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Getting the hump
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Member Since: 12 Aug 2020
Location: Essex
Posts: 32

England 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Getting the hump

Ok. D3 55 129k hse. Truck key fobs working fine until Monday then decided to play dead.

So far I have done the green/white wire splice twice
Hard reset the truck
Reset from gap iid
Checked voltage to rf module in roof which was ok 12.7v
Ordered new blank key with pcb and battery, reprogrammed that via gap tool. It starts the car but doesn’t lock/unlock
Checked both fuses which were ok (43-49)
Fuse board seems ok


Ideas????
 D3 work in progress  
Post #22560598th Oct 2021 5:58 pm
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jenseneverest
 


Member Since: 12 Jun 2017
Location: somewhere
Posts: 758

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Manual Zambezi SilverDiscovery 3

dose the lock / unlock button on the dash work ?
  
Post #22561018th Oct 2021 11:47 pm
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Hmb
 


Member Since: 12 Aug 2020
Location: Essex
Posts: 32

England 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Yep the dash lock/unlock button works fine. Auto locks once your driving as normal.
 D3 work in progress  
Post #22561099th Oct 2021 6:58 am
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Dillon
 


Member Since: 05 Jan 2018
Location: Brighton
Posts: 103

United Kingdom 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Well you may have voltage to rf module but is it working??

Dillon
  
Post #22561659th Oct 2021 1:16 pm
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Hmb
 


Member Since: 12 Aug 2020
Location: Essex
Posts: 32

England 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

No idea. How to check. The keys started locking unlocking for a while this morning then stopped again
 D3 work in progress  
Post #22561689th Oct 2021 1:35 pm
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ronald.soak
 


Member Since: 29 Apr 2008
Location: London
Posts: 515

England 2005 Discovery 3 TDV6 S Manual Chawton WhiteDiscovery 3

Just an idea, but if you program the 3rd button on your new key to switch the the lights on, or something else, then if that works the RF unit is probably ok, (not 100% but most likely).
Unfortunately if the 3rd button does not work it does not confirm that the RF unit is faulty.
I guess that as you mention keys working briefly you rightly programmed new and old keys together as programming a new key alone unregisters the old.
I suspect that even an unregistered key with the right blade will start the car.

Good luck

John
  
Post #22561919th Oct 2021 4:23 pm
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Member Since: 12 Aug 2020
Location: Essex
Posts: 32

England 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Unless key is programmed to car it won’t start. I tried that.
 D3 work in progress  
Post #22561939th Oct 2021 4:36 pm
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