Prius (2010-12) :: Check Hybrid System - Red Triangle Appeared
Jul 20, 2013
Just got a "Check hybrid system" message and the triangle of death is on my 2010 Prius -- but I can still drive it...
Toyota's Emergency Response Guide says this error is triggering by the ground fault monitor that is connected to the 12v aux battery.
HV battery pack ( HV battery fuse, two 12v relay)
HV battery inverter/converter
My 2010 Toyota Prius III has 37400 miles and I've had it since 2010 April.
My ScangaugeII didn't find any OBD2 diagnostic codes
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Went to start the car up this morning - foot on brake and pressed the Power button. The car went through its checks but when it finished the 'Welcome to Prius' graphic it did a continuous beeep and displayed 'Check Hybrid System' and didn't start.
I turned it off and tried again and on the third or fourth attempt the car eventually fired up, the error message was gone and there were no warning lights on the dash. The car did smell like it was running rich though.
I turned it off and called the dealers. They said if no warning lights are now on it should be ok to drive the 6 miles to see them and they'll check it on their computer. As I drove to see them the car was running OK but the fuel economy was shocking. I was getting about 40 mpg UK (30 US mpg) as a trip average.
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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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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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I was driving my plug-in yesterday on the freeway and suddenly it alerted me the following:
Check Hybrid System
Stop the vehicle in a safe place
I pulled over to the side and tried to reset the message (push power button 3x), but message still was coming up. With my Toyota dealership not too far away, decided to bring in my car to have it checked out.
After 2 hours with their hybrid tech, they were not able to replicate the message (of course, always the case), but the tech was able to catch a P0C3E error from their diag tool. Being that they could not replicate the issue, they released my car and started to bring it back it the issue persist.
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I have 2011 prius 1800cc.
My car dashboard display come ORANGE TRIANGLE WITH EXCLAMATION MARK light and message "HYBRID SYSTEM CHECK". Car has no problem in drive, every thing works but display computer (check consumption graph Charging wheel etc.) does not show.
When I press start, display button shows charging graph consumption etc, only for few seconds and go to msg check hybrid system.
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I just bought a used 2012 Toyota Prius iTech from a country town 3 hours away. About an hour into the drive home, the display informed me to "Check Hybrid System" and then "Check PCS System". The car continued to function for a little while, then eventually lost acceleration, so I pulled over. I turned it off and on again; the warning light remained but the car started and continued to work, but soon after I lost acceleration again. This happened one more time.
Then I Googled the problem and discovered that you could "turn it off and on again three times to reset the computer". I did this and the problem disappeared and did not resurface for the remainder of the trip, and has not happened again since.
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I own a stock 2008 Prius.
My car didn't move for 1-2 months so I needed a boost this morning. I noticed there's the check engine light on and a red triangle.
Also, the car won't go on electric mode.
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2004 Prius, 149,000 miles. Driving on a highway when suddenly it felt like a headwind was bearing down on me, and a minute later, the red triangle of death and all the other lights came on. Did not totally lose power. Pulled to the shoulder and while waiting for the tow truck, started and turned the car off several times.
After the first few times, the red triangle did not light up, but the check engine icon remained on. The tow truck driver had a very difficult time getting the car into neutral to pull onto the flatbed, and then when he took the car off the truck to park it at the dealership, he said it shifted "hard" into drive.
I don't have a code since I don't own a reader. What this might be? I really, really hope it's not the traction battery needing replacement. I have no training to replace single cells.
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I have a 2002 Prius that needs work. The red triangle, PS, and check engine light are all on. It has these codes:
P3100 - 175 (HV ECU internal error. Motor Inverter Current Sensor Malfunction)
p3125 - 287 (Motor Inverter Finv. Inverter Internal Short)
c1259 (HV System Regenerative Malfunction)
I suspect the inverter or even worse the MG2 has burnt windings.
BTW the "infamous" inverter pump seems to be working. I can hear it and see the fluid in the reservoir move.
I suspect it is more a symptom than a problem and will disappear when the real problem is fixed.
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i un plug the battery and change the speedometer from US to CANADIAN. on a 2010 prius. Now the car dont start .The hybrid orange symble lights up and Check hybrid system shows on my desh.
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Just started up my car and the "Check Hybrid warning system" came on, along with a check engine light. The car starts and moves, but I'm unsure if I should drive it to the dealer two miles away without doing any further damage to the vehicle or have it towed. The car has 130000 miles and is serviced every 5000 at the dealer with all recommended maintenance performed.
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I have a 2013 Prius Persona with about 5,300 miles on the vehicle. Just recently had the 5,000 mile service taken care of at a local toyota dealership. The very next day I tried to start my vehicle with no prevail. My instrument panel indicates "check hybrid system" (!) the car will not start, nor will it shift into drive or reverse, only into the neutral position. Made several attempts to turn vehicle on and off and tried to jump start. Still no luck. Had the car towed back to the dealership. Mechanics are still trying to identify the problem. What may be the cause?
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Searched for threads about this error message, didn't find much substantive except 'check your gas cap'.
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I have this Prius involve in a wreck on the driver side. Ever since the wreck the hold beeps continuously, "Check Hybrid system turns on". I drove it couple of time every things was fine ( see the video) now nothing comes on. After the wreck I had to jump every time I wanted to start, but now nothing even after multiple jumping attempt, the battery used to die because the brake like always stays on and as soon as I start the car the horn keeps on being non stop.
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I cleaned out hybrid battery cooling fan today, not too bad after 160K . However, as I test drove prius the Triangle of death and "Check Hybrid System" message pops up.
Drove 13 miles back home, battery charged good. No power consumption data given on hud. Rechecked fan connection and looked over area. All looked good. I dont think ICE was running during drive home. Tested 12 volt=good. Disconnected 12 volt and orange plug. Reconnected. System reboots and seems Ice goes through warm up. Even put in power mode and it roars. Scratching head on this. Coincedence or maybe I should have disconnected 12volt before disconnecting cooling fan?
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I was on my way to work this morning when the car just stopped accelerating (or so it felt), all the dash lights came on, I pulled over to the side of the freeway (I was very lucky). Radio and a/c were still working. Powered off, powered on too soon a couple of times - the red triangle and check engine both came on again. Cooled my jets and gave it a few minutes, powered on and the red triangle was gone, but the check engine was still on. Drives perfectly, no problems w/either gas or hybrid engine.
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So a little over a month ago, I was driving my 2010 Prius (about 42k miles) when the Check Hybrid System light came on. I lost power and my car was stuck on the road, as I was unable to get it into neutral. So I called a tow truck and was towed to my local dealership. The dealership ran some tests, thought it might have been the throttle body. They switched my throttle body with a loaner prius to see if this fixed the problem. The new throttle body worked in my car and my throttle body was put into the loaner and functioned fine. Then they ended up fixing a TSB for the electronics in the car. I was told the problem was resolved and I could pick up the car about a week later.
After picking up the car a week later, before I could even drive away from the dealership, the Check Hybrid System warning came on again. I talked with the service manager and left my car to be fixed again. They checked all the systems and were still unsure what the problem was. Eventually they made sure all the connectors were properly seated and test drove the car and ensured the problem was gone. About two weeks later, I was told the car was fixed and I could pick it up.
After picking up the car, I was still unsure the problem was fixed, but I was told that was all I could do. After having the car, for about a 1.5 weeks I was on the highway. Once again, the check hybrid system light came on and I lost engine power. Luckily, I was able to pull over from the left lane without causing an accident. Once again, I had the car towed to the dealer and now I am waiting to hear back from them.
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A few days ago our 2010 with 87k became immobile with "Check Hybrid System" illuminated on dash. Dropped it off at the dealer who had it all day. Replaced the "transistor kit" part number 04899-47021 and blamed the failure on the recall. Recall was not completed. Wife felt a jolt while driving home but no warning lights illuminated. Next day she tried to start it and got that message.
Codes pulled were p3004 with info code 800 and p0ad.
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I was driving, when out of the blue my car went into neutral, and the dashboard lit up. Then all of a sudden the light stayed on "check hybrid system". I pulled over to side of road. AAA towed me.
THIS SHOULD NOT HAPPEN. NO warning.
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We bought a used Toyota Prius 2012 with about 35,000 km in early August 2015. We shipped it overseas. It gives the "Check Hybrid System" error when we try to start it. All the lights and instruments work o.k.
I've read this car be a problem if the car is parked a long time, which it was as it was mostly in a shipping container.
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