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How to reset ECU or hard battery reset
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tonyhodge
 


Member Since: 21 Jul 2009
Location: Leicester
Posts: 38

United Kingdom 2006 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3
How to reset ECU or hard battery reset

Hi every body does anybody no how to reset the ECU or hard battery reset on 2005 D3? Question  
Post #8933605th Feb 2012 7:38 pm
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Pop the bonnet, take keys out, let the car go to sleep.

Disconnect the battery and short the pos and neg cables with a spanner for 10 or 20 seconds. NOT on the battery! Thumbs Up Bodsys Brake Bible

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Post #8933715th Feb 2012 7:58 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

After disconnecting please put a rubber mat or similar on top of the battery before shorting the leads. Accidentally shorting the battery with a spanner or not good for your health! Land Rover - Turning Drivers into Mechanics Since 1948

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Post #8934135th Feb 2012 9:44 pm
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IanR
 


Member Since: 28 Apr 2007
Location: Daleys Point
Posts: 99

Australia 2006 Discovery 3 TDV6 S Auto Chawton WhiteDiscovery 3

Fully detailed in 'Wiki'

Select wiki at top of page - under red DISCO3.CO.UK (Forum . Gallery . Wiki . Shop . Sponsors)

In Wiki select 'Hard Reset' under Common Topics heading 'S' TDV6, Air suspension, Terrain Response, Active rear diff, Safari Snorkel, Opposite Lock rear wheel carrier, OL drawer system, Cargo Barrier, Dual batteries with Rotronics isolator, GME 3440 UHF. Codan NGT HF, Asus UMPC running TrackRanger. Cooper LT245/70R17 STTs when off-road. Tow Ultimate off-road camper.  
Post #8934836th Feb 2012 7:15 am
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DiscDavis
 


Member Since: 29 Jan 2012
Location: Dublin
Posts: 2

Ireland 2006 Discovery 3 TDV6 Base 7 Seat Auto Vienna GreenDiscovery 3

I've had to do a reset regularly - usually the driver's window stops working. I find its enough to take off the positive cable from the battery. That puts everything to sleep.

Not sure why you would have to remove both cables and short them?

Am I doing something I shouldn't?

Simon  
Post #8937116th Feb 2012 6:44 pm
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