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HDC Fault- system Not Available!
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Mr Loon
 


Member Since: 28 Mar 2011
Location: Sunny Southampton
Posts: 16

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3
HDC Fault- system Not Available!

Can anyone please help?
After having my Disco 3 Valeted & the engine bay jet washed, I now have the following faults.....

1. HDC FAULT SYSTEM NOT AVAILABLE
2. SYSTEM FAULT SPECIAL PROGRAMS NOT AVAILABLE
3. SPECIAL PROGRAMS OFF

I'm sure there all related to the steam clean, but can anyone tell me what it may be or is the management system now screwed?

Any help would be much apreciated Very Happy

Cheers,

Wayne.
  
Post #96880223rd Aug 2012 4:24 pm
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BrianT
 


Member Since: 17 Nov 2009
Location: Ayrshire
Posts: 2069

Scotland 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Santorini BlackDiscovery 4

Sounds more like either the battery or brake light switch or brakelight bulbs,but as you have just had the engine bay jet washed i would start with the battery box.

BrianT Thumbs Up
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Post #96880423rd Aug 2012 4:32 pm
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DerbyshireDisco
 


Member Since: 12 Mar 2012
Location: Derbyshire
Posts: 1397

England 2013 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

I would go with the battery too.
 Displaced Yorkshireman.
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Post #96881123rd Aug 2012 4:59 pm
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Mr Loon
 


Member Since: 28 Mar 2011
Location: Sunny Southampton
Posts: 16

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

BrianT wrote:
Sounds more like either the battery or brake light switch or brakelight bulbs,but as you have just had the engine bay jet washed i would start with the battery box.

BrianT :thumbsup:


Is It Something that may dry out over time do you think?
  
Post #96881423rd Aug 2012 5:02 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20803

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Water in the transfer case ECU. Might not want to jetwash it again, or this may happen:

Click image to enlarge

Click image to enlarge


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Post #96882423rd Aug 2012 6:03 pm
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Mr Loon
 


Member Since: 28 Mar 2011
Location: Sunny Southampton
Posts: 16

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Hi Mikey,
Thanks for that...That's exactly what's happened, although nowhere near as bad as the photo!
There was water in the plug and socket but no obvious signs of corrosion.

I've taken the case of the ECU apart and there doesn't seem to be any water damage inside. Because of the water on the plug, do you know if this :censored: up the ECU due to short or will a good clean do the job?

Thanks again for your help :D

Wayne.
  
Post #96883323rd Aug 2012 6:38 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20803

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Normally, its fine once it has dried out. I have not seen one fry an ECU due to water, it has always been rotten terminals.

Good news is if it has fried the ECU, its not hugely expensive. IIRC, its around £140 + VAT, but will need programming to the car
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Post #96884723rd Aug 2012 7:19 pm
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Mr Loon
 


Member Since: 28 Mar 2011
Location: Sunny Southampton
Posts: 16

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Thanks for help Mikey......Sadly dispite my best efforts with some electrospray (to dispel the water), wet 'n'dry and a needle file its still :censored: :(

On top of the electrical faults, the suspension is stuck on low and it's in limp mode :?

Looks like I'm forced to make a trip to my local Land Rover dealership! :( :(
  
Post #96886423rd Aug 2012 8:13 pm
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Nimrod
 


Member Since: 16 May 2012
Location: Warwickshire
Posts: 71

United Kingdom 

getting the same fault, where is this ecu located..?

cheers
  
Post #10133504th Dec 2012 1:08 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20803

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Behind the battery, and behind a plastic cover Thumbs Up
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Post #10134354th Dec 2012 7:46 am
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