Prius (2004-09) :: Changed The Battery But Still Doesn't Work
Aug 6, 2012
I tried a few used batteries I had laying around, so then I ordered the exact battery that was in the fob, Panasonic 2032 and it still doesn't work. The car has always sensed my hand at door and I still don't need to put the key in the slot. I can just push start, but the lock and unlock buttons don't respond.
I've read that the red light should come on when the buttons are pressed, and they don't with the new battery so the new battery is probably too weak.
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So the evaporator in my dads Prius had been leaking for a while so we finally decided to bite the bullet and change it. Everything came apart fine. Changed the evap and expansion valve. Put it pretty much back together except for glove box and a pillar trim pieces. Push power button twice to make sure all the flaps and blower motor works as it should. Well the blower motor doesn't come on. I hear the relay click when you turn the fan on in the mid. No power at the fan though. I checked just to be sure. I've looked all over for loose wires/plugs but have yet to find anything. I started the car up and everything works fine except the blower motor. What it could be?
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I bought a new auxiliary battery online and installed it. I reset the driver's side power window. But my CD changer now beeps four times, all the lights turn green and orange, and I cannot play a CD from the changer or eject any of the discs. Both discs currently stuck in it are store bought Third Eye Blind CDs with no stickers, labels, etc.
I'm assuming that the CD player needs to be reset. Someone in another thread mentioned unplugging the battery for 20 seconds, while someone else said I need to enter a code that I can get from the dealer. I can go without the changer but the beeping is maddening.
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I have a 2008 prius and had to change my drivers side airbag recently. Before it was changed, it started just fine, but now after it was changed and the airbag computer was reset the car doesn't start. It does shift from park to neutral, but not into drive, reverse or B position.
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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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Started having problems with one of the key fobs for my '09 Prius about a year ago. Battery change, perked up a bit, but then started malfunctioning. At first, wouldn't unlock car doors, then wouldn't start car. Will do so if insert into the fob receptacle, but not remotely.
I'm trying again to revive it, since it only lasted 4-5 months before. Won't unlock car doors again, etc. Unlock button does not appear to be stuck - you can feel it "clicking" when you press it, so it doesn't appear to be the stuck button problem.
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I have a 2005 Pruis and the remote entry does not work. Changed the battery in the remote and I still have to put the remote key in slot to start the car. Been working fine for ten years.
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My red triangle light came on! and the PS light came on the square screen and my power steering is in the dumps (doesn't work).
Where would be the first place to check? could it possibly be the accessory belt that came off/broke? is it hard to access/replace that?
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I recently changed my battery and now my auxiliary doesn't work. I have read that it's simply changing a code with program. Vagcom-(VCDS)
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I have a problem with my central locking, I changed the battery in the fob but it won't lock the car, if I lock with the key the fob will unlock the car. When I press the lock button there is a clunk-clunk as if the central locking is working and I can hear the noise in the doors and the boot but nothing happens. The battery was totally flat and I haven't been using the fob for a long time but I seem to recall it used to lock.
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Yesterday when I pulled in my garage, my 2007 Prius starting locking over and over by itself- it was freaking me out.
In doing some internet research and on here, I realized that my unlock key was “stuck†and could not be pushed in, and I assume this is what was causing the automatic unlocking. I have played around with it, but so far I have not been able to open it up or pop it back in place as some have been able to do.
A couple of questions:
I think this has caused the battery to die on my FOB, because none of the buttons work now, and the red light doesn't flash when a button is pushed. But, the smart key system still works, the doors unlock when I touch the handle, and I can drive the car. Will that continue to work with a dead battery in the key FOB??
What bugs me about this is I NEVER use the buttons on the FOB- always use the smart entry, etc, so I know I didn't do anything to cause the unlock button to stop working...
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Does the 12v battery need to be changed on a regular schedule? There are many articles on "how to" but could find no info when it is needed.
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I had problems with the 12v battery, it was drained and I had to recharge it, which meant disconnecting the negative/ground/earth cable. Ever since the rear door opening button on the outside of the car won't work.
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Just changed out my 12v battery in my 2008 Prius, I found water in the battery compartment. There have been heavy rains this past weekend but it should not have entered the car.
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Recently, we had to change the 12V auxiliary battery on our 2010 Prius IV. Everything went smoothly and the entire procedure took less than 20 minutes. We thought everything was good, until we turned on the radio.
Since we changed the 12V battery, the FM radio (which is part of the NAV console) has great difficulty keeping any station tuned. Before changing the 12V battery, we could drive around and listen to our favorite FM radio stations; now, the radio frequently loses reception, and our music frequently gets interrupted with static.
It's been a couple months, and the situation has not improved. We took a look at the antenna, and nothing looks out of the ordinary. It seem odd that changing a 12V aux battery would cause this problem, but we have not made any other changes (not even an oil change) for several months.
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I am facing a discouraging situation here w/ my Phaeton: the trunk does not work, the mechanic called it quits and VW Dealership wants $32k and 3-6months in order to replace the car's electrical harness.
So here are some details regarding the problem:
1. It started by not opening the trunk when using the door switch. only the remote key.
2. Then, it wouldn't lock the trunk (it would open all the way and close)
3. After a few more days, it wouldn't open/close the trunk or lock it. (it would work once in a while, and sometimes the trunk would open/close just half way)
4. As or right now, the trunk opens and closes most of the time, but it doesn't lock.
I replaced the trunk hatch(lock), the hydraulic pump that opens and closes it, new battery and fuses. The mechanic worked on it on several occasions doing all the replacements and calibration, computer reset and all that.
I'm guessing it might be an electrical problem, a loose contact or interrupted wire given the nature of the problem (intermittent operation). But I don't know where to start looking...
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With my wife's Prius, my key doesn't work anymore, wirelessly. I thought that putting the key into the slot would possibly recharge a battery in the key, but even after very long trips, the key will not unlock the car if it's in my pocket. I can only unlock or lock the doors by removing the actual key in the fob. And then I can only start the car with the key fob in the dash holder. I assume there has to be a battery in there, so is it replaceable by the dealer?
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I have rough idle problem after changing spark plugs, fuel filter and battery. There was no rough idle problem before this work was done. What could be wrong. Once the speed is above 20 mph it seem to run fine but at stops it vibrates and seem like it may stall!
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The MFD works and I can change modes and stations, but no volume with the audio. Nothing for bluetooth handsfree, am/fm/aux/cd, etc.
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I just found a nice Prius C for sale with little damage to the front right corner, no frame damage or anything, just some bodywork needed. So, after it was fixed up. I brought the car back and there is weird issue that I have - turn signals and Hazard lights dont work. When I turn it on, i can hear clicks from it, but I dont see lights blinking on the dashboard and my head/tail lights dont blink as well.
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Since we got the prius in October, I have noticed that the lighter socket won't work properly. I have tried multiple chargers and some work, some don't. The ones that don't work in other cars just fine.
My theory is that the plug is too shallow for the socket and doesn't make good contact. The one that doesn't work looks like this:
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