Prius Plug-in 2012-15 :: Car Threw Over Temp Indicator / Spewed Coolant
Jun 28, 2014
So at 3 months and 4700 miles on the OD my car threw an over temp indicator driving to work. 5:30 am about 60-65 degrees with a passenger driving over the Santa Susana grade which is a 2 1/2 or so mile grade it starts showing the over temp indicator.
I had not plugged in the night before and had only been in the car for about 7 minutes. I was driving somewhere around 70 miles an hour and that ICE was screaming like it always does. As I backed off the throttle the lamp went out and I cruised it to work. I checked under the hood at work and sure enough it had spewed coolant around the pressurized coolant tank.
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Just bought a new 2012 Prius Plug-in on Friday. Still learning the ropes. I've selected EV mode, and the EV mode indicator light is lit up as it should be on he dashboard above my steering wheel. As would be expected, to the right, the Hybrid System Indicator bar features a little car sitting on top of it with the letters "EV."
However, after a few minutes of driving, the letters "EV" disappear from the little car in the Hybrid System Indicator. The indicator doesn't switch the to HV screen (where the main bar is divided into two halves), but remains in the EV screen (where the main bar is undivided, with a little nub on the left for "charge" and on the right for "power.") And the EV mode indicator light above my steering wheel remains lit.
A few minutes later, the "EV" letters appear in the little car once again. Then they disappear, then they come back again. All along, I've had plenty of mileage left to go in EV mode (more than 6 miles).
Is this normal behavior? Is this simply what happens when the ICE kicks in despite being in EV mode? (And the ICE definitely kicked in - I saw that on the Energy Monitor graphic. And I understand why - it's been very cold here [northern NJ].)
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2014 prius plug in.
My nephew borrowed the car for an hours and after that probably he went on a highway the hybrid indicator light is red and also the power light is red.
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I just hit 20,000 miles and my Hybrid System Indicator Trip B which has my historical data was reset to zero.
When I got to the first 10,000 miles it did the same thing but at that time I thought I reset it by mistake.
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I've had my PiP a month now. When ave temps were in the 30's EV range read 12.4 and I usually got an extra mile on my drives. With warming temps I was getting a read of 12.8 lately and 13.0 for the first time this morning. Thats with daytime temps of 60 but overnight it was still just upper 30's.
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Does the outside air temp make the engine come on to warm up even if everything else favors all electric mode? If so then at what temp does this happen?
I'm asking because there have been a couple of times that the engine came on right after start-up with a full charge and the climate control was not calling for heat.
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I ran about 2 miles on EV then switched to HV 1/2 mile before getting on the freeway. After about 3miles red temp light came on Outside air temp was about 65. I was on a 2 mile long single lane transition so I was unable to get off the freeway. I slowed down to about 60mph from 70mph the light went off. The light was on for about 2min.
I got off the freeway and opened the hood. The coolant had over flowed puking coolant all over my clean engine. I was able to run EV to dealer to check. My guess was a stuck thermostat! Dealer just called me and after calling manufacture to discuss the the error codes and my symptoms, there best guess was a stuck thermostat.
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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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I just want to circualate air. Everytime, I increase the speed of the fans, automatic temperature control kicked in. What is the proper way to bypass Temp control (no heat or AC)?
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After my 25k service it seems the timer scheduler when the square button is pressed/held flashes at 7am. When i press the H button the hour advances to 12am then closes. I want to start the charge at 12am and finish at 5AM. The timer windows closes when i move the finish hour to 12am and then my regular clock hour changes. It used to be when i pressed/held the timer button the start time would show at 12 am and after setting it would go to the finish hour.
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A good thing about Prius PHEV conversions in general is that they mostly don't change the appearance of the car, except for an outlet on the bumper and a switch on the dash.
You can't tell when it's charging and when it's done, without opening the bottom hatch (which may require unloading cargo). The "low battery" indicator can't be seen in daylight.
The charger has a light that turns red when charging and green when charged (or when the battery pack is disconnected). My preference was to move this light to the power connector on the bumper, but this was not practical. Instead, I found that it was very easy to get access to the reverse light in the tail light assembly, without even removing the cover.
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Yesterday, I was driving home in EV mode, PHEV on, about 80°F, no hills, not accelerating, SOC about 4 bars, about 1/2 mile out, when it dropped out of EV mode, and then I got the red triangle and the check engine light. Today I grabbed the code with an OBD2 reader, and got this:
Freeze Frame Information:
1. DTC for which Freeze Frame was Stored - P0A92.
2. Engine Coolant Temp - 138.20 °F.
3. Engine RPM - 1,888.00 Rpm.
4. Vehicle Speed Sensor - 14.91 Mph.
5. Intake Air Temperature - 96.80 °F.
6. Time Since Engine Start - 101 Sec.
7. # Warm-ups since DTC Cleared - 74.
8. Distance since DTC Cleared - 706.50 Mi.
9. Control Module Voltage - 13.69 V.
10. Ambient Air Temperature - 80.60 °F.
11. Accelerator Pedal Position D - 30.98 %.
12. Accelerator Pedal Position E - 46.67 %.
13. Time since DTC Cleared - 30 Hr32sec.
Does this happen because it's in EV mode? Do I just have to put up with it every so often? (This is the second time it happened.)
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I have been very happy with Prius 2012 I got in February. But I have started noticing that the slip indicator light turns on briefly when I start the car. Is it something I need to worry about? It does go off in a second or two.
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Ever since having the EGR delete done, the oil temp has been LOWER than the coolant temp. I am assuming this is bad info from the sending unit? They are reading with in a degree of each other at start up, but when at operating temp the gauge will read lower. Before the EGR delete I had a delta of about 4-7* oil hotter than coolant.
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Coolant temps getting much higher than oil temps under load. Is there any problem that could cause this other than a bad temperature sensor? Reading temps with an Edge CTS 2 monitor. Think I'm going to hook up a mechanical gauge in the morning and see what it shows.
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I am about to finish up my graduate studies here in Ohio, after which, my wife and I will be headed back to California. We are in desperate need of a second car, but have decided to wait until we move to get one. My wonderful in laws have said that they are willing to split the cost of a new car with us. With that said, we have already decided that we want to get a Prius, but we can't decide which one. We both really like the V. We love how roomy the car is. This is very important to us because we are going to start a family soon. However, we also like the regular Prius and the PiP. I really like the PiP but am a little concerned about the new batteries, and I am not sure that I want to pay the early adapter premium assuming one is even available. But, only paying half for a PiP sounds rather tempting. Considering all that I just said, if you were in my shoes what car would you get and why?
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First background: G2 car has 215,000 mi and recently got P1121 scan code, so I replaced the coolant control valve. that's when high coolant temp and no cabin heat started.
on CCV top nipple connected to hose that had a dot on it and hose goes under inverter cover on right, next nipple down went to hose slightly to left of first hose, bottom hose goes to thermus can. initially ran car in diag mode with high heat, no heat in cabin.
so I got a Autel 519 scan code reader and I see now that the only code is a P0505 (idle air control malfunction)
taking car down my road for short test run, I turn off cabin heat completely and watched the ECT. after a while it climbs to around 220, then while engine is running quickly goes to 245F then 260F. At that point in time (around 245F) the high temp indicator lights up, temp stayed at 260ish so I return home. With car in park, cabin heat off - the temp returns back down to 220F. if I rev the engine temp again climbs.
I have gone through all suggestions, open radiator bleed valve, manually 'pumped' coolant hoses, turned on/off high heat in cabin and finally with car off removed and jumped the CHS multiple times for about 20secs.
Have purged the coolant system over period of days and coolant appears to be full as level is near top of radiator cap, no bubbling, no gurgling.
However 2 mentioned problems continue... I am starting to suspect coolant thermostat but it would seem strange that it would go at precisely the same time as coolant control valve.
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Just wondering, is there a recommended procedure or speed range to shift in or out of EV mode while operating, or should it be done while the car is stopped?
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New to the Prius family. Bought a 2014 PIP advanced last week strictly as an economic play. Am noob when it comes to driving techniques, currently average 72 mpg on 90 mi. trips with one charge, so doing better than I expected. I did read up on the Pulse and Glide techniques for the standard Prius and the 'verification' of the glide portion for those is the lack of any power arrows emanating from either the ICS , MG2 or battery on the MID. I have been unable to replicate this on the PIP. In other words, when I am 'gliding' on my PIP, the ICS is off but there always seems to be a green charge indicator flowing back to the batteries from the front wheels.
Keep in mind, my foot is on the accelerator slightly, there is no 'white' bar protruding into the CHG area or the ECO area and I know I am 'gliding/coasting' as no matter how long I am in this sweet spot, even though the charge arrows are active, I DO NOT top up the battery at all, which says to me the car is indeed 'gliding' without the regenerative brakes or ICS in play and it certainly FEELS like I'm gliding as with over-inflated tires (44/42) the PIP seemingly coasts forever. I'm thinking this is a different behavior from a standard Prius in this 'glide' sweet spot, as, at least on my PIP, I can never get the MID to blank out in terms of energy flow. I.E. have you managed a 'pulse and glide' in a PIP getting the all energy flow arrows to disappear .
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I am thinking of upgrading to a pip. I work in my car and was wondering if I plug it in can I still have the a/c running while it is plugged in or not? i read somewhere that if you turn the car into ready mode the systems won't allow it.
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We just picked up our PIP and are super excited......except that the GPS is locked on Kentucky? It does not locate us here in Sacramento, CA and the dealer said if we can't get it working, they obviously will be fixing it.
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