I am going to remove LED headlights & do a full HID retro.
Only problem is that the car has a system check & throws a flashing yellow triangle. How to trick the system?
There are 6 wires on the LED headlight harness.
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?
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.
View 18 RepliesMy partner's Prius is bring up the red warning triangle. She had a system diagnostic carried out, which brought up these two faults:
C1241 Low Battery Positive Voltage
C1300 ABU ECU Malfunction
The faults were reset, but it was only a short matter of time, before the red triangle appeared. My partner tells me this tends to happen more frequently when she is steering left and in colder weather.
She was advised the ABS ECU will need to replaced (it does says "new actuator" on the paperwork)
I am just trying to find out if this means I need to have something checked like coolant hardware/fluid...
It is over 100 F these past several days and at 35 minutes just hopping off the freeway, and then again today, coming down a big hill at another part of the freeway, I noted that as I quickly had to brake the system made the computer noise (same as when I switch from the power view to the trip view), red triangle comes on, no other indicators. The first time it happened I was back on the throttle almost right away and red triangle went back off.
Everything fine. Same today but it was on until I was back on the throttle at the bottom of the hill...
My '04 with 193,000 miles has in the last week displayed the above trio of warnings (the word "PROBLEM" appears in the MFD and disappears instantly) plus the infamous Red Triangle of Death appears and there is an audible chime, 7 times; 4 when changing lanes and 3 at random times. The trio of warnings come on for literally 1 to 1.5 seconds and then go away, and there is nothing apparently wrong with the car, the handling, the performance, etc...it continues driving as sweetly as ever. Nothing. No engine warning light comes on (if there is such a thing), or anything else. I have new tires, the tires are all properly inflated, so it isn't the tires triggering the traction control warning.
View 12 RepliesI got a rebuilt 2008 prius 2 days ago , today while I am driving , the big red Triangle appears , and on the MDF screen i think its a red temp mark , before the red Triangle appears , the ICE become like crazy loud sound from it, so i bring my mini VCI and i got the following info (i will post it as an image ) .
View 9 RepliesWhen I tried to start my 2006 Prius ,it wouldn't start and this message appears with the red triangle "there is a problem with the transmission "p" lock mechanism. Park your car on a flat surface and fully apply the parking brake.
It is at a parking lot now because I couldn't start it!
Driving my 2008 with 189,000 miles on the congested "freeway" the ominous red triangle and the yellow exclamation next to it just lit up. A quick scan of the OBD showed no error codes and good auxiliary battery, engine coolant Temps etc. And good gas mileage, engine vacuum. I had replaced the spark plugs with new iridium two months ago. When I stopped and checked the hybrid converter had good levels and turbulent flow. The oil had been changed a week ago and checked again at lunchtime. Now only the red triangle shows.
View 8 RepliesWorking on a 2010 with 156k miles that threw a P0A80 on two separate occasions. Once before the 12v battery was changed, then the day after the 12v change. Decided to change the HV traction battery today with one from a wrecked 2014 with 56k miles.
After changing the HV batt I started getting the yellow triangle with no code associated with in. I would clear the code and drive the car a few minutes and then the triangle "check hybrid system" would appear.
My car (2006 Prius with 250k miles) was operating normally all day today. Still getting very good mileage around 52 mpg on average. Then abruptly, the big red triangle and few other yellow warning lights (check engine, VSC, and an indicator with exclamation mark in the middle) showed up while the car was moving around 20 mph.
Now, the car does not have much power and it was very difficult to speed up or going uphill. Turned the engine off and then back on. The symptoms still persist. The battery indicator was at only 1 bar. Let the engine run for a while and the battery indicator went to 3 or 4 bars. Turned the car off and then back on, the battery indicator went back to 1 bar immediately. Also the battery fan was running at high speed, even through I have just started driving for about 5 minutes.
Will do the following tomorrow:
(1) check 12v battery,
(2) use Torque SW to see if HV battery has proper values, and
(3) read diagnostic codes.
Last month my red triangle would pop up along with the yellow head light symbol. Most times it would be for a few seconds, other times it would stay on for a few minutes. Today I rotated my tires and I thought I would check out leveling sensor while the tires were off.
I took my left rear tire off and this is what I saw when the sensor was removed.
So everything looked normal to me. Looks can be deceiving. I've seen pictures on here of leveling sensors where the guts are completely rotted out. That's what I was thinking I was going to see. Here is a picture of the bolt side of the sensor:
Again, it looked normal to me. If you don't know what you're looking for, especially if parts aren't mangled, it can look normal. So I took the four screws off of the sensor and this is what I saw:
The inside of the sensor was in pristine condition! The springs are shiny gold and there was only a small amount of dust inside the sensor. I started to think about how the sensor works and I figured out that the sensor must move in some way. Hmmm. But there was no bracket on it to turn the sensor.
I have a used 2009 Gen II with 117k miles. While taking a trip and climbing a high hill on the five, a yellow triangle came on the monitor with the word problem. Now I was going slow up the hill 55mph. I never experienced it with any other car. The battery went to purple and heater did not work.
After pressing the problem triangle it would turn to a thermometer signal. So i assume that the car is over heating. I make i to Los Angeles but then i hear a hum after shutting off the car. It's the pump running much louder.
I fill the radiator with correct fluid from the dealer and I'm thinking that the monitor warning came on only because of the fluid level. No warnings from then on.
So I buy a mini VCI and it has p0128 logged. So I'm thinking that the thermostat doesn't work. However I hear fluid moving from time to time. One day before a trip in the cool morning (around 55 degrees), I open the radiator cap to make sure it's full. It shoots up like a fountain, there was pressure/air in it.
So How do I address the p0128 problem and the no heater problem?
I've read some similar posts but I havent found one with the same problem.
View 1 RepliesTwice 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.
I have a 2007 Toyota prius base model, it has 49,845 miles. Today i got in, pressed the bake, pressed the on button, and the Red Triangle appeared with yellow exclamation point in a circle, and on the lcd monitor it shows that there is a problem and a little icon of a car with an exclamation point on it.
The car drives and runs normal, fuel mileage seems to be the same, everything looks normal except the lights. One thing I tried to do: I took off the battery clamp and i put it back on, the warning lights were gone, but as soon as the engine kicked in the same warning lights came on.
I tried installing a backup camera today. big mistake. When I start the car the yellow triangle shows up. and warning says check hybrid system. I try and put the car in reverse and I hear a snap, it slips to neutral and a warning appears that says put into P position. The only wire I tapped into was the red reverse light camera. I even tried undoing the install and I get the same messages.
View 18 RepliesMy 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. I do restore antique tractors and I am pretty good with computers and I have some pretty good mechanical know how. Attached are pictures of the lights.
View 1 RepliesI started the car and was reversing from the drive when I noticed the car was in neutral instead of reverse and had rolled back itself on the incline I stuck it in reverse whilst rolling and a warning light came on. Although the car runs fine every time I start the car, a red square picture of a car with an exclamation mark in the middle of it flashes with the word problem underneath it. and on the dash there is a red triangle with an exclamation mark on the right and a yellow lit engine picture on the left side of the dash.
View 5 RepliesFirst 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?
View 3 RepliesI currently have a 2008 Touring Package 6 with 180k and I am getting weird problems. I am getting the triangle of death, VSC, and yellow ! light. There is no check engine light. On the LCD I am getting the red battery + - icon as well as the car hybrid icon. I scanned it and I am getting a hybrid code P0A09 . All of the maintenance have been kept up and all fluids are perfect. No weird noises and the car is doing 53 mpg. It switches between gas and electric with no problems at all. Symptoms were yesterday with the lights. I cleared the codes and they would come back instantly. Today, I did the same thing and now everything is perfect. I am attaching the pictures of my dashboard lights that were on and the codes I was able to obtain in diagnostic mode.
View 11 Replies