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  1. #1
    A4 nut's Avatar
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    Another battery problem! i think?

    Hi here is my problem, my battery goes flat in 8 hours it is a brand new battery the ampage that is being drawn is fluctuating between 1.7 and 2.6 amp/hour. ive had fitted a new central conv unit so this should not be the problem althow it is showing 28 faults on vag com. These seem to be supply voltage, single wire operation and intermittent problems my key fob wont open the car and the alarm keeps going off. pulling the 2 fuses for the conv seems to reduse the amps drawn so i think there is as short some where, but i have ripped the car to bits to to check the wiring but see no problems! The car is a 1.8t cab 2003 are there any common faults? any ideas?
    Thanks Nathan

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  3. #2
    Woorlord's Avatar
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    What is VAG-COM showing after a DTC reset? Perhaps you can post the log after a reset and drive?

    Was the Convenience Module fitted correctly - i.e. correctly coded for you car.
    If yes then your keyfob should open/close the car? A VAG-COM scan will tell you what's setting off the alarm too.

    Can't remember off hand what normal draw of current is when all calmed down - i.e. ignition off and semi-sleep mode (Hazard switch goes off after a couple of minutes upon locking), but it should be mA and not A as you indicate.

    Do you have SatNav (RNS-E) with retrofitted TV Tuner or any type of Bluetooth phone kit (Audi or otherwise), any other electrical accessory. If any are fitted incorrectly i.e. without ignition enable feed, they can quickly drain your battery - especially in this cold spell.

    Lets see the scan log!
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  4. #3
    A4 nut's Avatar
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    The car is in stock form the dtc's were read after the old ones were erased vag com tells me that the alarm is being activated by doors,roof,center consoll near enough every detector. i also have missfire problems but dont think these are related. the central conv is main dealer part fitted by me. keys were programed they did open the car but now have stopped they still show up as programed but dont work! Will have to post the dtc list as soon as i can work out how to do it. sorry my mistake it is ma and not amps.

  5. #4
    Woorlord's Avatar
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    Quote Originally Posted by A4 nut View Post
    :
    sorry my mistake it is ma and not amps.
    So are you saying that the current drain is 1.7~2.6mA/hr?
    If YES, then this is acceptable.

    With VAG-COM you can save the logs after doing a "Auto-Scan" or specific "Module Scan". Open up these text file logs and simply "cut & paste" into the respective thread response.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  6. #5
    A4 nut's Avatar
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    Hope these DTCs are some help theres a lot of them had to print and then scan as could not find where the logs were stored after saving them

    Address 46: Central Conv.
    Controller: 8HO 959 433 M
    Component: Komfortgerat T3B 5442
    Coding: 06666
    Shop #: WSC 00000 28 Faults Found:
    01330 - Central Control Module for Central Convenience (J393)
    53-10 - Supply Voltage Too Low - Intermittent
    01331 - Door Control Module: Driver Side (J386)
    49-10 - No Communications - Intermittent
    01332 - Door Control Module: Passenger Side (J387)
    49-10 - No Communications - Intermittent
    01333 - Door Control Module: Rear Left (J388)
    49-00 - No Communications
    01334 - Door Control Module: Rear Right (J398)
    49-00 - No Communications 01317 - Control Module in Instrument Cluster (J285)
    49-10 - No Communications - Intermittent 01320 - Control Module for Climatronic (J255)
    49-10 - No Communications - Intermittent 01336 - Data Bus for Comfort System
    37-10 - Faulty - Intermittent 01336 - Data Bus for Comfort System
    80-00 - Single-Wire Operation 01134 - Alarm Horn (H12)
    49-00 - No Communications
    01370 - Alarm triggered by Interior Monitoring
    35-00
    00962 - Alarm via. Tilt Sensor
    35-00
    01374 - Alarm triggered by Terminal 15
    35-00
    01371 - Alarm triggered by Door Contact Switch: Driver's Side
    35-00
    01799 - Switch for Interior Locking: Rear Middle (E286): Unlock
    27-10 - Implausible Signal - Intermittent 00955 - Key 1
    35-10 - - - Intermittent 00466 - Control Module for Steering Column Electronics (J527)
    49-10 - No Communications - Intermittent 00457 - Control Module for Network (J519)
    49-10 - No Communications - Intermittent 00830 - Convertible Top Control Module (J256)
    49-10 - No Communications - Intermittent
    01331 - Door Control Module: Driver Side (J386)
    80-00 - Single-Wire Operation
    00943 - Heated Exterior Mirror: Driver Side (Z4)
    57-10 - Electric Circuit Failure - Intermittent
    01332 - Door Control Module: Passenger Side (J387)
    80-00 - Single-Wire Operation
    00944 - Heated Exterior Mirror: Passenger Side (Z5)
    57-10 - Electric Circuit Failure - Intermittent



    Address 16: Steering wheel Controller: 8EO 953 549 F Component: Lenksaulenmodul 0308 Coding: 01011 Shop t: WSC 00672 4 Faults Found: 01334 - Door Control Module: Rear Right (J398)
    49-10 - No Communications - Intermittent 01333 - Door Control Module: Rear Left (J388)
    49-10 - No Communications - Intermittent 00474 - Control Module for Immobilizer
    49-10 - No Communications - Intermittent 00532 - Supply Voltage B+
    53-10 - Supply Voltage Too Low - Intermittent
    Address 17: Instruments
    Controller: 8HO 920 950 D
    Component: KOMBI+WEGFAHRS. RB4 D16
    Coding: 00401
    Shop #: WSC 00720
    WAUZZZ8HX4K005337 AUZ6ZOC0205499 12 Faults Found: 00668 - Supply Voltage Terminal 30
    53-10 - Supply Voltage Too Low - Intermittent 00457 - Control Module for Network (J519)
    49-10 - No Communications - Intermittent
    01330 - Central Control Module for Central Convenience (J393)
    49-10 - No Communications - Intermittent
    01331 - Door Control Module: Driver Side (J386)
    49-10 - No Communications - Intermittent
    01332 - Door Control Module: Passenger Side (J387)
    49-10 - No Communications - Intermittent 01334 - Door Control Module: Rear Right (J398)
    49-10 - No Communications - Intermittent
    01333 - Door Control Module: Rear Left (J388)
    49-10 - No Communications - Intermittent 00830 - Convertible Top Control Module (J256)
    49-10 - No Communications - Intermittent 00466 - Control Module for Steering Column Electronics (J527)
    49-10 - No Communications - Intermittent 01320 - Control Module for Climatronic (J255)
    49-10 - No Communications - Intermittent 01336 - Data Bus for Comfort System
    37-10 - Faulty - Intermittent 01336 - Data Bus for Comfort System
    80-00 - Single-Wire Operation
    01333 - Door Control Module: Rear Left (J388)
    49-10 - No Communications - Intermittent
    01333 - Door Control Module: Rear Left (J388)
    80-00 - Single-Wire Operation
    01334 - Door Control Module: Rear Right (J398)
    53-10 - Supply Voltage Too Low - Intermittent 01334 - Door Control Module: Rear Right (J398)
    49-10 - No Communications - Intermittent 01334 - Door Control Module: Rear Right (J398)
    80-00 - Single-Wire Operation
    Address 56: Radio
    Controller: 8EO 035 186 M
    Component: concert II GRO 0001
    Coding: 13001
    Shop #: WSC 00672 2 Faults Found: 00466 - Control Module for Steering Column Electronics (J527)
    49-10 - No Communications - Intermittent
    00858 - Connection: Radio ZF Output to Antenna Amplifier 29-00 - Short to Ground
    End

    Address 26: Auto Roof
    Controller: 8HO 959 255
    Component: VSG B6 CABRIO 6185
    Coding: 0000000
    Shop #: WSC 00672 10 Faults Found:
    01317 - Control Module in Instrument Cluster (J285) 004 - No Signal/Communication - Intermittent
    01330 - Central Control Module for Central Convenience (J393)
    004 - No Signal/Communication - Intermittent
    01331 - Door Control Module: Driver Side (J386)
    004 - No Signal/Communication - Intermittent
    01332 - Door Control Module: Passenger Side (J387)
    004 - No Signal/Communication - Intermittent 01334 - Door Control Module: Rear Right (J398)
    004 - No Signal/Communication - Intermittent
    01333 - Door Control Module: Rear Left (J388)
    004 - No Signal/Communication - Intermittent 00466 - Control Module for Steering Column Electronics (J527)
    004 - No Signal/Communication - Intermittent
    00470 - Combination comfort Databus in Single Wire
    000 - -00532 - Supply Voltage B+
    002 - Lower Limit Exceeded - Intermittent 02024 - Perform Adaptation
    005 - No or Incorrect Basic Setting / Adaptation
    Address 45: Inter. Monitor Controller: 8HO 951 178 Component: Innenraumueberw. 0411 Coding: 00001 Shop #: WSC 00000 5 Faults Found: 01350 - Alarm via Theft Warning System: Rear
    43-00 - Closed 01839 - Transceiver Module 1 for Interior Monitoring (G303)
    53-10 - Supply Voltage Too Low - Intermittent 01349 - Alarm via Theft Warning System: Front
    43-00 - Closed 01838 - Transceiver Module 2 for Interior Monitoring (G305)
    27-10 - Implausible Signal - Intermittent
    01838 - Transceiver Module 2 for Interior Monitoring (G305) 53-10 - Supply Voltage Too Low - Intermittent

  7. #6
    Woorlord's Avatar
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    Logs are stored as "txt" files in the installation directory, similar to c:\program files\Ross-Tech\VCDS\Logs. (I actually have mine installed directly on c drive, i.e. c:\Ross-Tech\VCDS\Logs)

    Assuming you have a RHD vehicle for the UK, one would assume the [46] Convenience Module coding should be 06795 and not 06666?
    (Minimum and proper coding in red and marked with * below)

    • +00001 = GB-Alarm (not USA)
    • +00002 = Confirmation Anti-Theft Warning System (Blink)*
    • +00004 = Selective Central Locking (SCL)
    • +00008 = Anti-Theft Warning System*
    • +00016 = Rear Lid Release Locking at 5 km/h
    • +00032 = Central Locking at 15 km/h (or 10 mph)
    • +00064 = Comfort Function via Remote Control (not USA)
    • +00128 = Right Hand Drive (RHD)*
    • +00256 = Avant
    • +00512 = Confirmation Close via Remote (1x Blink)*
    • +01024 = Confirmation Anti-Theft Warning Sytem Horn Activation
    • +02048 = Door-/Window Regulator Logic*
    • +04096 = Thatcham Anti-Theft Warning (not USA)*
    • +08192 = No Safe-Function
    • +16384 = Side Windows with Insulated Glass
    I am basing this on an 8E coding although yours is an 8H Cabriolet and cant find the differences on the Ross-Tech site.

    What did you base your coding on? Please check you have the correct value set.

    Are you sure the DTC's were cleared with a good supply voltage - i.e. is your battery up to full charge - there are too many "Supply Voltage Too Low" problems on various modules. Make sure battery is fully charged and all fuses in the fuse box are good.

    Do a "AutoScan" of all modules, save the log, do a DTC reset, which in turn will automatically do a fresh scan. Save the new log, then let's see the new Log.
    Last edited by Woorlord; 20th December 2009 at 20:30.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  8. #7
    1wheelonly's Avatar
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    dont think it makes much difference if its a cab but not sure, anyway mines a b6 cab so heres my code which is a stable one so try it on yours.

    Address 46: Central Conv. Labels: 8E0-959-433-MAX.LBL
    Part No: 8H0 959 433 D
    Component: Komfortgert T3B 1312
    Coding: 07851
    Shop #: WSC 00672
    Part No: 8H2959802
    Component: Trsteuer.FS BRM 0001
    Part No: 8H2959801
    Component: Trsteuer.BF BRM 0001
    Part No: 8H0959801A
    Component: Trsteuer.HL BRM 0001
    Part No: 8H0959802A
    Component: Trsteuer.HR BRM 0001
    No fault code found.
    LOTS DONE, LOTS SPENT !!!!

  9. #8
    Woorlord's Avatar
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    The important factor which both "1wheelonly" coding and my coding have in common is +00001 GB Alarm (not USA), and RHD which is +00128.
    So try 06795 in the coding as suggested before - Remember to clear the DTC's after re-coding.

    There are different modules in the doors for driver and passenger sides - maybe the RHD sorts which one is addressed correctly.
    Last edited by Woorlord; 20th December 2009 at 20:33.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  10. #9
    1wheelonly's Avatar
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    woorlord, mines rhd and im in uk ????
    LOTS DONE, LOTS SPENT !!!!

  11. #10
    Woorlord's Avatar
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    Quote Originally Posted by 1wheelonly View Post
    woorlord, mines rhd and im in uk ????
    And we are coded correctly!

    "A4 nut" is not if he has a RHD UK spec car - he needs to change his coding and add 128+1 to 6666 = 6795.
    Then we need to see what happens with the DTC's.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  12. #11
    A4 nut's Avatar
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    Hi tried both sets of coding also been on rosswiki to work the coding out again put new batterys in calculator this time LOL i come to 6795 but 7851 works and gives me doors locking above 10 mph and assume more features. Ive now deleted the DTCs and i get 4 come back 2 are for rear doors which i dont have, and 2 are for the front doors saying door control module: drivers side (j386) 49-10-no communications - intermittent. But the battery has only had a few hours charge so need to wait to see if the battery holds the charge or else im back to the original fault.

  13. #12
    1wheelonly's Avatar
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    sorry mate, my bad ! lol i thought you were thinking i was non uk lol
    LOTS DONE, LOTS SPENT !!!!

  14. #13
    1wheelonly's Avatar
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    a4 nut, if youve entered my code then you should get beep when arming/ locking up.
    are you getting this ?
    are your interior lights going out as soon as you lock up ?
    is the warning triangle going out after about 10-20 seconds.
    if your saying that its giving you errors for rear doors, just woundering if its thinking there open and not shutting down completely, causing drain.
    if you have the beep active with the indicator flash on lock and it doesnt beep then that is recognising a problem and not allowing it to go to sleep.
    does this make sense ? thats to you and woorlord.
    LOTS DONE, LOTS SPENT !!!!

  15. #14
    Woorlord's Avatar
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    Quote Originally Posted by A4 nut View Post
    Hi tried both sets of coding also been on rosswiki to work the coding out again put new batterys in calculator this time LOL i come to 6795 but 7851 works and gives me doors locking above 10 mph and assume more features. Ive now deleted the DTCs and i get 4 come back 2 are for rear doors which i dont have, and 2 are for the front doors saying door control module: drivers side (j386) 49-10-no communications - intermittent. But the battery has only had a few hours charge so need to wait to see if the battery holds the charge or else im back to the original fault.
    06795 was based on your programmed code of 06666 which was assumed to be the features nearest your target coding. 07851 will give the extra features you've worked out plus "Blip" on arm of alarm.

    Also, note from 28 faults down to 4 is progress - just need to isolate these 4.

    Show the latest "4 error" log for the Conv Module - Easier to see what exactly is reported, lets all see what the actual problems are and we may be able to relate to similar experiences.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  16. #15
    1wheelonly's Avatar
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    good point woor, how did 06666 come about, was this the coding originally of the old module, cant see it
    LOTS DONE, LOTS SPENT !!!!

  17. #16
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    Quote Originally Posted by A4 nut View Post
    i get 4 come back 2 are for rear doors which i dont have
    Have a look at channel 61 http://wiki.ross-tech.com/index.php/...Comfort_System maybe you need to tell the Comfort System you have mechanical rear windows to stop it trying to communicate with the rear door controllers that don't exist?
    2006 RS4 Avant (Phantom Black), RNS-E (2010 version inc SDS, HW 070, SW 0220) with AMI (250GB hard disk), Bluetooth + iPhone 5

  18. #17
    Woorlord's Avatar
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    Was thinking that also but was not sure if the rear quarter light windows behind the doors are powered via a controller and how they operate?
    Channel 61 provides info on manual/electric winders for rear.
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

  19. #18
    1wheelonly's Avatar
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    rear quater windows are electric and do a certain cycle when roof is operated so im guessing that they are controlled from module/controller
    LOTS DONE, LOTS SPENT !!!!

  20. #19
    A4 nut's Avatar
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    Hi, Thanks for your input so far been very useful & think the two codes are both fine & work well.
    The 06666 code came from an internet 'ask any question we have an expert site' (not much of an expert) Don't really think that my problem is coding but I'm going back to the original problem of the battery going flat within 8 hours. I went to the place I brought my battery from today & they checked it, it came out fine drop tested it fine, only thing left was to check the draw they confirmed my original figures of 1.7-2.6 amps/hour yes amps not ma.
    This would be the reason why the battery is going flat so fast, being as I had already ripped all the panels out of my car to get to the wiring they started unplugging & found that my glove box light was permanently on. Now they have got it down to 0.8 amps that is still too high, now for the faults I have experienced:
    Dash/clocks not illuminating
    Rear heat not coming on
    Indicators slow operation
    Windscreen wipers not working
    Most interior electrics not working
    After 10 mins of driving these correct themselves as if the battery has been charged.
    After I have deleted all fault codes if I start the engine & keep it running at around 2000rpm I get no fault codes so it makes me think all central conv faults are related to my battery problem?
    I have been told that I have to unplug every module & switch until I can get the amps down to 0.3ish to find out what is the offending item.
    The only common fault I have had throughout is the central locking being sporadic & the warning triangle illuminated but if the central locking works the triangle does go out otherwise it is permanently on. Are there any ideas of what to unplug & am I going about this problem the right way by trying to solve my battery problem before sorting out any central conv issues?
    Thanks to everyone so far for their input

  21. #20
    Woorlord's Avatar
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    Quote Originally Posted by A4 nut View Post
    :
    I have been told that I have to unplug every module & switch until I can get the amps down to 0.3ish to find out what is the offending item.
    :
    I would try unplugging the following modules and measure the current draw from the battery before and after removal. Try the easiest one first followed by the others:

    1.) Unplug cables to doors on A-pillar, driver then passenger. (undo rubber boot and then release plug there is a small release lug on the back of the connector - these connectors are packed with a water repellant grease might be worth checking.)
    2.) Power Control Module - under steering wheel to right under fuse box. Flat module, plugs underneath unit. This deals with all the lights and windscreen wipers, dash illumination, etc.
    3.) Convenience Module - remove it completely. (responsible for Alarm / Elec. windows / Elec. Mirrors / Footwell lights / central locking.)
    4.) Unplug Radio (Double DIN?? - only to get access to A/C next!)
    5.) Unplug A/C unit (if single DIN Radio this pulls out easy!)

    See what this does to the battery current draw, before considering other modules?

    Another thought - are your floor carpets completely dry around convenience module - no water leaks though your pollen filter / air intake making it damp down there or around the a-pillar connection points????
    2001 A4 Saloon 3.0 Quattro Sport Tiptronic - Platinum Leather/Heated Front Seats/BOSE/DIS/Cruise Control
    Retrofits:GmBH Bumpers, F&R Ambient LEDS, OEM Valeo Xenons (D2S) & Headlight Washers, Auto-dipping RVM, Footwell Lights, Vent Control illumination, ISO-Fix, RNS-E & OEM Bluetooth + VIMhack + Video i-pod & Aux inputs, Rear PDC, Powerflow 100mm Tips, Reversing Camera
    2012 A4 Saloon 2.0 TDIe Technik (163ps)
    Diagnostics:VCDS HEX+USB+CAN Cable

 

 

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