Prius (2010-12) :: Yellow Engine Indicator Lighted Up
Apr 11, 2015
Today all of a sudden my yellow engine indicator lighted up. I tried turning off the vehicle and start it back to see whether it goes off. No luck in that effort.
I have Prius 2012. I serviced it last on 10/31/2014 and I have now run 8000 Kilo Meters after the last service. I am using 0W-20 as my engine oil.
I see the vehicle going to EV mode and Engine mode depending on the way I drive and I've even achieved 20Kmpl in the last run. Could this be a sensor or a serious issue.
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I have a 2005 Prius with around 115,000 miles.
I have the following warning lights on:
1) Check Engine
2) Yellow Indicator, looks like exclamation point inside a circle inside parenthesis.
3) Red Multi-information display (exclamation point inside a triangle)
4) Hybrid System Warning Light on display screen, looks like exclamation point through a car
The engine cranks up just fine and drives forward and backward in the driveway fine. Battery level indicator is blue (see image). I checked for turbulence in the inverter reservoir with the engine off and fluid was flowing.
I checked the 12V battery (using the car's measurements by holding Display and turning lights on and off 3 times) and its value was 12.1 volts without engine and A/C on and 11.8 volts with them on.
The fan in the back right passenger seat is always on now though (I don't remember ever hearing this fan noise before), regardless of engine on or not, even though it's only about 80 degrees outside and it's been sitting idle all day and all last night. It comes on pretty much immediately when the power button is pushed.
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Is there a headlight indicator on the dashboard? I do not see one (if my headlights are on, some kind of lighted indicator).
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My last ride was as 1988 Ford pick up 275,000 miles ... the poor thing finally died ... but it gave good service right to the end. I replaced the Ford with a 2009 Prius and it's a great car. So far no problems just routine stuff until a day or so ago. The little yellow "Windshield air flow indicator light" can on. I checked my Bentley book and it doesn't tell me anything. So what I should be look for to fix the problem. Other than "Take it back to the dealer"
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RX 400H 2006 model. After 130k km, the car suddenly stopped with check hybrid warnings. The one and only lexus dealer in Greece replaced the hybrid unit due to failure of the power module. ( the car was on recall but they have never contacted me). After the replacement there was a rattle sound coming from the combustion engine when it was running on the morning for 3-5 min.The new inspection of the dealer showed a crack on the head gasket of the 4th cylinder.( I have post it here under a different username) .
The options that I was given was either to have the engine replaced with a used one or to fix the old engine. The cost of fixing was triple of finding an engine. So I purchased a used one (via ebay!) , it was from a car issued in the United Sates. The one and only dealer refused to put it on my vechicle because it was not going to fit and work due to different electrical wiring . So I found a mechanic who managed to put on the us engine easily and with no issues except from a yellow light that goes on seconds after staring the ignition key.On the diagnostic tool shows a warning about ABS system although the brakes are ok and ABS works fine. The car is running after engine replacement for 25k km with no problems. I attach a photo of it.
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I just got a 2015 Prius 4 and during an ordinary turn onto an on-ramp, the engine died. The two yellow engine lights on the left of the panel turned on, but because I had to move along I just turned the car off then on, like a computer and it started right back up. I'm not sure if the electric engine died or not, everything was moving too fast.
I took it in to the dealer today and he said he never heard of that happening and if the engine light hasn't come on since he didn't know about it. I wanted him to log in the info as I couldn't leave the car today, but he said he couldn't do that unless he took it in and had it checked, which I guess I'll do next week.
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Great car, Love it! It's a big improvement from the 2006 Prius.
When applying the brakes and holding the pedal down, I notice that the indicator for slippery/traction yellow icon appears in my dash when completely stopped.
There is no map option on the steering wheel that allows you to switch back to the Nav/Map system on the HD display. Is there a voice command?
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Today morning when I started the engine my tire low pressure warning lighted up, blinked for about 30 seconds and is now ON. It happens every time I start the car. My tires are at 38 PSI ( just re checked)
I can't find anything in the manual that shows how to reset the damn warning light.
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I have recently installed a pair of HELLA LED tail lights for my MKV R32 and there is a yellow indicator light showing in my dashboard telling me that both my tail lights are not working, but they are working.
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I know a few days ago all of my blinker lights were working properly since I had the car serviced at the dealer and they made me test all the lights before I dropped it off. But yesterday my "check the lights" yellow lightbulb indicator came on, so I thought, ok, probably one of lights burned out. But then, when I needed to turn left, I saw my blinker on the dashboard blink with twice the usual frequency, but the only turning light I could see from behind the wheel, on the left mirror was blinking normally.
So, I stopped, got out of the car and looked around to find that neither of my front or rear left blinkers were working at all. So, here come the questions. How likely is it for BOTH lights to burn out at exactly same time? If they did, would this cause the dashboard blinker to blink at twice the usual rate? And if so, why is the mirror blinker blinks at normal rate? By the way, the right blinker is not affected by this strange affliction. Continuing, what is the best way to find out if this is
(a) capacitor problem,
(b) burned-out light(s) or
(c)(worst possible case)problem with a very expensive control board.
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Twice this week I have received the Yellow Triangle alarm with the message Key Battery Low. This is the first time I have seen this alarm since I bought the car in August 2009.
I changed the battery the first time after 3 years based on recommendations from the forum. This time the batteries lasted just over 2 years.
I tested the batteries on both Key Fobs and they were both in the 2.9V range. The new batteries tested at 3.3V which is their rating. So ~2.9V must be the low alarm setpoint.
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Gen III, 2010 Prius III ... There is a flashing yellow triangle, dashboard lights up, but won't start. The dome lights won't turn off, in any position.
Drove it last night and drive it regularly, daily. I came out to the driver side door being not fully closed. What's going on?
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First off I have a 2010 with about 11,000 miles and it has been running great since I got it. This morning I was greeted with the "Yellow triangle" and the "check hybrid system warning". The car started fine and I pulled out of the garage under battery as usual and then the engine kicked in also as usual, everything seemed normal except for the warning lights. Since I have a long commute I just took my wife's car and got to work and did a forum search on this issue. I called my wife and had her turn the car on and off three times and she said it cleared the yellow triangle and check hybrid system but it still had the check engine light on. She also said the car seemed to be running fine and shes driving around town in it. I couldn't find anything on the check engine light. Is it ok to drive it?
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Had a warning flash up last night that I've not seen before. Had just done a reasonably long run from an airport with 3 burly guys and their luggage. Just as I was pulling up to their hotel the car did a continuous beep and flashed up the warning "Turn Power Off" and flashed the yellow triangle. When I was stopped I was in Park and it was still beeping and flashing this warning.
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Quick Question: I was driving through my neighborhood yesterday and hit a pretty good bump. I as hit the brakes, a quick Yellow Triangle Light illuminated on my dash. There were no other warning lights that I could see and the warning light was only on for a split-second. What could've caused this? BTW, I have a 2013 Prius LB 3 purchased new in August w/ only 1230 miles as of today...
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This morning when I started my Prius 3rd Gen 2011, I noticed three yellow lights being on. These were; something similar to handbrake light, ABS light and then the stability control light. All are in yellow. Checked tire pressure and found that one tire was low and filled it. Also, brake fluid was near the low level and I topped it. The lights are still on. I switched on and off several times but the lights are still on.
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Today after running several errands, I stopped by the local CarWash to rinse the car. Same as always, parking brake off, shift into neutral and away we go. Half way threw she starts beeping, I see the yellow triangle and to the right a boxed message "LOW TRACTION BATTERY SHIFT INTO P POSITION". There was a sudden rush of anxiety because I could not shift while being conveyor-ed threw the wash. As soon as I was pushed out and the light turned green, I shifted into drive to exit. The warning and box cleared instantly.
I pulled into parking, shifted into P, and noticed the battery indicator had only 1 bar. Did a quick walk around of the car and got back on the road thinking, head directly the Dealership. Before I got to the freeway I was back up 4 bars and climbing. Continued on the freeway and within 2 exits all looked normal. As it is Saturday and the Dealership was 1 hour from closing, I proceeded home. Later we went to dinner and an event, then came home. All is still normal. Owners Manual only states to follow the command on page 515.
I know this is a long story and was intentional to starve off multiple questions. The only thing I can think is that the air conditioner, radio and headlights were on prior to, while waiting my turn for wash (park-roll-park-roll...) and up to the point of the warning (tuned off all at that point) while in the tunnel. However this is normal for me. Will monitor the battery indicator more closely for a while. I'm sure this event latched in a computer somewhere, so will run by the Dealer if anything else acts up again. A/C and radio and lights are turned off now while in "neutral", for whatever reason. The car is a 2010 II and only 27600 miles. Was not a pleasant feeling.
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Yesterday, started it up, began backing down the driveway, controlling speed with a little pressure on the brake. There was momentary weirdness, like the brakes had sort-of let go, then gripped again. And then got the warning "CHECK HYBRID SYSTEM" and a yellow triangle (inverted?) with exclamation mark.
I tried maybe 3 restarts, but the warning persisted. Phoned the dealership, booked-up Saturday, but they said they'd (commendably) squeeze it in. So we brought it in, when they eventually got to it they read the codes, cleared them, test drive, said it appeared the computer(s) "lost contact" momentarily, and it seemed ok.
I got in and started driving home, down the back lane first. Car started making a VERY strange buzzing sound, coming from under the hood. By the end of the lane I decided I better circle back to the dealership, pulled in at the curb in front, left it running and raised the hood, the hood support rod was loose, laying over the engine, doing a dance.
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This morning I got a yellow warning light flash for a few seconds and then turn solid after driving on the highway for a few minutes. It looks this: (_!_). It is located on the right of the dash display. I just changed my oil and put on winter tires myself two days ago. I hope it isn't related to my maintenance.
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I had a triangle with an exclamation point (not red), a check hybrid system message, and an airbag indicator come on in my car in February. I thought the triangle with the exclamation point was originally yellow but my eyes could be playing tricks on me. It now appears orange.
In February, the dealership told me that some kind of rodent apparently chewed through wiring containing the airbag tether and hybrid system wires. I was told this is a 3K+ repair and was advised to make a claim against my insurance. I am working away from home until June, so I was going to wait until I go home to have my preferred dealership handle the repairs.
Does driving solely on the gas system harm the Prius? Does the car have both yellow and orange triangles with exclamation point warning indicators? By driving the car in the condition it is in, am I harming it and is the possible change in color of the indicator a sign of a worsening problem?
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I got "check Hybrid System" error with all sensors are yellow on the dashboard of my 2011 Prius with 80k odometer reading. Currently no Hybrid system, only petrol engine works.
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