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Humbug



Member Since: 01 Aug 2014
Location: East Anglia
Posts: 43

United Kingdom 
ACC – "Radar blocked"

More and more regularly when using the ACC I'm getting a "radar blocked" warning and the system disengages, followed by a second, much longer note on the dash which says something along lines of "IEB system deactivated..." Everything usually re-engages within a few minutes (no need to restart ignition) and, from memory, more often happens in bad weather. Sometimes also prevents engaging system in the first place but, again, usually changes its mind after a few minutes.

Does anyone know where this radar sensor is? Always assumed it's the set of lenses under the rear-view mirror but that's swept by the wipers so shouldn't ever be "blocked".

Any ideas about whether the problem really is down to dirt or if it's more likely to be a software glitch would be very helpful.

Post #546718 Thu Jan 25 2018 12:33pm
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wilf



Member Since: 08 Nov 2012
Location: on the naughty step
Posts: 738

Think they are cameras, the radar system is below the front number plate.

I got that message once, during a monsoon type rain storm. never seen it since. MY2016 HSE D SDV6

By the age of 50 you have the face you deserve - George Orwell.

Post #546722 Thu Jan 25 2018 12:58pm
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Dave777



Member Since: 15 Feb 2015
Location: Sussex
Posts: 403

United Kingdom 

The radar is the flat black plate beneath the number plate. Check it is not blocked just in case! MY16 3.0 SDV6 Autobiography in Aleutian silver, stealth pack and toys.

Post #546727 Thu Jan 25 2018 2:55pm
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gogsy1956



Member Since: 15 Jun 2013
Location: Tyne and Wear
Posts: 364

United Kingdom 2010 Range Rover Sport TDV8 HSE Bali Blue

Had this issue the other day when driving in a snow shower, the sensor is located I the front under the grill,, didn't take much snow to cover it, once blocked forward alert and camera's no longer function 2010 RRS, TDV8
bali Blue / colour coded
side steps / flappy paddles
black perforated leather
22" overfinch
heated everything, TV,fridge ...... now with gold calipers and mud flaps !( black mud flaps that is) !!
Many years ago,,,,, 1955 series 1 landie , sometimes wish I had kept it

Post #546747 Thu Jan 25 2018 6:49pm
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Tim in Scotland



Member Since: 30 May 2005
Location: Driving along in my automobile
Posts: 15966

2013 Range Rover Sport SDV6 HSE Stornoway Grey

This has been a problem with DiscoSports and Evoques with ACC and the smart braking system and there was found to be a fault with the camera linked to the IEB system - check that it isn’t dirty but also you may have to visit a service bay for warranty work. 2018 Melting Silver Mini Countryman PHEV on order for April delivery, bye bye Land Rover after 21 years and 11 LR products..... all because you won’t give me reassurance that should my SDv6 crankshaft break because of a design fault, not MY fault, but the engine builders fault - it will be replaced for free.
2015MY Corris Grey SDv6 HSE Dynamic, but not for much longer........
Also in my garage is a 1996 TDi300 Defender 90 County HT made into a fake CSW

Post #546748 Thu Jan 25 2018 6:52pm
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syl



Member Since: 10 Mar 2016
Location: Somerset
Posts: 120

United Kingdom 

IEB is radar. AEB is camera. RRS MY17 SDV6 AB
Evoque MY17 TD4 AB

Post #546785 Thu Jan 25 2018 10:31pm
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