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HDC fault
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lengie10
 


Member Since: 28 Jun 2017
Location: London
Posts: 75

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3
HDC fault

Morning all.

Lights on the dash like a Christmas tree (abs, stability light....etc....)....warning on dash is:

HDC fault - special programmes disabled


Run the iid tool and it comes back with invalid communication from rear diff control module (rear) and rear diff clutch actuator stuck.

Control module need changing? Read diff clutch need swapping?

Replaced bulbs on rear as ready this can cause a headache.
  
Post #192746718th Mar 2018 8:42 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

If its only briefly after start up its a sign of a low battery. (charge it and see if it goes away for a bit)


Otherwise: rear diff clutch actuator stuck
  
Post #192752018th Mar 2018 10:42 am
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lengie10
 


Member Since: 28 Jun 2017
Location: London
Posts: 75

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Thanks Pete

Lights and warning on all the time.

Is the actuator easy to free or is this something that needs replacing?
  
Post #192753518th Mar 2018 11:12 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

sorry I don't know.

I would imagine it doesn't get used alot
  
Post #192756618th Mar 2018 12:09 pm
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