Hi All, just the status update, i checked the ground cable under the driver seat and it is fine, I removed the radio fuses (2 of them on the passenger side), and the battery isnt drained so i will follow up a week or so to see what will happen. (it drains the battery every night and i jump start the vehicle every morning) So i guess it is the NAV Radio but will see.

 

ONe more day passed and battery is still alive
Suppose to be dead by now.
But i will keep monitoring it for one more week to see what will happen

 

Hi All again,
one more status update,
it has been 1 week now. THe car is parked in my driveway and i didnt drove it except for chainging the oil, i moved it back and forth, and didnt see any drain.
So most probably it is my Nav Unit.

So i am planning to go with a RNS510 upgrade to my Treg, but i still couldnt understand what i need to do for the digital amp.

 

burton123 how old is your battery? When was it last replaced?

 

i replaced it last november. Before that the factory one was there, Vatra or Varta

 

If you haven't already, I'd have the battery tested and make sure there isn't a bad cell. IF you haven't done so already. Better to look at the simple small stuff before you move onto those bigger items.

I had a motorcycle recently that failed to start. Really sounded like a starter gear was cracked. I almost ordered all the parts. Turned out it was just a weak battery. Battery charger and jump-starting didn't fix it. A new battery did.

 

Hmm, do you know where can i make my battery tested?
Like Napa/Schucks? Actually i have 7 years of warranty for the battery. So i can go to Napa and replace it right? or do they check at first and then replace it?

 

Most of those places can test them. But their testers are often inside on a rack. Requiring you to remove the battery. Ask if they have a portable tester that you can hook onto the terminals in the engine bay.

The other option. I know the dealers often have a nice digital tester that puts a known load on the battery and even prints out a receipt of what the battery is vs. how it should perform.

 

i can take the battery easyly, it is not a big deal. Actually you might be correct that there could be something with the battery,
Because on previous battery the symtopms are,
* Keyless stop working,
* I start seeing some wierd erros on MFD2(System Fault WOrkshop, HeadLights...)
then Dead Battery
This time i see those in same order so it could be a dead cell. I will remove the battery today and go the Napa

 

Ya wouldn't hurt to start there.

 

i definetly agree that,
but there is still a question mark that why battery doesnt drain when the radio and amp fuses are out.

Anyways, i will remove the battery and let them check at first and share the results

 

Hi Again, I took my battery to Napa and let them tested and i am told that the battery is OK.

It has been more than 3 weeks now with radio fuses are removed and i didnt have any dead battery anymore so problem is most probably related with my radio

 

One More Update and thanks for the extended warranty, they replaced my KESSY unit today, i will go and grap the car at 6:30pm PST
I guess now i need to press the brake to crank the engine

 

I just got my Treg and everything is as expected. I need to press brake to start the engine. Driver door opens automatically when i grap the handle but for all the other doors, i need to pull one time to open it. Is it something expected?

 

Battery Drain Issues

Hi Burton123,

I am also experiencing the same problem, with a few others. Where is the fuse for the radio located so I can try this too.

Thank you,
Tina
2004 V8
Shelton, WA

 

Hi Burton123,

I am also experiencing the same problem, with a few others. Where is the fuse for the radio located so I can try this too.

Thank you,
Tina
2004 V8
Shelton, WA

it is in the passenger side fusebox. I canr remember which one it is, but it was written in the manual, i took 2 of the fuses, one of them is for the readio, the other one is for the digital amp

 

Hi Burton123,

Just to let you know that I had this same problem in the past thinking it was the battery. Replaced it twice and on the third time, it was obvious that it wasn't the problem. i too have a '04 Treg with very low mileage. I had taken to dealer for testing several times. I have extended warranty with Fidelity as well. The problem? It was the ground cable. Apparently, there was a recall sometime ago for '04s concerning these defective cables that was draining the battery. It's a $200 part plus labor that I did not have to pay, but I had a deductible though. Since then, I have no problem. Thought I share you what happened to mine.

 

Hi All... Im having the battery drain issue as well. This is the third battery in the last month and half (luckily all under warranty) that I replaced. Now, I have not checked the grounds yet I'll move onto that next but I do have an after market RNS510 replica chinese unit. I actually got this about a year ago and had no issues with the battery drain until just recently so I don't think that is the issue.

About the defective cables, do you know the part number of the cable or can you snap a picture of it? Im wondering if that can be the problem in mine. Im hoping its not the KESSY, what would be the signs of the KESSY going out anyway?

Appreciate all your help! Thanks

 

After two days with the radio fuse out it appears that the car starts right away, feels like it has more power when turning the key. And I have not received the "Air Conditioning Off" message in the MDF. I will probably shop for an Automatic Power Off unit so it cuts off the radio power to the radio completely after 5 minutes.

Anyone had done this?

Thanks

 

Hi All,
I have another question...
If baterry dies due to a faulty radio +? KESSY and you recharge it too frequently, like 4 times a weeks for a couple of months, will it going to affect the battery life?
I mean since it discharged too many times, can we consider it as a dead battery or will it keep holding voltage on it?

ANother question, for example
after a 30 min drive, i park the car and but something from glocery store and come back after 10 min and i could see battery is dead or it could work properly. 50-50 chace after the KESSY replaced.

Is there a possiblity that the dealer removed some battery cable during the KESSY replacement and forgot to tighten it? Is there a procedure that i can check what they did? Because it was not happening before the KESSY repacement.

 

up...

 

and also can someone give an idea of the battery charging process during a regular drive?
When does alternator start charging the battery? For how long etc.
If battery get dead too many times, does it affect the battery life? The battery on my Treg is probably dead for around 100 times so will it affect that it doesnt hold the charge?

 

If it's the original battery on an 04, you're way past due for a new one. But checking the cable might not be a bad idea as well as the recall concerning the alternator to battery cable that drains the battery.

siberian

 

No No, i changed the battery last year,
My concern is my commute to work is less than 1 mile everyday.

So is there a probability that the battery is not being charged?

 

Almost certainly and expecially so if you have the lights and the heater and any other accessories on.

Try taking a longer, 5 mile route to work and the same home again and see what happens - it's nice driving the Touareg so the distance shouldn't be a problem!

 

Check that the recall on the cable was done.

siberian

 

Update on the thread, Now even though i run the car for 2 hours, the battery doesnt get charged, I removed the battery and charged it at Napa and they check the battery again and it was still good. So most probably i could have a possible alternator/ alternator cable problem.
Do you know whether when alternator start charging battery? Immidietaly or after some RPM or after some speed?
My actuator arm gets broken 2 days ago and i will be going to dealer today. Thnks to extended warrany