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HDC warning then all other lamps starts flashing, Car dies.
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Jocke73
 


Member Since: 22 Feb 2011
Location: Vanersborg
Posts: 5

Sweden 2006 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3
HDC warning then all other lamps starts flashing, Car dies.

NEED HELP!!! Have something wrong with my Discovery 3 2006. Get HDC failure and then the one after the other lamp starts waring. Then the car dies, battery dead. Have changed battery then the car worked for two days. This morning the same thing happened again. Any suggestions what might be wrong????  
Post #99310923rd Oct 2012 7:50 am
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jdhx
 


Member Since: 16 May 2009
Location: Dorset/Devon border
Posts: 299

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

This is usually caused by an electrical spike often attributed o a blown bulb or faulty brake light switch. Although after turning everything off for a while it all works again. Search for HDC, for example:

http://www.disco3.co.uk/forum/post989151.h...HDC#989151 Volvo XC60 - does all that the D4 should have done
Discovery HSE MY16 (good apart from the heating), now sold
Audi TT Roadster (wow)
MGB Roadster (owned since 1992)
Discovery 3 TDV6 HSE MY08
Saab 9-5 Aero 2002 (gone but not forgotten)  
Post #99311023rd Oct 2012 7:56 am
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Jocke73
 


Member Since: 22 Feb 2011
Location: Vanersborg
Posts: 5

Sweden 2006 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

Ok. But will that really run out the battery?  
Post #99311323rd Oct 2012 8:02 am
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Dobbin
 


Member Since: 13 Dec 2010
Location: West Yorkshire
Posts: 203

England 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

I would suggest the Alternator has failed. same thing happened with mine two years ago.
Car wouldn't start a couple of times over a couple of days, HDC fault alarms etc, needed to jump start just to get home.
I replaced the battery for a brand new one and all was fine for two more days and then absolutely nothing, couldn't even unlock the central locking. Managed to get in the car and found the battery measured zero volts.
A short circuit within the alternator drained the battery dead
I managed to replace the alternator and car has been absolutely perfect since.
My car is a 2005 tdv6 hse


Dobbin Much missed 2004 D2 G4 Ltd edition
Current 2005 D3 TDV6 HSE
General Grabber AT's  
Post #99311423rd Oct 2012 8:03 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20786

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Agree with the alternator failure. Common issue, especially coming into winter My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #99314823rd Oct 2012 10:04 am
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Jocke73
 


Member Since: 22 Feb 2011
Location: Vanersborg
Posts: 5

Sweden 2006 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

Thanks for your support guys!Smile Will check the Alternator.  
Post #99316023rd Oct 2012 10:42 am
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