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Transmission Fault P2743 high fluid temp
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MarkBrown
 


Member Since: 25 Jan 2022
Location: Preston
Posts: 14

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Causeway GreyDiscovery 4
Transmission Fault P2743 high fluid temp

Day 2 of ownership and 2nd question about restricted performance. Thanks in advance for any assistance….

Two codes of concern now, one P006A00 which I’m clear about potential causes but the other I’m a little more concerned about.

From rear diff control module - P2743-00 transmission fluid temp sensor b - circuit high input. It’s showing permanent status on my obdii reader (not sure if that’s significant or not)… I looked at the live data and it showed temp above 200 degrees. The other P0702-64.

The car is under warranty so I’m expecting them to be sorted. Can any of the experts among you tell me what I should expect them to be doing to resolve the issues? Or do I throw the keys back and get my money back?

Many thanks.
 Mark

Discovery 4 HSE SDV6 
 
Post #227590330th Jan 2022 2:15 pm
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sceh
 


Member Since: 14 Sep 2011
Location: annecy
Posts: 233

France 2011 Discovery 4 3.0 TDV6 S Auto Chawton WhiteDiscovery 4

If I were you I would get your money back. This is just the start
  
Post #22767803rd Feb 2022 2:44 pm
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sceh
 


Member Since: 14 Sep 2011
Location: annecy
Posts: 233

France 2011 Discovery 4 3.0 TDV6 S Auto Chawton WhiteDiscovery 4

My response is not meant to be just flippant. Right now LR are doing everything to make and sell new cars to get their financials right and they are doing nothing else. In practice this means garages are part of this equation so even if you have a fundamentally good car, getting service appointments or spares is going to a challenge for the next few quarters or more. So, if it does break, you may be in trouble. If you can get out, do so
  
Post #22769464th Feb 2022 10:40 am
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popsdosh
 


Member Since: 09 Nov 2009
Location: cambs
Posts: 442

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

For what its worth ,I think the sensor needs replacing as it looks like it has gone open circuit as 200 degree is improbable without a cook up. Rolling with laughter
  
Post #22771605th Feb 2022 8:57 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10684

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Well if you read 200 deg first thing in the morning. Sensor fault.
And if sensor 1 gives reasonable value, it backs that up.
  
Post #22771665th Feb 2022 9:30 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20842

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Could also be a wiring fault, don't overlook the cheap + obvious issues Thumbs Up
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #22772215th Feb 2022 12:58 pm
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popsdosh
 


Member Since: 09 Nov 2009
Location: cambs
Posts: 442

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

indeed! Spend to much time changing sensors nowadays Very Happy
  
Post #22772445th Feb 2022 3:24 pm
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MarkBrown
 


Member Since: 25 Jan 2022
Location: Preston
Posts: 14

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Causeway GreyDiscovery 4

Thanks all for the replies. Should get the car back this week so I'll see what has been done.
After years of trouble free driving in Audi's and BMW's I'm strangely looking forward to getting a bit more 'involved' 😀
 Mark

Discovery 4 HSE SDV6 
 
Post #22779108th Feb 2022 4:18 pm
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MarkBrown
 


Member Since: 25 Jan 2022
Location: Preston
Posts: 14

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Causeway GreyDiscovery 4

Latest update. Just been underneath and the loom to the temp switch has come into contact with the drive shaft and worn through the red core. Soldering iron out when I’ve got a few other bits together.
 Mark

Discovery 4 HSE SDV6 
 
Post #228072325th Feb 2022 4:14 pm
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