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Reversing when towing
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kirkyworld
 


Member Since: 01 Mar 2016
Location: Northampton
Posts: 566

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4
Reversing when towing

I expected that whilst towing (tow sockets engaged) when you select reverse the audible warning for parking sensors would not sound every time (the case on earlier D4's) but mine does.
Very annoying whilst maneuvering and I need to turn it off manually every time.
Should it behave in this manner? What does yours do?
  
Post #16382779th Apr 2016 7:18 pm
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Fitzy73
 


Member Since: 09 Feb 2014
Location: Truro
Posts: 2407

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Causeway GreyDiscovery 4

When I got my used D4 a couple of years ago the dealer fitted the electrics etc for me and I had the same problem.

After returning it 5 of 6 times to the dealer, the rear sensors now no longer sound when a trailer is attached, so you should be able to get it sorted out.
 Andy

 
 
Post #16382929th Apr 2016 7:46 pm
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RAW
 


Member Since: 14 Oct 2008
Location: Devon
Posts: 936

England 2015 Discovery 4 3.0 SDV6 Commercial XS Auto Indus SilverDiscovery 4

Rear sensors should deactivate when lighting plug is inserted, it may not have been switched on at dealers when towing electrics were installed ( we're the electrics fitted by dealer?).
Also recently I have been moving some fast tow generators and these have LED lights, have found that all the lights were working but the reversing sensors stayed active and the trailer indicator lights did not work on the dash. Thumbs Up
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Post #16383159th Apr 2016 8:26 pm
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kirkyworld
 


Member Since: 01 Mar 2016
Location: Northampton
Posts: 566

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4

Yes the towing electrics were fitted by the dealer. I'll give them a buzz.
  
Post #16383279th Apr 2016 8:41 pm
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Fitzy73
 


Member Since: 09 Feb 2014
Location: Truro
Posts: 2407

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Causeway GreyDiscovery 4

My dealer had to keep referring to Land Rovers technical department to get it sorted, as I guess fitting towing electrics to a Land Rover was unusual Rolling Eyes

Interestingly, I now have an IID tool and when I look at the settings they don't match the electrics fitted, but they do at least work properly now.
 Andy

 
 
Post #16383399th Apr 2016 8:58 pm
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RAW
 


Member Since: 14 Oct 2008
Location: Devon
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England 2015 Discovery 4 3.0 SDV6 Commercial XS Auto Indus SilverDiscovery 4

Mine was new MY15 and had towing fitted by main dealer and it still had to go back in for them to turn on the towing electrics.
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Post #16383489th Apr 2016 9:20 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 3169

England 
Re: Reversing when towing

kirkyworld wrote:
I expected that whilst towing (tow sockets engaged) when you select reverse the audible warning for parking sensors would not sound every time (the case on earlier D4's) but mine does.
Very annoying whilst maneuvering and I need to turn it off manually every time.
Should it behave in this manner? What does yours do?


What are you towing, has it LED lights Question

I know if I start the engine with the drivers door open and select reverse when towing the Rear Sensors sound off.
 

Last edited by Washwipe on 9th Apr 2016 9:40 pm. Edited 1 time in total 
Post #16383689th Apr 2016 9:36 pm
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discoteca
 


Member Since: 08 Mar 2010
Location: Warwickshire
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United Kingdom 2016 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

As said, either the dealer hasn't enabled the electrics properly or what you are towing has LED lights and therefore there isn't enough resistance for the car to know that the trailer is connected.
  
Post #16383719th Apr 2016 9:40 pm
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richuk
 


Member Since: 27 May 2012
Location: Dorset
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United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

Is it because LED lights don't offer enough resistance to register that a trailer board is plugged in?

Edit: Dammit - thats twice tonight. Must learn to type faster
 Rich

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Last edited by richuk on 9th Apr 2016 9:42 pm. Edited 1 time in total 
Post #16383729th Apr 2016 9:40 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 3169

England 

Thumbs Up
  
Post #16383749th Apr 2016 9:41 pm
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Russell
 


Member Since: 24 Aug 2007
Location: Kent
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If its a Swift caravan you can get a box to plug in to fool the car into thinking the caravan has normal filiment lights.
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Post #16383939th Apr 2016 10:10 pm
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kirkyworld
 


Member Since: 01 Mar 2016
Location: Northampton
Posts: 566

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4

It is an old Bailey Senator 1999 so no leds. I have however replaced the vehicle reverse bulbs with leds from Advanced factors, is that likely to cause issue?
  
Post #16384119th Apr 2016 10:53 pm
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discoteca
 


Member Since: 08 Mar 2010
Location: Warwickshire
Posts: 1477

United Kingdom 2016 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

No, it's predominately LED indicators on the trailer that cause the issue. In which case your dealer has Censored up by the sounds of it
  
Post #16384129th Apr 2016 10:56 pm
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RAW
 


Member Since: 14 Oct 2008
Location: Devon
Posts: 936

England 2015 Discovery 4 3.0 SDV6 Commercial XS Auto Indus SilverDiscovery 4

The easiest way to see if it's been activated is select reverse gear and touch the screen, you should get the option to zoom in on the hitch. This is taking it for granted you have reverse camera.
My reversing camera was working but none of the Tow assist or hitch guidance was available, 20min in dealers and they said it had been overlooked on PDI quick activation and all was well. Thumbs Up
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MY15 D4 silver Commercial
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MY11 D4 Silver Commercial(Gone)
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John Deere Gator HPX
Nifty Lift HR12
Kubota KX41-2 
 
Post #16384159th Apr 2016 11:08 pm
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kirkyworld
 


Member Since: 01 Mar 2016
Location: Northampton
Posts: 566

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4

That sounds like the solution, I do not think the camera zooms. I think all the 16MY have reverse cameras.
  
Post #16384219th Apr 2016 11:19 pm
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