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Adaptive Cruise Control 2016 Discovery 4
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RATA1
 


Member Since: 27 Feb 2020
Location: Somerset
Posts: 353

United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

hgrimmett wrote:
hgrimmett wrote:
I can't be bothered to take the front bumper off in this weather Smile

There are two harnesses listed for the steering wheel - one has an extra plug which I'm assuming is needed for the distance control switches. The harness with the extra plug is LR051624, I'm assuming that I have the 866A harness.
]


I've just watched the powerfuluk video on youtube for fitting paddles. The switchpack for dumb CC only has one black plug so I think that 866B IS required for ACC after all and the harness does therefore need updating.


OK - I had (and currently still have Sad) dumb CC but have both the 10 and the 4 way cable/connectors so when I fitted my new switch pack it was same as the old one.
I have heated wheel (but that is the other side) and flappy paddles so maybe there is the difference and why the additional 4 way is required. It just uses a resistive ladder I believe.
From the electrical diagram I looked at it just showed the vol +/- OK, set, res cruise with ACC etc. on the 10 way. So the additional 4 way may not be required if you don't have paddles?
 In today's world, if you contribute something, you don't contribute enough. If you contribute nothing, you receive everything.



2014 Discovery XXV
1961 Series 2 
 
Post #21913954th Dec 2020 1:15 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18563

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Retrofit Connector kit of parts on its way to RATA1 along with the cable Mr. Green

 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #21914044th Dec 2020 1:35 pm
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RATA1
 


Member Since: 27 Feb 2020
Location: Somerset
Posts: 353

United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

Thumbs Up
 In today's world, if you contribute something, you don't contribute enough. If you contribute nothing, you receive everything.



2014 Discovery XXV
1961 Series 2 
 
Post #21914074th Dec 2020 1:40 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

Email to Pat @ GAP:

I have found your advice on CCF updates but I'm interested in your experience with different JLR radar units?

Reply:

https://www.gap-diagnostic.com/faq

Hardware wise, Jag unit will work if flashed at 25 GBP. Stay with your vehicle platform year range is however safer.
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Post #21914384th Dec 2020 3:30 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

I think I've screwed up on my switch pack - LR022117 - it's from a 2010-2013 RRS but I now read that switchpacks on earlier cars don't work with later ones (mine's an MY15). Does anyone know?
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D4 '15 (64) Se Tech Indus Silver
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Tesla Model 3 LR (70) (gone)
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Post #21915184th Dec 2020 7:23 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
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England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

LT wrote:
On my 2017 FFRR there are three distance settings for the front of the vehicle to the rear of the vehicle i front..............

The system will always default back to ACC and the longest distance.
........ CC.


What are these distances relevant to?- car lengths, meters, speed.
Has anyone tried using ACC without the switches? - if the system defaults to the greatest distance will it do so without the switch pack?
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #21915194th Dec 2020 7:23 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

They're arbitary - not obviously linked to meters or speeds although they do change with increasing speed. each step increases in distance with speed...
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Post #21915214th Dec 2020 7:26 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
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England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

hgrimmett wrote:
I think I've screwed up on my switch pack - LR022117 - it's from a 2010-2013 RRS but I now read that switchpacks on earlier cars don't work with later ones (mine's an MY15). Does anyone know?


This may explain the situation with the cables, ISTR peeps had problems with this when fitting heated wheels.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #21915254th Dec 2020 7:36 pm
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grzesiul
 


Member Since: 11 May 2008
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Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

hgrimmett wrote:
I think I've screwed up on my switch pack - LR022117 - it's from a 2010-2013 RRS but I now read that switchpacks on earlier cars don't work with later ones (mine's an MY15). Does anyone know?

isn't that switch pack latest anyways since new body was introduced in 2013? with completely different steering wheel?
G
 

Last edited by grzesiul on 4th Dec 2020 7:51 pm. Edited 1 time in total 
Post #21915274th Dec 2020 7:41 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

isn't that switch pack latest anyways since new body was introduced in 2013? with completely differetne steering wheel?
G

I don't think the wheel for the D4 changed from 2010-2016 did it? But I picked up a comment that there were canbus changes between pre and post facelift and so you have to be careful to use the switch pack from the right years... is that right?
 -------------------------------------------------------------------
D4 '15 (64) Se Tech Indus Silver
Tesla Model Y LR (22)
Audi TT Roadster 225 (52)
Tesla Model 3 LR (70) (gone)
Porsche Boxster '96 2.5 5spd project (P)
Mini R52 S (54)
BMW 330e eDrive MSport '16 (gone)
D3 '07 (56) XS TDV6 Buckingham Blue (gone) 
 
Post #21915294th Dec 2020 7:46 pm
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grzesiul
 


Member Since: 11 May 2008
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Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

i found this site when started reading on this subject on this forum https://www.discovery-parts.de/en/acc-adap...scovery-4/
they mention to use part number you purchased as well as this one which comes up as non ACC enabled one : https://parts.landrovertreasurecoast.com/o...h-lr030358 which is weird
can you share that comment you referring to please?
G
  
Post #21915304th Dec 2020 7:50 pm
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 6405

Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

on some online catalog I see four choices of the part:
14K147B SWITCH NOBLE, LH WITH ADAPTIVE SPEED CONTROL
(V)AA000001- -(V)AA245694 1

14K147B SWITCH NOBLE, LH WITH ADAPTIVE SPEED CONTROL
(V)AA245695- -(V)BA703599 1

14K147B SWITCH WHEN USED TO REPLACE EARLIER LEVEL, MUST BE FITTED IN PAIRS, LH WITH ADAPTIVE SPEED CONTROL
(V)BA703600- -(V)DA814631 1

14K147B SWITCH WHEN USED TO REPLACE EARLIER LEVEL, MUST BE FITTED IN PAIRS, LH WITH ADAPTIVE SPEED CONTROL
(V)DA814632-

for different vin ranges, might be the case?
G
  
Post #21915344th Dec 2020 7:55 pm
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Dondiddy
 


Member Since: 26 Dec 2019
Location: Hamilton
Posts: 309

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Lux Auto Yulong WhiteDiscovery 4

I do not think that the switchpack you have bought will work. When getting the bits together to do mine I picked up a Range Rover Sport steering wheel from a 2010 car and tried the switchpack in mine. The switches did not light up when the sidelights were switched on and the cruise (normal) did not work with a cruise not available message. I believe that due to canbus changes in 2013 the earlier switchpacks will not work.You need LR062416 for colour keyed wheel or LR062417 for gloss black which will work with a later D4
If you have a later D4 I would avoid if possible using the Range Rover Sport switchpacks as they are very Vin specific and if can be almost impossible to try and work out which ones will work with your car. Also if you stick with the D4 switches you only need to buy a single switchpack. There is no need to buy both sides.
 

Last edited by Dondiddy on 4th Dec 2020 8:04 pm. Edited 1 time in total 
Post #21915364th Dec 2020 7:58 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

grzesiul wrote:
i found this site when started reading on this subject on this forum https://www.discovery-parts.de/en/acc-adap...scovery-4/
they mention to use part number you purchased as well as this one which comes up as non ACC enabled one : https://parts.landrovertreasurecoast.com/o...h-lr030358 which is weird
can you share that comment you referring to please?
G


This thread https://disco3.co.uk/forum/retrofitting-fl...p;start=15
 -------------------------------------------------------------------
D4 '15 (64) Se Tech Indus Silver
Tesla Model Y LR (22)
Audi TT Roadster 225 (52)
Tesla Model 3 LR (70) (gone)
Porsche Boxster '96 2.5 5spd project (P)
Mini R52 S (54)
BMW 330e eDrive MSport '16 (gone)
D3 '07 (56) XS TDV6 Buckingham Blue (gone) 
 
Post #21915384th Dec 2020 8:02 pm
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hgrimmett
 


Member Since: 11 Oct 2009
Location: Bledlow
Posts: 901

2015 Discovery 4 3.0 SDV6 SE Tech Auto Indus SilverDiscovery 4

grzesiul wrote:
on some online catalog I see four choices of the part:
14K147B SWITCH NOBLE, LH WITH ADAPTIVE SPEED CONTROL
(V)AA000001- -(V)AA245694 1

14K147B SWITCH NOBLE, LH WITH ADAPTIVE SPEED CONTROL
(V)AA245695- -(V)BA703599 1

14K147B SWITCH WHEN USED TO REPLACE EARLIER LEVEL, MUST BE FITTED IN PAIRS, LH WITH ADAPTIVE SPEED CONTROL
(V)BA703600- -(V)DA814631 1

14K147B SWITCH WHEN USED TO REPLACE EARLIER LEVEL, MUST BE FITTED IN PAIRS, LH WITH ADAPTIVE SPEED CONTROL
(V)DA814632-

for different vin ranges, might be the case?
G


YEs that's really useful, thanks. "Fitted in pairs" Big Cry
 -------------------------------------------------------------------
D4 '15 (64) Se Tech Indus Silver
Tesla Model Y LR (22)
Audi TT Roadster 225 (52)
Tesla Model 3 LR (70) (gone)
Porsche Boxster '96 2.5 5spd project (P)
Mini R52 S (54)
BMW 330e eDrive MSport '16 (gone)
D3 '07 (56) XS TDV6 Buckingham Blue (gone) 
 
Post #21915614th Dec 2020 8:55 pm
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