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Author Topic: Battery drain  (Read 4808 times)

Offline simonp

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Battery drain
« on: October 24, 2010, 09:12:02 pm »
I'm slowly becoming convinced my battery is being drained by the RCD510 I've fitted. Is there a simple fix I can implement i.e pulling a fuse overnight, until I can sort it properly?
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Offline Teutonic_Tamer

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Re: Battery drain
« Reply #1 on: October 25, 2010, 03:03:41 pm »
Disable your TIM settings in your RNS.

Also, what spec is your battery?  Early GTIs had a 72Ah battery, which had a CCA of 640 amps.  From 2007 model year, the cheapskates at VWAG fitted a lower spec battery of 70Ah with a 570A CCA - and these latter ones caused numerous issues with flat batts.
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Sean - Independant Automotive Engineering Technician (ret'd)
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Offline Hedge

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Re: Battery drain
« Reply #2 on: October 25, 2010, 03:24:58 pm »
According to Simons post he's fitted a RCD510 and he drives an R32 not a GTI.  :confused:
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Offline simonp

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Re: Battery drain
« Reply #3 on: October 25, 2010, 04:37:40 pm »
Ian, you might be able to put my mind at rest. I'm not getting any electrical issues as such, but the car seems to crank over for longer when starting the engine. Could it merely be the colder weather or are you not experiencing this? If yours is doing the same then it might just be a chilly weather thing.
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Offline Hedge

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Re: Battery drain
« Reply #4 on: October 25, 2010, 05:11:32 pm »
I will make a note tomorrow when I start from cold. I can't think of anything obvious though.

I also didn't think the RCD 510 caused battery drain issues only the RNS 510 above a certain firmware level and only on certain CAN gateway revisions.
Anything on R32OC?
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Offline Teutonic_Tamer

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Re: Battery drain
« Reply #5 on: October 25, 2010, 05:28:01 pm »
Quote from: Hedge on October 25, 2010, 03:24:58 pm
According to Simons post he's fitted a RCD510 and he drives an R32 not a GTI.  :confused:
OK smart ar$e!  But the issue of VW 'downsizing' batteries is still valid! :booty:
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Sean - Independant Automotive Engineering Technician (ret'd)
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Offline Hedge

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Re: Battery drain
« Reply #6 on: October 25, 2010, 05:40:41 pm »
Quote from: Teutonic_Tamer on October 25, 2010, 05:28:01 pm
Quote from: Hedge on October 25, 2010, 03:24:58 pm
According to Simons post he's fitted a RCD510 and he drives an R32 not a GTI.  :confused:
OK smart ar$e!  But the issue of VW 'downsizing' batteries is still valid! :booty:

Not being smart, just stating facts.

If you have a problem with that take it up with the management or come and see me in person.   :evilgrin:
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Offline vRS Carl

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Re: Battery drain
« Reply #7 on: October 25, 2010, 05:43:00 pm »
I have heard that the RCD510 "can" cause battery drain issue but again is firmware dependent.(no idea which firmware revisions cause the problems) However as long as your CAN-Gateway is above a K revision then you should be fine.

By the sounds of what you describe I would suggest it may be the cold weather (although Ian should be able to give a more definitive answer being an R32 owner).

When you say it cranks for longer is it a slow crank as if it is struggling or is it normal but taking longer?
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Offline vRS Carl

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Re: Battery drain
« Reply #8 on: October 25, 2010, 05:44:54 pm »
Quote from: Hedge on October 25, 2010, 05:40:41 pm
Not being smart, just stating facts.

If you have a problem with that take it up with the management or come and see me in person.   :evilgrin:

In the words of Harry Hill - FIIIIIGHT :laugh: :party: :popcornsoda: :evilgrin:
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Offline simonp

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Re: Battery drain
« Reply #9 on: October 25, 2010, 09:04:40 pm »
When I got the car in August, it just vroomed into life immediately, but now it's 5 or 6 of whatever that noise a starting car makes before it happens now. It was better today after work, not as bad as this morning when it was -2. Starting to think it might just be the cold, but I do have an error showing on VCDS regarding the CAN gateway and the radio.

Address 19: CAN Gateway        Labels: 1K0-907-530.lbl
   Part No SW: 1K0 907 530 K    HW: 1K0 907 951
   Component: J533__Gateway   H04 0021  
   Revision:   H04 02    Serial number: 090207F1000553
   Coding: FD3F034007000003
   Shop #: WSC 01279 785 00200
   VCID: 2F694CE6C76F

1 Fault Found:
01305 - Databus for Infotainment
            004 - No Signal/Communication - Intermittent
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 1
                    Fault Frequency: 7
                    Reset counter: 54
                    Mileage: 43740 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 13:12:26
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Offline Hedge

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Re: Battery drain
« Reply #10 on: October 25, 2010, 09:33:23 pm »
What KM's are you on now Simon? That fault might just be from when you changed to the RCD 510. Clear it and see if it comes back. Not sure if it needs any form of coding. Look in 56 - Radio and see what options there are.

Oh and you have a K revision gateway by the way.
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Offline vRS Carl

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Re: Battery drain
« Reply #11 on: October 25, 2010, 09:48:32 pm »
Was just going to point out it was a K revision.

As Ian says that fault code is probably from the install.
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Offline simonp

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Re: Battery drain
« Reply #12 on: October 25, 2010, 09:49:21 pm »
I don't have a VCDS cable yet, still waiting for NHN to get back to me. dajonic logged my car at JKM for me last week and copied it onto my SD card. I have an AD revision gateway now, which I'm hoping will clear the error for good! (is there a fingers crossed smiley?)
« Last Edit: October 25, 2010, 09:56:03 pm by simonp »
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Offline simonp

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Re: Battery drain
« Reply #13 on: October 25, 2010, 09:55:43 pm »
Looking further down the list, there are other faults showing to do with the speaker test. I guess this is because the gateway and radio weren't getting on?
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Offline simonp

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Re: Battery drain
« Reply #14 on: November 03, 2010, 12:38:36 pm »
Dammit! Just got my VCDS cable through today and have rescanned the car. No faults!

I spent 80 squid on a new gateway I don't need, by the looks of it! :ashamed: Oh well, wasn't especially looking forward to fitting it!

Anyone need one?
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