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Do I need a new BCU
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3
Do I need a new BCU

Car will not lock or unlock from the key fob.
Parking sensors not working.
Display reading all doors open and also tail gate open even though they are all closed.
Tail Gate will not open.
Can not adjust ride hight, I think its stuck in normal hight.
DSC red light is on in the dash
Yellow Park Brake light is on.
Both front windows are now working.

What have I checked?

Checked all connectors on CJB
Checked all fuses
Check and re-soldered all joints in wiring loom on passenger side

I have done 2 hard resets but still have the same issue.
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
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Post #138079228th Nov 2014 7:28 pm
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parrafin23
 


Member Since: 04 Dec 2011
Location: Buskeud
Posts: 681

Norway 2005 Discovery 3 TDV6 Commercial Auto Java BlackDiscovery 3

Need to read faultcodes............

Mr.P
  
Post #138085428th Nov 2014 8:53 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Done that and just the usual things like Lost connection to this and that but I think that is because of disconnecting the battery several times while re-soldering the joints in the loom after all the water filled up the footwell.

I cant read the codes from the BCU and cant clear them.
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #138085828th Nov 2014 9:02 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

dale

when you say you can't read codes is it because you can't comms with it ?
  
Post #138086328th Nov 2014 9:11 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Nanocom reads "Clear faults failed! ECU:Body Control" or "Error reading faults! ECU: Body Control"
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #138086928th Nov 2014 9:20 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6299

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

This sounds a bit like a failed flash on the BCM have you checked for water ingress on the BCM if the footwell was all wet?..

Flack Thumbs Up
  
Post #138087028th Nov 2014 9:24 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Not too sure where it is or what it looks like, so no not checked it. Floor and all the cables in the loom running under the door tread plate were under water. Sunroof drain pipe was leaking, thats been replaced and in process of drying it all out now.
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #138087628th Nov 2014 9:29 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6299

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Its behind the glove box passengers side..

Flack Thumbs Up
  
Post #138087728th Nov 2014 9:31 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Is it by the CJB?
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #138087828th Nov 2014 9:33 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Same thing.
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #138088028th Nov 2014 9:45 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

I took out the CJB to fit the pipe but it was 100% dry and so were all the connections.
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #138088128th Nov 2014 9:47 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6299

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

You need to check your connections as it sounds like you have a dodgy one on the CJB/BCM

Flack Thumbs Up
  
Post #138088528th Nov 2014 9:48 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Yesterday everything was working and then I removed the CJB to fit the drain pipe and then fitted it back again and then I noticed all the issues.

Today I removed it again just to check everything was connected correctly and nothing was loose, I'll check it again tomorrow, boy is it a pig to get to. You need long fingers, be a contortionist and a touch like a midwife.
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #138089128th Nov 2014 9:56 pm
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Barn1e
D3 Decade 


Member Since: 28 Aug 2006
Location: Mid-sussex
Posts: 2021

United Kingdom 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

therealboss wrote:
Nanocom reads "Clear faults failed! ECU:Body Control" or "Error reading faults! ECU: Body Control"

Dale, I have the same message on my Nanocom Evo where clearing fault codes. It used to clear fine but seems to get confused in the Beta version. Are you using the beta version. If so, this fault message on the Nano may be a "red herring".
 2005, TDV6 S, Auto, 190k miles, owned from new, V8 Brake Upgrade, Nancom Evo, RLD protector, BAS EGR blanking & Remap, separate ATF cooler, changing all the fluids ahead of time.  
Post #138089228th Nov 2014 9:56 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

No Barn1e, I'm not a Beta type of guy, I wait until it's out of beta before I try most things (Apart from Apple).
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #138089428th Nov 2014 9:59 pm
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