Prius (2004-09) :: 2005 - Hybrid Battery Warning Lights Come On

A year and a half ago, I had the hybrid battery warning lights come on and had it towed to the dealer. After given the option of replacing the battery for $4300, I took it home and did a single cell replacement (all cells ~8V, one at 6.6V which I replaced), which seemed to be all good until yesterday. Back with the warning lights and blower fan, I jumped to the conclusion that I have a similar situation, removed the battery and all cells are 8.04V +/- .05V except for 1 cell at 7.92. I am not convinced that this cell is really the culprit.

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Prius (2004-09) :: 2005 - Fuse Blown While Replacing Hybrid Battery

I replaced the hybrid battery in my 2005 Prius today & when I disconnected the 12v battery the wrench arced & I assume that I blew a fuse. I have looked, but have not found anything. I hope I am missing something obvious.

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Prius (2004-09) :: 2005 - Massive Hybrid Battery Discharge In First 2-3 Miles

My car is an 05 and currently has 219,000 miles. Runs great. Only things I've replaced are the 12 volt battery and the rack and pinion. Replaced the rack because I was trying to drift in the snow and tried to beat the traction control. Needless to say, I lost and hit the curb. Jammed the gear in the left side of the rack. Replaced the rack with a $75 used one and no problems since.

My issue is this, even if my battery is at 6 bars when I first take off, my hybrid battery drains down to even as low as 1 bar. It only got down to 1 once but is hitting 2 regularly. After about 3-10 miles it is back to the regular charge rate. I also noticed the other day with the window down, there was a slight whirring sound, almost like a gear or wheel that is a gummed up and is being slowed down. It also felt like there was resistance, almost like the brake was dragging. After a few miles, as in less than 5, the noise was gone and the car was going along just fine. I've checked the emergency brake to see if it's dragging by applying it and releasing it several times. Does not appear to be the issue. Today I put it in neutral to see if that changed anything but it did like it always does and just coasted along fine with no resistance. My thought is the transmission. I'm wondering if the fluid it so old and broken down that maybe things are gumming up. Either way, I purchased the tranny fluid and will change that out. I know people will probably gasp but I have never changed it. Actually thought because it's a cvt and there is no dipstick to check it, that it doesn't need changed. After reading up yesterday I discovered I was mistaken.

I think that's about it. I'll edit it if I think of something more. Once the battery is back up to charge it accelerates and drives like normal. I do want the car to last so my daughter can use it when I buy the new Prius Prime.

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Prius (2004-09) :: Changed Hybrid Battery Now Car Won't Start

I changed a bad cell in my hybrid battery (only one cell was bad) and put everything back together and it wont start. I've double checked all connections, fuses, everything I took off. I put the orange plug back in, fiddled with it, pushed it in more. It's got a brand new 12V battery and I dropped it off at autozone to get it charged up as well. Here are some pics and what it's showing .....

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Avalon 2005-12 :: Front Windows Will Not Go Down After Disconnecting Battery

I disconnected my negative terminal on my 2007 Avalon to remove the radio. I eneded up having an incorrect connector for what I was doing so I reinstalled the factory radio back into the car after having it out all of about 20 minutes. The only connectors I touched were the two attached to the vent casing around the radio and the ones plugged into the radio. After reconnecting the negative cable, I see that my driver window no longer goes down automatically with the long push of the button.

My front passenger window will also not go down with the driver side controls. (it will with the control on its own door). The rear windows work fine with the driver side controls. Also, my sunroof will not auto open or auto close with the long push. It will open, but I have to keep it pushed down until it is done. Is there something I just need to reset since I unhooked the battery? I remember something like this happening in my 4runner in the past.

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Passat (B5) :: Car Won't Start After Disconnecting Battery

I have a 1999 vw Passat i have to say i love it but sometimes it pisses me off ok well i have this problem i disconnected my battery because i was trying to reset my cpu and now my damn car wont start .

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Prius (2004-09) :: 2005 - New Battery Installed Now Car Will Not Start

My mechanic installed a new Hybrid battery in my 2005 Pruis using the repair manual and a video that showed him how to do it. He also replaced the harness and the ECU battery. When he tries to start the car all of the lights light up on the dash but no ready light on the start button and the car will not start. The instructions did not say anything about this issue so he is lost! He thinks the smart key and the ECU have to be synced in some way but doesn't know how to do it.

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Prius (Gen 2) Fuel :: 2005 - Expected Mpg With Bad Hybrid Battery?

A friend of mine has a 2005 Prius, and was asking what his mileage would be when the hybrid battery dies. He has about 131k miles on it, and the battery dies out very quick right now. I told him that with a 1.5L engine, he should get at least 40mpg with the hybrid battery being dead.

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Prius (2010-12) :: How Car Could Be Left Without Disconnecting Battery

I was just wondering... I am in the navy so i'm called to go away quite often sometimes for extended periods.

I have read that the 12V battery will discharge itself if it the car is not being used frequently because it has the memory for everything (radio channels, time, trip meters, etc)

My question is how long is it safe for me to just leave the car parked in my driveway without disconnecting anything and when should i disconnect it?

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Prius (Gen 2) :: Disconnecting The Battery To Change Out The Tail Light

I need to replace tail light assembly on 2005 Prius. Some instructions say you should disconnect negative cable on battery before doing this, then do some initialization after reconnecting the battery. Is it necessary to disconnect the battery to change out the tail light assembly? If so, what is the initialization process that must be done?

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Prius (Gen 2) :: New Hybrid Battery Installed Now Car Will Not Start

My mechanic installed a new Hybrid battery in my 2005 Pruis using the repair manual and a video that showed him how to do it. He also replaced the harness and the ECU battery. When he tries to start the car all of the lights light up on the dash but no ready light on the start button and the car will not start. The instructions did not say anything about this issue so he is lost! He thinks the smart key and the ECU have to be synced in some way but doesn't know how to do it. (none of the books covered this.

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Prius (Gen 2) :: 2005 Hybrid Battery Installed, Engine Code 2102 / Bars Dropped

I just bought 05 prius from a dealer I don't know the history was told all it needed was a hybrid battery.

Now I have a 05 that I drive with known good parts so I pulled my hybrid battery and installed it in the new car the monitor showed engine charging inverter then going to the battery. However the bars on the battery graph start dropping. only code is a engine code 2102.

I also noticed the old A/C condenser in the back.

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Prius (2010-12) :: Does Reverse Beep Go Back To Default Setting After Disconnecting Battery

I had the reverse and seat belt beeps changed by the dealer before I took delivery. Now I want to install some mods which would entail disconnecting the 12-volt battery. With pre-2010 Prii the beeps would go back to the default settings. Will this happen on the 2010+? I don't want to make another trip to the dealer.

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Prius (2004-09) :: 2007 - Hybrid Battery Always At One Bar Down?

My concern: The hybrid battery, or the monitor really, has never, ever, not once, shown an all-bars charge. It is almost always at one bar down, and will drop below that but never goes above. My brother has a Gen I and his battery shows all bars from time to time. Not mine.

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Prius (2004-09) :: Hybrid Battery Is Low Overnight

My hybrid battery has been running low the past few days. This has never happened before, but it has been around 90 degrees out during the same few days. I noticed it this morning as I left for work. It was down to two bars when pulling out of the garage. I was getting pretty nervous, but at least the ICE was charging it. Although, it never fully charged the system, as I live pretty close to work. On the way home, I tried to drive around for a mile or so to see if I could get the battery fully charged.. The best I could do was four bars. Is this typical of the hybrid system in warm weather? Should I be worried about it? Also, the system has a fan, why doesn't it come on if the hybrid battery is so temp sensitive?

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Prius (2004-09) :: Possible To Charge Hybrid Battery When Car Is Idling

I recently purchased a used 2007 prius. The car has not been driven for some time. I won it in an auction from a used/wreaked car lot and am in the process of fixing it up. I need to know if it is possible to charge the hybrid battery when the car is idling or will this only discharge the hybrid battery and if so, is there any way to charge the hybrid battery other than driving the car?

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Prius (2004-09) :: Red Triangle / CEL And Red Car At The Top Of MFD - Hybrid Battery Failing

i have a 2006 with almost 200k miles. Got the red triangle, check engine light, and the red car at the top of the MFD. I ran the codes and got P3000. Does this sound like traction battery failure? The car still turns on and ICE still cycles off and on.

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Prius (2004-09) :: New Hybrid Battery - Red Triangle Pop Up Intermittently

I have a 2007 Prius with 107k miles. Last July it had a minor drivers side front end collision. Last November it had the hybrid battery replaced. I believe all this is unrelated just putting it out there for information.

I am currently having the red triangle pop up intermittently. When it does a "problem" message will display on the MFD. This seems to occur most often after a long downhill or when the Energy display is showing the hybrid battery is nearly full.

The hybrid battery seems to be functioning normal and the car is driving normal and has expected fuel economy. I do have a headlight that cuts out occasionally but no other noticeable electrical problems. I do not have a diagnostic device to get the codes.

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Prius (2004-09) :: Hybrid Battery Status Indicator Color?

Just got a 2008. The Hybrid Battery Status indicator on the display is usually yellow. it will sometimes switch to blue. I assumed that yellow was the correct color but after reading some posts here it seems that they should be blue.

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