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Gearbox fault hdc not available.
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Grinder75
 


Member Since: 24 Apr 2018
Location: Colchester
Posts: 14

Gearbox fault hdc not available.

Hi we have a 2011 discovery 4 HSE. It has recently developed an intermittent fault. When the car is started and either drive or reverse is selected we experience a louder than normal thump in the gearbox, then either forward or reverse is engaged but a gearbox fault HDC not available message. This is sometimes coupled with the hand brake not releasing properly. This fault happens in about 1 in the very 5 starts. If you turn off the ignition, restart and wait for the full system check it seems to go back to normal. We changed the battery as it was very old. The fault is still present. I would be grateful for any help. I have a PO915 error on one of those dongles.

Any ideas where to start.

aka c
  
Post #193945324th Apr 2018 9:22 pm
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philm
 


Member Since: 02 Oct 2016
Location: Manchester
Posts: 732

England 

Do a search on the site for HDC fault, you will find all answers.

Oh and welcome.
 L633 Defender
Range Rover Velar-gone
Discovery 4 Landmark-gone
Gap IID Tool 
 
Post #193949825th Apr 2018 6:42 am
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ristomatti
 


Member Since: 12 Jul 2017
Location: Sotkamo
Posts: 16

Finland 2011 Discovery 4 3.0 TDV6 S Auto Sumatra BlackDiscovery 4

Did you get it sorted out?

I'm having the same exact problem...
 Discovery 4 3.0TDV6 MY11  
Post #195703625th Jun 2018 4:55 pm
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Houghta
 


Member Since: 05 Nov 2016
Location: Northumberland
Posts: 128

England 2015 Discovery 4 3.0 TDV6 SE Tech Auto Corris GreyDiscovery 4

I used to get an HDC fault on my Freelander 2 I had an additional earth strap connected ( I think it was connected to the alternator) and I never got the HDC fault again and the car started much better especially in the cold.
  
Post #195705025th Jun 2018 5:53 pm
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