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RRUK
Site Supporter
Member Since: 16 Aug 2005
Location: UK
Posts: 644
  
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| External temperature reading |
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I know this topic has come up before in threads about the cold interior in D4s, but I’ve not seen anyone say if there’s a fix to this specific issue:
On the dash the external temperature reading is too high and therefore affects the climate control system wizardry.
This morning we had near freezing fog. BBC weather app and my Alexa tell me it’s 3 degrees when setting off. My car is telling me it’s 10 degrees.
So, is this a fault with the actual external thermometer probe that is sending the reading?
Has anyone replaced that sensor and where is it on the D4? (I know from previous Land Rovers it’s normally behind the front grille, on some of my L322 RRs it was attached to the back of the grill. 1998 Defender 110 TUM HS FFR Hard Top XD WOLF
2016 Discovery 4 HSE
1982 Series 3 2.25 Petrol Hard top- Oscar, as featured in Classic Land Rover Magazine for 7 months
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 6th Mar 2024 10:21 am |
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BBDisco3
Member Since: 23 Nov 2008
Location: Cheshire
Posts: 3640
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The sensor was the first thing which was changed on mine back in 2016, but it didn't fix the problem.
The fix was the software update which is mentioned somehwere in here:-
https://www.disco3.co.uk/forum/ambient-tem...-vf94.html
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| 6th Mar 2024 11:39 am |
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ruben
D3 Decade
Member Since: 26 Sep 2006
Location: ASTURIAS
Posts: 2384
 
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the problem. At least in mine, it's not so much that it works poorly, but rather that it is very slow to update, so much so that many times I arrive at my destination if the journey is not very long, with the engine cold and the ambient temperature below 5 degrees. and he is still around the 12 that were in the parking lot...and he can't even turn on the FBH...he needs much more time and It has never been possible to solve... lost in translation!
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| 6th Mar 2024 2:36 pm |
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BBDisco3
Member Since: 23 Nov 2008
Location: Cheshire
Posts: 3640
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Ruben
The external temperature display (ambient temperature display) problem related to some 2016 Discovery 4 models. The display in the car was always showing outside temperature to be around 3 to 7 degrees higher than the true outside temperature.
This was fixed with a software update.
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| 6th Mar 2024 2:46 pm |
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ruben
D3 Decade
Member Since: 26 Sep 2006
Location: ASTURIAS
Posts: 2384
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 I was talking about outside temperature as well, but I see that a different problem! lost in translation!
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| 6th Mar 2024 3:00 pm |
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RRUK
Site Supporter
Member Since: 16 Aug 2005
Location: UK
Posts: 644
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Having read through a REALLY long thread of 42 pages on this one, I can see that people have been able to flash their ECU via the IID Tool, so I've contacted GAP to ask if I can do this. 1998 Defender 110 TUM HS FFR Hard Top XD WOLF
2016 Discovery 4 HSE
1982 Series 3 2.25 Petrol Hard top- Oscar, as featured in Classic Land Rover Magazine for 7 months
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| 7th Mar 2024 10:39 am |
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RRUK
Site Supporter
Member Since: 16 Aug 2005
Location: UK
Posts: 644
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Had the ECU flash from GAP.
Applied it.
No change sadly 1998 Defender 110 TUM HS FFR Hard Top XD WOLF
2016 Discovery 4 HSE
1982 Series 3 2.25 Petrol Hard top- Oscar, as featured in Classic Land Rover Magazine for 7 months
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| 8th Mar 2024 12:57 pm |
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