Prius (Gen 3) :: Check Hybrid System Message After Auxiliary Battery Replacement
Jan 18, 2015
Jumped into the Prius this morning to discover dash lights working, no radio etc so vehicle would not turn on. Replaced the auxiliary battery (about 5 years old.) Now all dash light, radio etc are looking great BUT:
- Enngine will not engage
- Message stating Check Hybrid System
- Various waning lights on dash (yellow waning triangle, swerve icon on left)(battery, brake, chech engine, steering wheel?) and abs!!!on the right)
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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 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 am having a gen 3 prius and yesterday when I am driving on a humpy road.(village side road) i got this message on the prius hybrid indicator screen, with orange color engine light and orange color triangle warning light. But still i can drive the vehicle and it charge the hybrid battery and everything going OK. I got really got fuel economy too after getting the warning message. Only thing is the message is appearing every time at the screen, What should i do now.
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I Opened my 2011 Prius trunk to get the tire wrench to take my snow tires off, and install my main tires and rims. When I went to start up the car after it was done, I have a "Check Hybrid System" Message on the MFD. I wondered if I'd hit one of the 2 orange items on the Electric drive battery, that was exposed in the trunk, and I can't get rid of the message. The car is not drivable, the system doesn't read "READY" and the engine doesn't start.
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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 was driving down the road and suddenly the car stopped. The check hybrid system light came on, and it wouldn't go forward or backward. I had to have it towed. What has happened? Is it included in extended warranty?
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My new-to-me (bought in May this year) 2010 Prius last night suffered. Nearing home on my usual 21-mi commute from work and on a secondary road, I was stopped at a red light. As I normally do when at a red light when a rather spirited start isn't needed (no or few cars behind me, not uphill, etc) I pushed the "EV" button to take advantage of electric acceleration up to 25 mph. All seemed normal as the light turned green and I started off. I don't know if I reached 25 or not - must've been close - when all of a sudden the acceleration stopped as if I'd taken my foot off the pedal when indeed I'd not. Simultaneously, a circus of lights lit up on the dash along with the fairly ominous message of "Check Hybrid System."
As with all things electronic these days, I figured a good ol' fashioned reboot was in order. Turned it off and back on and...same thing of course. Being near an intersection and a very bad place to be stopped - and not knowing if the car would actually move - I pressed the accelerator anyway, despite the warning lights, and indeed the car started to move. It seemed to cap the speed at 12-13 mph, which immediately seemed like some kind of self-protective safe mode. Luckily, I was within spitting distance from home, so I limped the last 1/4 mile in this state - and at 12 mph.
There are probably 5-6 warning lights on in addition to the big "Check Hybrid System" message. Let's see, first and foremost, the yellow triangle of death, followed by what I think is the Slip indicator (car icon with wavy lines), the CEL, the encircled exclamation point which I think is the braking system, and I forget, a couple of more. I should've snapped a pic but I was in a hurry to troubleshoot.
So I used my Actron scanner to pull the P0A94 code. I didn't see that it's able to read the sub codes, or maybe that's a capability that only the expensive dealer scanners have. Anyway, I can't conclude what it is other than the generic "DC-DC Converter Performance". I know that here and elsewhere there's a list of all DTC codes, and I saw that this code has 17 sub-codes, many of which are related somehow to the inverter, which seems to have been the subject of a recall in Gen II models (acutally the inverter cooling pump IIRC) but not on Gen III.
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I have a 2010 Prius, currently at around 69,000 miles. Back in Feb 2015 (when it was just under 60,000) I was driving on a city street and hit the accelerator once a stoplight turned green - immediately as I took off (at a normal rate of acceleration) my 2010 Prius made a loud noise and I got the red triangle of death, with a "Check Hybrid System" message. The car quickly shifted into "limp home" mode and I was able to make it back home as I was only about a mile away.
Got towed to the nearest dealer the next morning and after tons of testing and going back and forth, they replaced the transmission and inverter (was able to get it covered under powertrain warranty), and I was on my merry way. No issues until last night.
Yesterday evening, I am on a city street and get a warning beep. I look at my dashboard and this time I have a yellow exclamation mark with the "Check Hybrid System" message yet AGAIN. Towed the car to the nearest dealer and am now waiting on next steps. Only update I've gotten so far is that they are still trying to diagnose the issue, and are getting 4 error codes in this process, 2 of which are new. I am waiting on the technician to tell me what the actual codes are - hopefully should get them tomorrow.
I would hope if it's another issue with transmission or inverter, it's covered under warranty given I replaced both less than a year ago. However I'm not sure and am worried that it's going to be $$$ in case it's something else that failed. Plus I'm getting serious doubts as to the safety of my car - what if I had been moving at a high speed on the highway during either of these situations?
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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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My Prius yesterday while driving slowly (under 10 mph) all the dash warning lights came on(triangle, cel, trac control, brake). the gas engine started and the message came on that says: "check hybrid system". Today when I went out to check there only two warning lights on (triangle and cel) with the same message displayed. My question is can the vehicle operate without damaging anything if I drive it as is? I have read on several threads that the engine will not start if the hybrid motor(s) are not working. Since my engine starts and runs I have to believe the motor(s) are working.
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Yesterday while driving on the freeway in EV mode, my PIP (one of the first delivered to the states) flashed the "Check Hybrid System - Stop the vehicle in a safe place" message. I was near my house so I just went home. My SG2 showed code P0C3E, which is apparently an inverter over temperature code.
Took it to the dealer this morning and they just informed me that the car needs a new inverter, but no other details… "internal fault" is what he said.
While googling, i found this recall notice:
Green Car Congress: Toyota recalling about 701,000 Gen 3 Prius vehicles in US over software issue in inverter assembly
that doesn't talk specifically about the PIP and implies that it is a software problem, but goes on to say if the car is in a fault condition the inverter will be replaced. of course, it's possible that a software problem leads to hardware damage.
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The "Check Hybrid System" message came up on my dashboard. I took it to the dealer, and they said the temperature sensor on the transaxle was giving erratic readings. Unfortunately, they said that the only way to fix it is to replace the entire transaxle. They said I could keep driving it and that it would probably go into disabled mode before it caused any more damage. What I should do? It's a rebuilt 2012 Prius with 25k miles.
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My 2010 Prius sat idle, parked for 7 days while my wife and I were on vacation. When we went to pick up the car, the airport valet said that the Prius wouldn't start, and so that they'd have to jump it. I approved the jumpstart, and got into the car. We got about 1/4 a mile before the display totally freaked out, including the "check hybrid system" as well as about every warning light there is. The car was beeping, acceleration was lost and it eventually died on the side of the road. The car would not start back up.
Had it towed to the nearest dealership. Initial diag from the service manager was that the 12v battery was dead. I approved replacement of that, and also authorized clearing out "a few software alerts". Got a call later in the day from the same manager (very nice guy) and there are about 11 errors that cannot be cleared out. Now he's asking for 3-4 hours labor to "trace the wiring" as suggested by Toyota. Apparently the tech had been in touch with them all day.
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I have a 2006 GS300. Changed out the battery today, and immediately after the AC quit working. Pushing the climate control button reveals the message "Check the connection of the air conditioner".
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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 was driving my NHW11 in the hot sun this afternoon when, about 30 minutes of pleasant and unhurried driving, I got the dreaded 'hybrid system error' message...
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Went to the market, and my 2010 Prius II with 56K miles won't start.
Display works with the "Hybrid System Warning" message, but nothing else works.
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My dad has a 2015 Prius v Three (lowercase v and three, not III). He just hit 7,500 miles. He had the service done at 5k miles. The error message that popped up on the dash today says, "Maintenance required for hybrid battery cooling parts at your dealer"...
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well I saw one other thread on this topic but no resolution. I replaced the hybrid battery like the codes told me too on my 2003 prius and it now drives great but as soon as it start it shows a problem and the red triangle stays on. No check engine light, no codes, no driving issues just a red triangle. How to diagnose a red triangle when there are no codes.
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I was trying to install the invisicord cable for my escort radar detector thru the auto dimming/homelink mirror, I shorted it and homelink no longer has any power, a couple minutes later i got a check hybrid system.
Now question how do i restore power to the homelink mirror, is there a fuse to replace? And that warning and all the other warnings that i got related to the short. I read somewhere here that if power to the homelink mirror was off that you get no power to some systems, not sure where is that post, cant find it the car starts.
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