Prius red triangle no codes

I am now having a problem with a 2002 Prius that I would like some input on. The Red Triangle of Death appears only after cold starts. After the car is turned on, the code appears after about 30 seconds. It disappears after normal driving for about an hour (assuming the car is restarted several times to reset the code).

So what does the red triangle with an exclamation mark mean on a Prius? Table Of Contents. It signals that all is not well with your vehicle’s engine and that your attention is needed. This symbol though a thrive overdramatic for all the right reasons, is Prius’s version of the check engine light.Vehicle: 2009 Prius. Model: Touring. I have a 2009 toyota prius with about 152k miles on it. I was driving and all of a sudden the Red triangle light and the check engine light came one. The AC seams to also stop producing cold air. I turned the car off and the problems went away after the car cooled down. Sometimes an orange light comes on the ...Prius red triangle reset comes back no codes. I have a 2003 325i and the service engne light, tracking light and brake light have come on. what is wrong? I`ve a toyota camry altise 2008, today while i was on the road the engine light indicator & the sliding indicator lighted & didn`t go off, why is that; Prius red triangle when startingRed triangle, no code, reset, then nothing (2002 Prius) Discussion in 'Newbie Forum' started by primuspaul, Jun 13, 2014. primuspaul Member. Joined: Mar 23, 2014 244 11 0 ... Founded in 2003, PriusChat has been the go-to spot for Prius, hybrid, and EV discussion for over 10 years. PriusChat is the one of the largest privately-owned car forums ...1)the BRAKE circle explanation point was displayed (it went away) 2) VSC was displayed-it went away. 3)Little red triangle on dash-still there. 4)check engine-still there. 5) red outline car on left of screen-still there. I MIGHT be hearing a TICK TICK- do those pads have a "noise warning"-that sounds like a rock stuck ion tire.Many Prius drivers have reported the most common cause for a red triangle light is an issue with their battery. Typically, the codes that come up after a diagnostic are P0A80 and P3000. The P300 code refers to the Prius' battery control system. When this code appears, the problem is typically caused by several sources, but it means there is an issue with …To the right and near the back of the engine compartment is another reservoir for inverter coolant. It should also be filled with pink coolant, between the marks (most of the way full). There are lots of things that can trigger the red triangle light, including the drivers' door not being closed all the way when in gear.

2007 Prius red triangle, p2103 code, advice needed. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by gstar, Sep 11, 2021. gstar Junior Member.I too am having the red triangle on startup then goes out straight away. Its been cold the last few nights (Winter here in Melb Australia) Under 8 degrees celcius. I noticed this light last night and again this morning. If the car is driven warmed up the problem doesnt occur.Hello all, My wife has a 2004 Prius with around 185k on it that was intermittently displaying the Red triangle and exclamation point coupled with the on screen prompt, "Caution The transmission P lock mechanism is abnormal. Park your car at a flat place, and apply the parking brake completely." Following the on screen directions does not get rid of the warning.VANCOUVER, British Columbia, March 09, 2021 (GLOBE NEWSWIRE) -- Hanstone Gold Corp. (TSX.V: HANS, FSE: HGO) (“Hanstone” or the “Company”) is ple... VANCOUVER, British Columbia, M...Vehicle: 2005 Prius. Model: III. My 2005 Prius has about 141000 miles on it. The red triangle exclamation point comes on the dash and a yellow exclamation comes on the LCD 1st and then a 2nd yellow symbol comes on the LCD. The problem happens once or twice a day. It seems to start, run, and drive just fine.Sep 15, 2019 · 2004 Prius. Model: One. I have a 2004 Prius with a red triangle of death along with an yellow exclamation point next to it and a pinkish car symbol with a exclamation point on the screen top left corner. It will start intermediated when u let it sit couple hours and nothing will show on dash till couple minutes of letting it idle or driving it. 2006 Prius with 183,000 miles. NEVER had an issue until two weeks ago. Replaced hybrid battery less than a year ago. Two weeks ago I took it in for an oil change and two days later the red triangle, VSC, check engine, and circle with exclamation mark came on. I read forums and thought it must be the 12v battery.Vehicle: 2005 Prius. Model: II. So I woke up this morning with just the Red Triangle lit up, I had to drive 75 miles to work, did the drive, reset mpg and averaged over 46 mpg for the ride (good for me). I took the car 10 miles to lunch and back to office. The whole time the Red triangle was still lit.

Prius red triangle reset comes back no codes. I have a 2003 325i and the service engne light, tracking light and brake light have come on. what is wrong? I`ve a toyota camry altise 2008, today while i was on the road the engine light indicator & the sliding indicator lighted & didn`t go off, why is that; Prius red triangle when startingWelcome to r/Clarity, a sub about the Honda Clarity Electric Series, winner 2017 Green Car of the Year and 2018/19/20 Kelley Blue Book Best Buy.Try pulling over and turning the car off for a few minutes to reset it. If the hybrid check light comes on while you're driving, pull over somewhere safe. Turn off your car and let it sit for 5-10 minutes. Then, try starting it back up again to reset it.Hi All, Car profile: 2004 Prius with 175k miles On March 11, I was on a short drive on the freeway and heard a rattling sound under the car. After the rattling stopped, I looked in the rear view mirror and saw white smoke, then received the red triangle. I pulled over immediately, waited for 5 mins and started the car.

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Oct 1, 2023 · What Are the Causes of the Red Triangle? There are a few things that would cause the red triangle to pop up on the dashboard. These are the battery, electrical grounding issues, and low oil pressure. Let’s begin with the most common cause: The Battery. The major cause of the red triangle is the battery. Feedback from most drivers has ... 2006 Prius. Model: N/A. My 2006 came up with the red triangle along with the check engine light and brake system warning light while driving. It had been sitting for 10 days a few weeks prior but had no issues up until now. The code reader showed C2318 along with C1259, and C1310. When the light first came on, the battery was showing that the ...> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Server migration is complete! Check out this thread for more details and to report any bugs. Red Triangle, no codes again. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Nance459, Jan 24, 2023. Page 2 of 2 < Prev 1 2.> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Main Forum > Generation 1 Prius Discussion > Attachments are working again! Check out this thread for more details and to report any other bugs .The most common cause of the red triangle light is a water leak that corrodes a connector right above the battery. The second is a corroded ECU connector and a bad …N/A. So, I got the dreaded check engine, (!), red triangle, VSC light etc lights up on the dashboard yesterday. If I disconnect the 12V battery for 30 seconds and reconnect, the lights go away and after about 10 mins of driving they, are back ON. I tried to charge the battery with smartcharger (Schumacher SSC-1000A) at 2Amp but within 5 …

Hey all, I have a 2006 Prius with 113k miles on it. The red triangle, cel, and the red car symbol on the mfd all turned on suddenly. Got it scanned at orielly's but no codes came up.When the light turns on briefly during normal operation, it means your Prius is losing traction—and the system's fighting hard to maintain it. But if that light stays on, or if you see a light that says "VSC OFF" or "TRAC OFF," you're likely dealing with a different problem. These lights mean that your VSC system is off ...11 votes, 24 comments. 41K subscribers in the prius community. Everything Toyota Prius! ... Red Triangle + yellow engine, brake, then 3 letters I forgot + MFD with upper left red Car With Exclamation Mark. ... Workshop tried to clear the codes to no avail, and since I replaced the 12v battery, the car stayed overnight without it (which did ...2004 Prius. Model: N/A. P0A2D/249 is clear, it had a broken red wire at the plug. I spliced in a new plug, very cramped but doable. With this clear P0A08/264 showed up. The troubleshooting list is daunting. With the car off the 12v battery reads 12.4v at the batter, with the car on it reads 14.15v.Prius battery cell - https://amzn.to/314cBpJBluetooth ODBII reader - https://amzn.to/2LNt660You can use my referral code to get 1,000 miles of free Superchar...Hey everyone. I own a 2007 Gen 2 Prius and lately it started showing the red triangle warning light. But it happen intermittently, randomly but almost in every drive longer than 10 minutes. It just pops up for a second and then gone. I cannot, for the life of me, figure out what's common about those occurrences!N/A. When you first log into techstream and connect to the vehicle, you'll see a column of buttons on the left side. Click the health check button to retrieve the codes. You'll get a screen that lists all the codes present. Look down at the bottom toward the right and click the blue icon that looks like an engine with an eraser on it.Now for my 2005. I month or so ago the RED triangle came on and I put my scanner on the OBD and no codes were shown. I was thinking about buying s new Nexcel for this car anyway so I ordered one for it. Yesterday I installed the new 14 cells and all went good just like the 2004. I now still have the same problem with the RED triangle coming on.You should check if your inverter pump is working. Open the inverter coolant reservoir and see if the coolant is moving rapidly when your car is "READY". You can also read the codes to determine what the car is reporting. Coolant is moving rapidly when the car is ready and the code I have is the p3000. #4 2007priuslol, Jul 2, 2021.> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, ... Check out this thread for more details and to report any other bugs. Red Triangle! Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by PristinePrius, Mar 8, 2016. Page 1 of 2 1 2 Next ... 4 OFF/ON cycles to clear any codes - assuming the codes will clear. ...

Some common check engine light codes for the Toyota Prius include: P0A80: Hybrid/EV Battery Pack Deterioration. P0420: Catalyst System Efficiency Below Threshold (Bank 1) P3191: Engine Does Not Start or Engine Runs Rough. P3125: Hybrid Battery Voltage System Isolation Fault.

There are a lot of big hills in the SF area, and that could easily cause a real or phantom out of fuel situation. The red triangle is like Microsoft's BSOD (Blue Screen of Death), where it doesn't really make any difference why it's there - no matter what you are SOL. Tom. #5 qbee42, Sep 18, 2007.Hey everyone. I own a 2007 Gen 2 Prius and lately it started showing the red triangle warning light. But it happen intermittently, randomly but almost in every drive longer than 10 minutes. It just pops up for a second and then gone. I cannot, for the life of me, figure out what's common about those occurrences!The codes on the MFD are for audio and Navigation (if your car has GPS). You need a generic OBD2 reader to read some codes. Best to use miniVCI w/ hacked Techstream. It will read ALL Toyota & Prius codes; software made for specifically for the Toyota family (Toyota,Lexus, Scion, Daihatsu(JDM)).Many Prius drivers have reported the most common cause for a red triangle of death light is an issue with their battery. ... The P300 code refers to the Prius ' battery control system. When this code appears, the problem is typically caused by several sources, but it means there is an issue with the HV battery's ECU.Those codes are from the brake ECU, and so are the Prius-specific codes C1259 and C1310, so all those codes account for the VSC and ((!)) lights. The C1259 and C1310 both simply tell you that the brake ECU has been notified of trouble codes in the hybrid-vehicle control ECU. The HV control ECU codes are why the red triangle is on.2007 Gen II Toyota Prius 203,000 miles. So the red triangle and VSC and check engine lights on my car recently came on. A few months ago before the lights came on I noticed that on some days I would start my car and drive up a hill and the battery would go all the way down to one bar.This morning I started my 2008 Prius (approx. 31k miles) and found the big red triangle with an exclamation mark and check engine light turned on. I drove my car <1 mile to a smog check station where they ran a diagnostic on it and came back with the P0A9C code. A quick internet search turns up that this is "HYBRID BATTERY TEMPERATURE SENSOR "A ...So get the codes read to see if P1121 is in the past history. If this turns out to be the case, then replace the valve. A defective 3-way coolant control valve, at worst, will prevent the heater core from receiving hot engine coolant. IT WILL NEVER BE THE CAUSE OF AN OVERHEAT SITUATION.

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This indicates a problem with the regenerative braking, and is triggered by the above code. A symptom rather than a cause. c1310. I don't see that as a valid code for a GenII Prius. c2318. "Low voltage error" comes with the failed 12V battery. b1421. This can be ignored. (Light sensor on dash.)2006 Prius with 183,000 miles. NEVER had an issue until two weeks ago. Replaced hybrid battery less than a year ago. Two weeks ago I took it in for an oil change and two days later the red triangle, VSC, check engine, and circle with exclamation mark came on. I read forums and thought it must be the 12v battery.Florida. Vehicle: 2007 Prius. Model: ----USA----. Hi guys, I habe the P0A80 code in my prius and I vheck the modules volt and fans and everything is working, as you see in tje picture, it say that the block 1 is low, but, all the voltages are 7.6 and up, do you thing that I have to change the sensor in the image? Need your advises one more time ...Sep 15, 2019 · 2004 Prius. Model: One. I have a 2004 Prius with a red triangle of death along with an yellow exclamation point next to it and a pinkish car symbol with a exclamation point on the screen top left corner. It will start intermediated when u let it sit couple hours and nothing will show on dash till couple minutes of letting it idle or driving it. jack1989 New Member. I have 2004 Toyota Prius 110k miles on it. New auxilary battery on it. VSC, Brake and Red triangle lights are on. The car wont start. System comes on, but ready light doesn't not appear. If I discoonect the battery for a minute and connect it back, I am able to start and drive it. After a minute VSC, brake light comes on.Top Repair Three: P1121 Coolant Flow Control Valve Position Sensor Stuck. Another contributor to our check engine light list of failures and a common one is the P1121 code. This code means one ...> Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance ... I also drove the car 20 miles without the issue worsening. I guess next step is getting the mini vci code. #6 Mavi, Oct 13, 2015. Patrick ... I replaced the transmission with a used one from 2008 with 90k and now the car is back to normal with no red triangle. Drove it ...2008 prius red triangle light. Discussion in 'Gen 2 Prius Main Forum' started by Nathan92, Jul 25, 2018. Nathan92 New Member. Joined: Jul 25, 2018 3 0 0 Location: Branson Vehicle: 2008 Prius ... It will offer up a sub code (called an INF) that goes along with the primary DTC. Please post the DTC with the INF when possible, which can make ...San Francisco. Vehicle: 2004 Prius. Model: N/A. It was driving me crazy that the red triangle warning light (master warning light) flashed for only a split second, once per day, two days in a row. I drive 100 miles per day. My 2004 Prius has 136K miles. It turned out to be low motor oil level, 1.75 quarts low.Hi all, I bought a 2007 Prius a few months ago for cheap off my neighbor. It had a reconditioned battery put in about two years ago. Last week it showed the red triangle of death, and I got a P0AA6 code on my reader. Scheduled it at the mechanic for this week, but I had to clear the code in order to put it in drive to get it to the shop.Everything Toyota Prius! Currently private to support the proposed changes to third party apps. Members Online • MaxAmmo163. ADMIN MOD Have the red triangle of death and no codes on the OBD2. Gen 2 Prius. Checked oil level Checked the water inverter it is working Checked hybrid battery fan, it works Checked the 12v battery is good The hybrid ... ….

No Codes, Red Triangle, Brake, Check Engine & Car Outline in MFD. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Buckthorn, Apr 19, 2020. ... >>>> My 2007 Prius is showing the exact problem you described earlier "Got red triangle, brake warning, check engine, plus car outline with exclamation mark in upper-left ...Everything Toyota Prius! Currently private to support the proposed changes to third party apps. ... not on a gen2. more likely misfire due to something easy. but without codes no way to know Reply reply ... The red triangle, associated lights, and refusal to move could mean a battery failure. Knock could be misfire. Check codes and report back.Do you ever get the feeling that something is really wrong with your relationship — but can’t put your fin Do you ever get the feeling that something is really wrong with your rela...Good morning, Quartz readers! Good morning, Quartz readers! Congress is returning early for a vote on the US postal service. House speaker Nancy Pelosi is trying to block operation...The triangle is still there so I took it to Auto Zone to check codes. The codes are c1241(low battery positive voltage),c1310(malfunction in HV system), c1343(malfunction in hydraulic system RR, c1344(malfunction in hydraulic system RL) I know this means I have a problem with my Brake system but don't know what.You said "P300s" ... P030x (zero after the P) would be run-of-the-mill engine misfiring codes, but the Prius does have some hybrid vehicle codes that start with P300 (no zero after the P). ... from the whinny sound and shutter would be a bearing in the "transmission" is gone and its overheating causing the red triangle but no codes but I …Alright, my friends, it’s time to roll up our sleeves and tackle the red triangle head-on. Follow these simple steps to reset the red triangle Prius and get your dashboard looking pristine again: Identify the problem: Before you can reset the red triangle, you need to know what triggered it in the first place. Check your owner’s manual for ...Luckily I have an identical one of these and a 2002 as well (prius junkie.) I swapped the two ecu's ( the engine ecu and the hv ecu - they are hooked together and I just swapped the whole assembly.) Results: No change on either vehicle. The one without a problem still has no problem, the one with the problem still has the big red triangle. Prius red triangle no codes, Multiple codes causing red triangle and check engine light. Hi everyone. I have a 2007 Prius with 181,000 miles that I've had about a year. I've had to replace hybrid battery cells on 2 different occasions so I thought when the triangle appeared again, it would be the same thing. Instead, I got 4 codes that I haven't seen before from my car., The simplest way to reset a warning light in a Prius is to disconnect the 12V battery. This will erase the stored codes and reset the warning light. To do this, locate the battery in the engine compartment, remove the negative cable, wait a few minutes, and then reconnect the cable. 2. Use a Scanner Tool., Alright, my friends, it's time to roll up our sleeves and tackle the red triangle head-on. Follow these simple steps to reset the red triangle Prius and get your dashboard looking pristine again: Identify the problem: Before you can reset the red triangle, you need to know what triggered it in the first place. Check your owner's manual for ..., 2008 Prius with 3/4 warning lights and no codes . ... The red triangle. The check engine light. A red icon with a car and "!" on the "info" display An hour later when starting the car to take it to read codes, another light popped up (in addition to the others) for <1 minute before disappearing ..., Prius Red Triangle No Codes . If you’re the owner of a Toyota Prius, you may have noticed a strange red triangle with an exclamation point appearing on your dash. This is known as the “Prius red triangle of death” and it’s actually nothing to be concerned about. Here’s what you need to know: , 2006 Prius with 183,000 miles. NEVER had an issue until two weeks ago. Replaced hybrid battery less than a year ago. Two weeks ago I took it in for an oil change and two days later the red triangle, VSC, check engine, and circle with exclamation mark came on. I read forums and thought it must be the 12v battery., I bought this 2008 Prius seems to run normal; however the was check light when scanned, it showed p2601 we replaced the coolant pump but the code came again. afterward I got a red triangle and could start the car; since some people associate the red triangle with the 12v battery, I checked the voltage an it was low 9-11 volts., I bought a used Prius cheap off Facebook Marketplace to use for gig work. It drives great other than losing coolant then overheating / red triangle. Has 340K miles. What I know so far (also pic of scan from AutoZone attached). Has the following codes: P1121, P1150, P1151, P0300, P0302, P0304, P0420., Not everyone can afford to install solar panels or get a new Prius this Earth Day, but there is one place you can go green without spending an arm and a leg or radically changing y..., 2008 Prius. Model: N/A. This morning I drove for about 3 minutes before 3 (4) warning lights came on. The red triangle. The check engine light. A red icon with a car and exclamation point on the "info" display. An hour later when starting the car to take it to read codes, another light popped up (in addition to the others) for <1 minute ..., Yes. The HV isolation fault kicked in again, so it probably won't go ready again until you disconnect the 12v again. Hopefully it's not the transaxle failing, but the only way to know for sure is to get the codes and subcodes . #6 TMR-JWAP, Dec 26, 2019., 2006 Prius with 183,000 miles. NEVER had an issue until two weeks ago. Replaced hybrid battery less than a year ago. Two weeks ago I took it in for an oil change and two days later the red triangle, VSC, check engine, and circle with exclamation mark came on. I read forums and thought it must be the 12v battery., Do you ever get the feeling that something is really wrong with your relationship — but can’t put your fin Do you ever get the feeling that something is really wrong with your rela..., the red triangle keeps coming on with the water temp light but goes right off but no heat. Replaced the thermostat it worked for about a week. I have a obdII no codes. Took to a shop they said 12V and hybrid 49% both replaced 3.5 years ago., On June 20 it stopped cooling almost entirely and I got the red triangle with the exclamation flashing with the word "problem" and beeping. I took it to the dealer who checked it and said that I was out of freon ($250). They said there were no codes and they didn't know why I had the red triangle. It cooled again, but was still intermittent., Normally when the car doesn't start, you can reset it by disconnecting the 12v battery for a minute and then try again. It should start at least 1 time. If that doesn't work, then you have a blown fuse. I don't know which fuses to check for on the gen 3. I have disconnected the 12v many times., They cannot read codes for a prius when it comes to brakes, ABS, VSC etc. Those are speciality codes. ... RTOD, the red triangle of death, the triangle of death and all similar monikers are stupid throwback references to Microsoft's ... The rest of the story has to be obtained from the HV ECU, which has no blink codes, so can only be ..., IV. If the warning triangle lights up again, it is best to just use a scan tool that doesn't say there are no codes (or get the car to somewhere that has a scan tool that doesn't say there are no codes). Then you can post the codes here, and that makes next steps much easier to suggest. #3 ChapmanF, May 29, 2022., > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > ... After sitting for almost two weeks the red triangle and fault codes P0A80 and P3019 appeared assumed ithe 12 v battery (new yellow top 3 months ago) had gotten a little low. Drove 25 miles and reset, problem came right back., How do I clear a red triangle of death light after repair has been made? [2008 Prius]. Took it to a Toyota hybrid expert. He pulled a code for the inverter Coolant pump. Bought a pump from Toyota and replaced the bad one. Red triangle stays on. 4 months later I decided to pull the battery terminal for a bit and reconnect it., How do I clear a red triangle of death light after repair has been made? [2008 Prius]. Took it to a Toyota hybrid expert. He pulled a code for the inverter Coolant pump. Bought a pump from Toyota and replaced the bad one. Red triangle stays on. 4 months later I decided to pull the battery terminal for a bit and reconnect it., At 60 miles an hour, the red triangle and check engine light. At 60 miles an hour, the red triangle and check engine light come on. They indicate it is a hybrid cooling pump and the stability control system. … read more. Ted Ritter. High School or GED., So my 05 prius just had the Red Triangle, check engine light, VSC and (!) lights come on. ... touota prius code p0a08 12v charging from convertor/invertor system not ..., My 2005 prius red triangle light, battery fan, VSC, and ! symbol just came on. This is what happened in 2019 and a rebuilt drive battery by Greenbean fixed the problem until today. It drives sluggish. Greenbean say it's under warranty but the need evidence of P3000 or P0A80 codes to come fix it. My OBD2 code reader just have P116,1121,1123,1150 ..., > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Server migration is complete! Check out this thread for more details and to report any bugs. Red Triangle, no codes again. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Nance459, Jan 24, 2023. …, The normal operating temp is 185-195 degrees F. This might be caused by a short circuit in the wiring harness leading to the sensor. DTC P1116 and P1121 implies that either the engine coolant valve is stuck, or else there might be air trapped in the coolant heat recovery system loop., Many Prius drivers have reported the most common cause for a red triangle of death light is an issue with their battery. Typically, the …, I have a red triangle on my Prius with the codes p0420, I have a red triangle on my Prius with the codes p0420, p2118, u0293, p0a93, my mechanic couldn't see anything wrong with the catalytic converters and replaced the 12v battery, triangle still came back on. Car drives fine otherwise, not sure what the issue could be., Red Triangle but no OBD code. Discussion in 'Newbie Forum' started by Mukhtiar, May 7, 2019. Tags: gen 1; Mukhtiar Junior Member. Joined: Jun 18, 2017 4 0 0 Location: Espanola New Mexico ... Founded in 2003, PriusChat has been the go-to spot for Prius, hybrid, and EV discussion for over 10 years. PriusChat is the one of the largest privately ..., At first the red triangle and display of "There is a problem with the transmission P lock mechanism..." came on when the weather was bad or wet, then would eventually go back to normal. ... It's been about 10 days or so and no P0446 code or parking system warning. ... Autozone: 2007 Toyota Prius 1.5L MFI HEV DOHC 4cyl …, 2005 Prius, Red Triangle warning, car starts and dash info on HV battery showing steady and well charged; car won't shift into D or R. OBD … read more. 2006 Prius. Main Warning Light (Red Triangle of Death) and. 2006 Prius. Main Warning Light (Red Triangle of Death) and Hybrid System Warning Light are illuminated., After 18 years of service the 12V battery of my 2005 Prius finally gave up. We replaced it with a new one (easy job). When the battery died, the red trinagle of death appeared, but now it will not disappear. The message on the screen says the problem is the automatic parking brake, but that does not seem to be the problem, the APB is working ..., Within the past week, my 2006 Prius (251,000 miles) started exhibiting a problem involving the Red Triangle. The triangle would come on for a few seconds, and the video display would show the not-really-very-helpful message "Problem", but there was otherwise no perceptible change in the car's behavior.