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HDC button no worky. yud501850
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yogi972
 


Member Since: 05 Jun 2011
Location: Kineton
Posts: 3372

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Alaska WhiteDiscovery 4
HDC button no worky. yud501850

So this may turn into a wanted post..


Can there be any other reason as to why the big yellow HDC button not to work

I’ve had the whole switch pack to bits an there is no dirt at all under the rubber contact pads

Plug,pins, wires etc look good from what I can see,
I still got air bag light on dash but I assume this can’t be linked, or can it??

On the upside
Rear abs are replaced, and gearbox was dropped a tad by Indy to donbreather pipe
Incidentally the hdc button didn’t work before he touched gearbox
  
Post #19589301st Jul 2018 8:32 pm
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2080

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

If you engage mud & ruts on the terrain response does the HDC engage then? Might help with diagnoses to know.
  
Post #19589451st Jul 2018 8:56 pm
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yogi972
 


Member Since: 05 Jun 2011
Location: Kineton
Posts: 3372

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Alaska WhiteDiscovery 4

Iirc I think it does Thumbs Up
  
Post #19589661st Jul 2018 9:28 pm
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2080

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

If when in mud & ruts, you then press the HDC button, does the green light go out, ie switch off the HDC? If it does it would prove the button, and associated wiring, is working
  
Post #19591662nd Jul 2018 1:25 pm
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yogi972
 


Member Since: 05 Jun 2011
Location: Kineton
Posts: 3372

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Alaska WhiteDiscovery 4

Right then,

I’ve had a play about in the field at work (any excuse)
Green hdc light comes on with the terrain knob

And hdc kicks in when should so working fine

Button will not turn it off though

I’m going to ‘borrow’ the switch pack out of my folks d3


But either way, I think I’m going to leave as is as if I ever need hdc
The knob will activate it,
Thumbs Up
  
Post #19592352nd Jul 2018 4:09 pm
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2080

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

I have required to switch HDC off when in Mud & ruts, nearly put me in a hedge when it came in at , let us say, an inopportune moment. partly my fault for not realising it was engaged.
  
Post #19592502nd Jul 2018 4:32 pm
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yogi972
 


Member Since: 05 Jun 2011
Location: Kineton
Posts: 3372

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Alaska WhiteDiscovery 4

Fair point

Will see what switch pack swap over reveals
  
Post #19592552nd Jul 2018 4:48 pm
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yogi972
 


Member Since: 05 Jun 2011
Location: Kineton
Posts: 3372

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Alaska WhiteDiscovery 4

Right then

Just swapped switch pack out of my dads D3


And switch still not working (but does in his)


So initial checks on wiring to switch pack look fine

Are there any other key areas I could be checking ?
(Still not fixed air bag light )
  
Post #196336514th Jul 2018 3:08 pm
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Map503
 


Member Since: 26 Nov 2011
Location: Banbury
Posts: 173

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4
Low range light on

Hi,

My low range light is on the dash (green) and the range selector has low range illuminated although the car doesn’t feel like it’s in low range.

Any advice please?

Mark
 Now gone - D3 Zambezi silver. Smoked / limo windows, various LEDs, DVD in headrest screens. Side steps, GG AT's, software and Bluetooth upgrades by Bodsy.  
Post #196411316th Jul 2018 6:16 pm
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