps, new speakers all around, led lights inside, cup holder mod and led tail lights. That's all of my electrical mods.
Ive taken my car to the dealer several times for this problem. They tried hooking my car up to their code machine and they said the car wasn't communicating with machine and it was the first time they've seen something like this before.
They tried pinning the problem on my alarm and stereo. (as they usually do) They said it was a corroded ground. The dealer cleaned that up and said that fixed the problem. In actuality, it didnt. The issue still was there.
Ive had both the alarm and stereo removed to see if this were the cause my issues. NO...the problem still exists.
Here's a pic ....
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So I started hearing these random squeaking noises coming from the front suspension its what it sounds like. This only happens thou when i drive up into a drive way that is slanted. Or any kind of slow making slanted turns (~5-10mph)
I'm not 100% positive but it sounds like the suspension because it only makes noise when the car moves a little when ever i go up a drive way.
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In my one-owner purchased-new 2005 Prius w/ 74K miles and w/ no maintenance/accident history other than doing all scheduled maintenances at Toyota Dealers along w/ recalls applicable at each time (other than we had Toyota replace the 12V battery last year just because I knew it would die at some point anyway and I don't like pushing my luck; I'm not 100% certain if there's been a recall on any water pump for this car and if so, don't believe the dealer has mentioned it), I have the following indicators which appeared all at once while I was driving along at around 45 MPH in no unusual circumstances (80F, dry afternoon, about 30 minutes into a trip of mixed speeds, no loads in the vehicle, no effect on the car while driving):
From Left to Right on the display:
1) Red Triangle - Master Warning Light
2) Orange (Symbol)CHECK - Malfunction Indicator Lamp
3) Orange (!) - Brake Warning Light (but it didn't highlight the word 'Brake' in red)
4) Orange VSC - Vehicle Stability Control Warning Light
On the Screen:
Orange Car w/ the ! symbol - Hybrid System Warning Light
We immediately aimed for the house (about 5 miles away); the car drove perfectly fine, with the engine stopping and starting at lights as needed, with speeds going from the 55MPH we were traveling at the time of the alarms down to 0 and back up thru 35/45 MPH and such per normal off-interstate driving. The battery currently shows all the blue bars, and the engine and hybrid systems showed charge/discharge as usual as we drove. There was no discernible change in the driving reaction of the car to brake, steering, accelerator, etc.
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I have a 09 RX350 and noticed this light (just a red car, like the open door light but without any door) as seen in picture that came on randomly during driving but disappeared itself shortly. It happened about 2-3 times in the last few days. I cannot find what light is for in the owner's manual.
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It's happened twice I am sitting at a light then the ESC and ABS light pop on. When I turn off the car they go off and it hasn't happened again.
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Had this code show up after the warning light came on and then the light went away after two day, the car seems to be a little sluggish now. I have read that this is a random engine misfire and it could be a bad plug..
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I've got some issues with my 2005 Toyata Prius (~150,000 miles). My wife was driving recently and the "Master Warning Light", the "Hybrid System Warning Light" and the yellow "Brake System Warning Light" all came on.
Some quick reading of the owners manual said we should take it to a dealer right away, but because it was a yellow, and not red, brake system warning light it seems ok to drive at least to a dealer. in regard to the yellow brake system light the manual said it could be that: "the regenerative brake system failed or that the hydraulic brake system failed".
Now, I have a cheap bluetooth OBD reader hooked up to the "torque" app on my phone and I thought I would try to see what error codes there were to learn more. But strangely, it did not read any fault codes. I've used this reader successfully on my 2001 Mitsubishi galant, but I'm not reading anything for the prius in this case. I'm not sure if there is legitimately no error code associate with the warning lights or if my app is just failing to read them for some reason.
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I have a 2001 corolla with 37K mi on it. The check engine light came on today. Took it to advance auto parts to read the code. It showed P0171 (System too Lean) and P0300 (Random Misfire). Called up a toyota dealer and the technician think it might be bad gas. I buy gas at name brand gas stations and sometimes from BJs. I am not sure if the problem is with gas. I also been up to date with maintenance.
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