battery drain

  1. L

    RNS-E + AUX to Bluetooth adapter - battery drain problem

    Hi guys, I bought cheap AUX to Bluetooth adapter for my 2012 A3 8P3 with retrofitted RNS-E (older version with lower-res screen). Cheap Aux-to-Bluetooth adapter works great, but I’m dealing with problem that it is draining battery pretty bad because of adapter is staying always on – even when...
  2. V

    Symphony 2 battery drain (possibly) - help needed

    Hi, Today I tried to get to the bottom of an ongoing battery drain issue with my 2001 S3. With the car "thinking' it was locked, I used one of these and tested each of the fuses at the end of the dashboard and on top of the battery. The only fuse reporting any current was fuse 42...
  3. R

    Frustrating 3.2l V6 Battery Drain HELP!

    Hi Guys, Recently I went to turn over the motor in the morning as usual and central locking was a non starter, battery out of the boot and would you know it, dead as a doornail. Fully charged the battery up and put back in the car, low and behold dead after 24hrs. Realised the glove box light...
  4. R

    Current Draw draining battery

    Hi Guys, I’m having some issues with my battery draining on my 2011 A3 8P 2.0 TDI. I have measured the current draw with a multimeter in series across the negative battery terminal and it is 0.24A but when I pull out fuse ‘F12’ the current draw drops to 0.04A. F12 fuse relates to ‘diagnostic...
  5. P

    RNSE MkII - CAN causes battery drain

    I have a battery drain in my 56 plate A4 B7, Quattro, BUL, S-Line, Special Edition. I believe it had RNSE in it from factory (inc phone prep but not BT), however, when I bought the car it had a no-name media/ICE unit fitted (seller told me the original RNSE was duff & put in this substitute)...
  6. ChristianSwe

    Battery drain issue

    Hi everybody! I have an issue with my Audi S3, 8P 2008 year's model that keeps draining the battery overnight so that the car doesn't start without a jump start. I've narrowed it down to fuse 19 in the engine bay compartment that is the issue. When the fuse is in and I check the drainage it's...
  7. S

    Energy management active a4 b8

    Good afternoon everyone. I have a problem for a while now with my audi a4 b8 avant and is starting to be really annoying. It started with radio not working for more than 2 min without engine running and now I have no "coming home" lights, message that battery will charge while driving, music...
  8. T

    Battery drain

    Hi everybody, I would really need your help! I was driving last weekend out for holiday. Suddenly a battery sign turned on and after a short while everything was turned off by the ECU. I could get a new battery and everything looked fine when batt light on dash came back but only under low rpm...
  9. J

    Drain on fuse 8

    Hello all I need some help please and excuse my lack of knowledge. I have an a3 2tdi number plate ov56ajz if that's any help. Now before you start asking once you have read below I drive approx 110 miles a day mostly country roads and motor way. 2 weeks ago I had my turbo replaced which was...
  10. mitalm

    Radiator and Fan Assembly Part No. and Fitting

    Hi everyone, 2004 Audi A3 2.0TDI BKD Engine, 154k. Over the weekend the smaller fan attached to the radiator wouldn't turn off and drained my battery accordingly. I read around and found that its a common fault and is often easier to replace the whole fan assembly. So I've been looking around...
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