Touareg :: Radio Not Fully Turning Off Causing Battery Drain
Feb 27, 2004
I spent some time searching the forums last night and found a bunch of you are having the same problem I did with a dead battery. I took mine in for service and the dealer told me that Volkswagen has discovered a software glitch in the radio that causes it not to fully turn off. This is a constant drain on the battery that will eventually kill it if it goes unused for "long" periods of time. They didn't say how long it would take to fix it though.
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I had a sensor error which caused my battery to drain. The computer thinks my door is unlocked when it is locked, leaving the door open image on the dashboard. This caused my battery to drain totally. What the damage would be for a new battery and fixing the door sensor ?
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Several times now I have found that the courtesy lights stay ON after all the doors are closed, and the dash switch is indeed off. This has caused the battery to drain.
I have opened and closed all doors numerous times and the light won't go off. I can't seem to find where the door switches are so that I can inspect them.
The last time this happened I was forced to remove the fuse, then the next day I put the fuse back in and the lights operated correctly.
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92 Honda accord. This car has two radiator fans. The passenger side fan comes on intermittently after the car has been shut off, causing the cars battery to drain. If the battery isn't disconnected then the car has to be jumped every time due to the fan running. Cars temp doesn't get hot, checked coolant, everything seems to be working fine.
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I have a 2006 with the DVD Nav radio. Sometimes when I am turning and going over a bump (curb, speed bump), the volume jumps up dramatically. Even when the radio is on mute, it will come out of mute and start playing substantially louder than the volume was set prior to mute. At first, I assumed I must be hitting the VOL+ button on the steering wheel but then I realized that it often happened when my hand was on the completely another side of the wheel (with the 2006 power steering change, it's pretty easy to turn one-handed). I am downright positive this isn't user-error.
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My father has a 1995 Jeep grand Cherokee that drains the battery every few days. I draw tested the battery and it is fine. The alternator is charging fine. During a check of the circuits for battery drain, I found that the MUX/T Tow 50 amp fuse is draining the battery at a rate of about 1.5 amps or more. The manual I have does not list the fuse so the following questions come to mind.
1. What circuits are on this fuse?
2. Can the truck be safely operated without this circuit?
3. What further can you do to detect the trouble?
Some answers I came up with after a little more checking.
1. The gage cluster does not work when the fuse is removed, it must be on this fuse. None of the cluster system lights come on when this fuse is out. The cluster illumination lights work ok.
2. All external lights work without the fuse in except stop lights.
3. All other functions are working without the fuse in.
4. No the truck cannot be safely operated. See answer #1and 2 above
5. Found online that a check of any trouble codes might determine touble.
6. No codes were found. But i ddid have the battery cables off before this was checked. He is going to drive it home and back on Sat so I can recheck the codes.
7. Many replys to other posts here on this site refer to the MUX as a "multiplexer"
More questions
1. What the heck is a multiplexer?
2. What relay controls the cluster? Or is this done directly by the ECM.
I do have a good background in electrical and electronic circuits of many types, mostly radio and computer, but also including automotive. So feel free to beat me up if I am overlooking the obvious. I just feell like I am beating my head against the wall here. AND this is what it feels like (thought that was real cute)
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2010 f150; intermittently the key turns fully without turning the engine on. Still under warrenty, been to shop twice, cant find anything wrong and service people have no clue. new battery, no codes. Occurs usually after the truck has run never when sat idle for a period. Start after a while can be 1 min to 2h.
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Recently i been noticing that it takes up a lot of power from the battery causing it to sometimes shut off or the needle almost at the out of power side. Besides the basic electrical's, i have a subwoofer and amp hooked up that have never caused me any problems. Now that i'm noticing this whenever i switch anything on the needle will go down a bit and when i switch it off it goes back to normal and i used to hear my music loud with no problem now i'm scared to even take it that high cause i'm scared it might shut off while im driving. Has happened many times on me and on my dad on the freeway before. Even turning on the headlights at night the needle goes down.
Info about the battery, i don't think it has been changed in a LONG time and looks old also. The car was abandoned in our garage for a long time till i got my DL about 2 years ago and parents gave me the car.
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Today while I was out driving in the country, my 2001 Prius with 140,900 miles pulled an error code. The red triangle popped up on the dash along with a "Check Engine" light and the car symbol with the "!" through it came on the MFD. I was able to get it back home safely by the way. The car had a weak 12v battery as it is, and I have been planning on replacing it but haven't gotten around to it yet. What I want to know though is, can a weak 12v battery cause those warning lights?
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First, the Touareg navigation radio has two AUX inputs, plus a telephone audio input. One AUX input is an AUDIO/VIDEO input. The other is an AUDIO only input. Below is a photo of two Dietz cables connected to the two different AUX inputs:
How to actually connect these cables and what parts are required would be too lengthy a post for this thread. So if you want to know these details, click on the link shown in my signature below.
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gen 3 owner here. Pretty happy with the car and the mpg. One thing I don't fully understand is when I going uphill on the freeway at 65 mph (such as LA's 405 sepulveda pass), the bar gauge is telling me I am in the power region, but the energy flow graph is showing the battery is switching back and forth between charging and discharging. The battery level just stuck at 1 bar below full. Any way to get the battery to work out more during uphill, as I expect I can recover them shortly as I go downhill?
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I just got my Prius v for few days. I noticed that I only saw the battery bar fully charged once and for a very short time. Also, when I idle my car for a period, the battery would drop to three to two bars. Is it normal or there is a problem to my battery? I got 49500 miles on it,
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Today I was driving up to the highlands, and there is a hill I have to climb called 2 mile hill, it's an 8% grade, I started the climb with 7 green bars on the display, and the engine revved to what sounded like full pace (5000rpm) but I paid attention to the battery and it was actually being charged despite the situation. I got to the top of the hill and the battery was showing all 8 green bars. I'm shocked because I was going uphill at 65-70 MPH and it fully charged the traction battery.
I thought I heard a couple years ago that every couple months, the Prius will do this thing where it will fully charge the battery or something like that because of memory effect of the cells? Why it did this?
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After coming to a complete stop & starts driving again, I notice that the brakes squeaks a few turns & then stops. It seems that the brake calipers does not fully disengage from the rotors.
2006 Touareg V6 Silver
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I have found the source of the problem....although it was not like this before....when the windows are fully closed and up....the noise happens ...when they are down...the noise is totally gone...what is up ?
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1993 Chevrolet S10 Blazer will not turn over the battery is fully charged when key is turned there is nothing not a sound only smoke coming from a wire on top of fender under hood.
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45 days into the ownership of 600 and never seen the hybrid battery fully charge. The top bar never turned blue, is this normal?
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I’ve searched for an answer to my question but have not found it yet.
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My dad's 2004 Prius start despite the auxiliary battery being fully charged. No lights come up on the dash, except for the door ajar light and the blinkers when the car is locked with the key fob. Also, we cannot scan any codes because the car doesn't power on at all.
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We bought a new battery the van would not spark when the battery was fully charged but when the battery gets low it start to spark...
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The 12V battery must have been drained completely over the weekend. None of the lights (interior and exterior) are working. The car won't start even using jumper cable. I guess the 12v battery must have some juice remaining to power up the computer in order to jump start the engine. Am I correct in this assumption?
My Prius is only a little over three years. What is the warranty on the 12v battery? I read that the OE battery is not the best. How long would I expect the OE 12v battery to last?
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