Prius Plug-in 2012-15 :: Car Left In Idle For Two Days - 12V Battery Drained
Mar 27, 2012
Yesterday when I went to start my week old PIP, the battery was drained. There was no power to start and no power to the dome lights etc. I got out the owners manual and on page 594 there were instructions to jump start which I did. I drove it to the dealer and they checked it out. They said the 12V battery state of charge was 50% after being jumped and driven for 30 minutes. They then charged it to a full state of charge. They couldn't find any other drain overnight.
I am trying to determine why this happened. The reason was not apparent. No interior lights were left on. There were no other electronics attached. We had driven the preceding two days in EV mode virtually exclusively. I don't recall if the ICE came on. The car sat unused for 36 hours. It had been plugged in to charge the traction battery and it charged via the timer without any apparent errors.
The service tech wondered if the battery had been fully charged prior to delivery. I know the traction battery had not been fully charged because I was anxious to take delivery. Could this be a consequence of driving in EV mode almost exclusively?
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I went to drive to work today and found that my battery was drained. None of my interior lights were on and I'm 100% sure I turned the car off last night after I backed it into the garage. Last night I drove the car home and was mostly on EV, but drove the last 3-4 miles on ICE. I had the car charging overnight too. This morning, with the battery dead and the cable plugged in, it was making a click sound near the fuse box when I tried to start it.
The passenger seat's heater was on (I think) and I don't think any of the doors were ajar. The only door that could have been opened would be the driver's but I don't think it was half closed.
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I bought a new Prius PIP 2012 ten months ago. I park it in the Airport parking lot a day or two when I am out of town. And this is the 3rd time my car is completely discharged.
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Battery was fully charged when left it at night that in the morning the battery level would be less. This happened to a friend of mine twice so far.
The first time it happened she accidentally left the lights 'on' which supposed to turn off on their own after 30sec. But in the morning she's only left with 2 bars from fully charged. And a week later it happened again but without leaving the lights 'on', from almost full charge to 3 bars of battery in the morning.
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My daughter has a 1999 New Beetle and when she doesn't drive it for a week or so, the battery is drained down to zero and the car needs a jump start. We've replaced the battery twice - the latest battery is only about 3 months old but when we came back from a week's vacation, the car was dead. Instead of jump starting it ourselves we decided to call AAA (gotta' use the membership occasionally). They tested the battery and it was drained to zero (in warm weather). After jump starting it and a few days of normal driving, I took it to the shop where we bought the battery. They tested it and it registered 759 amps (its rated at 730).
The guy at the shop said that it was normal to for a battery to drain to zero after sitting for 7-9 days because of negative drain (keeping the clock running, etc.) I'm not sure I believe him - because I've never had that quick of a battery drain with my other cars.
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About a yr ago I bought a 2010 Prius with about 36,000 miles on it. Now I'm just about to crack 50,000. Late into the winter I began hearing this sound and thought it was odd. I figured it had something to do with the fact that it was winter and the engine/battery were working together to warm the car up as well as charge the battery. I took it to Toyota this past week and of course the "Service Experts" claimed this was "normal" as one of the managers owns a prius and claims they all do this. I know this to be false due to having owned one for a year now as well as reading up on a lot of the great info poster in here. Now in the defense of the mechanic that day, my battery was pretty well charged. The sound isnt nearly as harsh when the battery stays at or around half way charged.
Today while doing some cleaning inside my car i left the air on. As a result my battery drained low enough for the battery to begin charging. This brought on that miserable sound that continues to get louder and more noticeable with time.
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I just bought a 2012 Prius c. There are oftentimes when I don't drive my car for a few days. When this happens, I have heard that the car might not start, especially in the winter. Is this true?
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I had my 2005 Prius sitting idle for three days and when I last used the car it had 6 bars of battery (blue). Today I turn it on and it has only 2 bars of battery (purple) and the engine stayed on about 10 minutes to charge the battery. After about 10 minutes it went all the way to 7 bars (green) and the engine did its normal idle stop. Is it normal for the battery to drain that much in only a few days?
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Where this buzzer is located? under the dash(where)? Mine doesn't seem to work anymore. I've drained my battery like 5 times already.
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I have a 2003 Saturn Vue. My wife left the key in run or Accessory position overnight and drained the battery. Now that I have recharged the battery the car will not start. The dealer where I bought it said to turn the ignition to the run position for an hour to reset the security system. Then turn it off and start it. They said this would reset the computer and reenable the fuel pump. Didn't work.
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I was wondering how accurate the estimated miles in the tank is? For the next two days I will have a 204 mile commute. The Prius estimates I have 210 miles left. Should I be able to make it?
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PIP does not charge the plug in battery while driving....
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Wondering if there is another factor involved here...such as the wrong gauge. I'm routinely seeing battery temps in the mid to low 90s even when it is pretty warm weather and I am in EV. Is this possible? On my old Gen3 even when I use the battery just a little bit on warm days it would go over 110. Does the lithium chemistry just keep it that much cooler? Or does the cooling system keep it that much cooler? Or both? What are other people seeing for battery temps?
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just came home and while inching into the garage on EV, noticed that the battery fan was on.
I have not noticed this before, except for when the battery is actually charging.
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My wife plugged in to the EV charging station at work for the first time today. She was supposed to receive an email when the charge finished but wasn't notified because there was a still a trickle charge being registered by the EV station even though the battery was full.
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What is "reasonable" for the loss of capacity of the Prius Plug in battery? Ours started out with a max at 11.7 miles when fully charged. After 6,000 miles and 7 months it is down to 10.0 miles. This seems like an excessive loss to me. I have read the tips for maintaining capacity and we don't do all the them. e.g. we charge out battery asap so it will be ready for the next trip. Our schedule is not fixed enough to determine when the car will be needed next.
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Occasionally i get a vertical line on the left side of the screen when the backup camera is on. Its like the old film days with the line running down on the screen. I can't recreate it.
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Back in 2012 when I first bought my PIP, the battery charge level as indicated by range was 17-18 miles. The energy to fill the battery has been consistently ~2.5-2.7 kwh.
Earlier this year it dropped to about 15 miles. And just recently it's dropped to about 13.5 miles. The weather has gotten cooler in the last few weeks here in SF, so I don't know how much of this is seasonal as I haven't been keeping track that closely.
I expect to see charge capacity loss over time for the main LiON battery and would like to know what to expect and if my PIP is typical. How much further decrease should I expect in the next couple years? Is your PIP doing better or worse than mine?
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On page 93 of the Prius PHV Owners Manual, under the heading "Capacity reduction of the hybrid battery (traction battery)" is the following language:
"By observing the following precautions, battery charge decline can be suppressed."
"Avoid driving near the top speed for EV driving ( --P.40)"
To me this says don't drive EV 60 MPH, don't drive EV 55 MPH, maybe 50 MPH is OK is not uphill, probably 45 MPH is OK.
The manual also says "Also, if the hybrid battery (traction battery) capacity reduces, the EV driving range decreases. However, vehicle performance does not significantly become worse."
I wonder if this is a statement that the warranty will not cover capacity decline?
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I picked up our Prius plug in on Thursday evening, fully charged from the dealership in Oakland. We drove it home, about 4 miles, in EV mode and then plugged it in for the night. In the morning the car was fully charged. At 8:00 a.m. I drove the Prius up hill about 1.5 miles in EV mode to our car pool pick up point and left it parked on the street for the day. Car was parked on up hill slope. I believe all lights were off. When I got back at 5:30 p.m. to drive it home the battery was apparently discharged and there was no charge or EV range when I selected EV mode. I drove home on ICE in hybrid mode.
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I have noticed this, and thought it strange. I don’t see the charging arrows in the display.
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