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6 Speed TCM Part Number
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Member Since: 16 Jan 2020
Location: East/West Sussex Coast Borders
Posts: 774

United Kingdom 2011 Discovery 4 3.0 SDV6 Commercial Auto Sumatra BlackDiscovery 4
6 Speed TCM Part Number

Having an issue which we believe is the TCM as fitted to the 6 speed gearbox on an SDV6 (2011).

Does anyone know a part number for it, and can you confirm it is just a simple swop out job, ie. it's bolted on the outside of the gearbox.

Many thanks in advance.

Dave
 2011 Discovery 4 Commercial SDV6
2010 RRS TDV8

Previous LR Product
1980 OBLIC 4.0ltr Range Rover 
 
Post #22860861st Apr 2022 6:17 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20032

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

TCM is the mechatronic unit inside the gearbox sump...
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TDV8 Retrofit Build Thread 
 
Post #22860871st Apr 2022 6:27 pm
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Member Since: 16 Jan 2020
Location: East/West Sussex Coast Borders
Posts: 774

United Kingdom 2011 Discovery 4 3.0 SDV6 Commercial Auto Sumatra BlackDiscovery 4

Was hoping you wouldn't say that Mike, so no external electronics then.

Dave
 2011 Discovery 4 Commercial SDV6
2010 RRS TDV8

Previous LR Product
1980 OBLIC 4.0ltr Range Rover 
 
Post #22860891st Apr 2022 6:40 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20032

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Just the wiring down to the gearbox. All controls are internal
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TDV8 Retrofit Build Thread 
 
Post #22860901st Apr 2022 6:49 pm
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Member Since: 16 Jan 2020
Location: East/West Sussex Coast Borders
Posts: 774

United Kingdom 2011 Discovery 4 3.0 SDV6 Commercial Auto Sumatra BlackDiscovery 4

Thanks very much, greatly appreciated.

Dave
 2011 Discovery 4 Commercial SDV6
2010 RRS TDV8

Previous LR Product
1980 OBLIC 4.0ltr Range Rover 
 
Post #22860931st Apr 2022 6:58 pm
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TigerRecovery
 


Member Since: 31 May 2017
Location: Long Stratton, Norwich, Norfolk
Posts: 891

Wales 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Also they are calibrated to the valve body so while you can remove the brains, you will need to go through a lot of work to get it to function properly again.
 1972 Range Rover Classic 2 door V8
2013 Land Rover Discovery 4 HSE - SCRAPPED
2016 Land Rover Discovery 4 Landmark
2022 Volvo XC40 T5 PHEV 282HP FWD 3 cylinder! 
 
Post #22860961st Apr 2022 7:33 pm
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Member Since: 16 Jan 2020
Location: East/West Sussex Coast Borders
Posts: 774

United Kingdom 2011 Discovery 4 3.0 SDV6 Commercial Auto Sumatra BlackDiscovery 4

I've been told that getting a replacement complete unit is the way to go (valves & electrics), off to see 2 'experts' next week to see if they have any ideas and hopefully they will have the same solution.

Thanks to Mike and Tiger for swift replies, will update when I have an answer.

Dave
 2011 Discovery 4 Commercial SDV6
2010 RRS TDV8

Previous LR Product
1980 OBLIC 4.0ltr Range Rover 
 
Post #22860981st Apr 2022 8:03 pm
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