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Low Battery and DTC B1479-73
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Green Land Rover
 


Member Since: 21 Oct 2017
Location: Stourbridge
Posts: 309

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4
Low Battery and DTC B1479-73

Hi everyone,

Had this display a couple of days ago:



Also got this DTC:



Found 2 similar posts via search:

https://disco4.com/forum/disco-4-2nd-batte...t=B1479-73

https://disco4.com/forum/dual-battery-junt...t=B1479-73

In the first post Ceekay says "I've located the actuator next to the stop/start battery but not sure if installing a new battery will cure the actuator stuck closed part or if i will actually need a new actuator."

Now looking at the TOPIx manual, there's no mention of a Dual battery junction box





LRCAT seems to suggest part number is LR051018:



EDIT: LR Classic Parts says it's been superseded by LR071376

Anyone shed any light on what the problem might be and/or confirm that the GWM in above diagram is the Dual battery junction box please?




Cheers,

Jason
 Discovery 4 HSE - Aintree Green
Freelander 2 TD4 SE Automatic - Tonga Green
Defender XS - Tonga Green - Gone Now
Freelander 1 Td4 ES Manual - Epsom Green - Gone Now
Freelander 1 Td4 Kalahari SE - Epsom Green - Gone Now
Freelander 1 XEi - Epsom Green - Gone Now

www.greenlandrover.uk

 
 
Post #22908309th May 2022 12:16 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 12137

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

Is this TSB LTB00716NAS3 any help to u

https://static.nhtsa.gov/odi/tsbs/2016/SB-10106260-9340.pdf
   
Post #22908389th May 2022 2:05 am
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s60r
 


Member Since: 14 Mar 2021
Location: West Sussex
Posts: 181

United Kingdom 2014 Discovery 4 3.0 SDV6 Commercial XS Auto Santorini BlackDiscovery 4

Subscribing to this as I’m having the same issue.

I have replaced my main battery to see if I can rule out that…. The low warning hasn’t appeared now for 3 days but I still have no start/stop. I have reset both BCM and still nothing.

I will look for the GWM code on IID tool today.
 A mod a week until I have nothing to improve or add.  
Post #22908449th May 2022 7:25 am
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Green Land Rover
 


Member Since: 21 Oct 2017
Location: Stourbridge
Posts: 309

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

gstuart wrote:
Hi

Is this TSB LTB00716NAS3 any help to u

https://static.nhtsa.gov/odi/tsbs/2016/SB-10106260-9340.pdf


It certainly will! Thank you! Thumbs Up

Seems a fairly straight forward job on the D4, Evoque not so!!! Shocked

Found a dual battery junction box on eBay (referred to by part no LR067367 or LR internal number EJ32-14F70-AB:



Seems to have its own fusebox. Wondering if maybe one of the fuses has gone in there Question I'll take a look later on and report back. Modules tend to go from anything from £20 to £90. £500ish for new one.
 Discovery 4 HSE - Aintree Green
Freelander 2 TD4 SE Automatic - Tonga Green
Defender XS - Tonga Green - Gone Now
Freelander 1 Td4 ES Manual - Epsom Green - Gone Now
Freelander 1 Td4 Kalahari SE - Epsom Green - Gone Now
Freelander 1 XEi - Epsom Green - Gone Now

www.greenlandrover.uk

 
 
Post #22908919th May 2022 12:50 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 12137

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Ur so welcome and great it was of some use , that would be a fantastic result if it’s just the fuse saving u alot of money

Plse let us know how u get on, fingers crossed for u Thumbs Up
   
Post #22909039th May 2022 1:21 pm
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Green Land Rover
 


Member Since: 21 Oct 2017
Location: Stourbridge
Posts: 309

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

Had some spare time today so decided to re-visit this.

Found this video on YT:



So checked batteries as this guy did and got following results:

Engine Off: Main - 12.62V, Starter - 12.68V
Engine On: Main 14.28V, Starter 14.18V

My understanding is that this means batteries are both ok. Anyone confirm anything to the contrary?

They should be ok. It's a 2014MY that has done 42k. Whenever it's parked up the CTEK charger is connected.

So, decided to pull the LR067367 module out and check the fuses. This is where the fun began! Two of the battery cable retaining nuts came off OK, the other one just span until a crunch was felt and it just came off Big Cry

Looking at the nut, it seems that it's been torqued up too much as the nut is damaged. Some oaf at the factory or dealership no doubt! Rolling Eyes

Need to get some rounded nut removers now and a new nut.

Looking at this Irwin set of rounded nut removers. Any other recommendations welcome Thumbs Up New nut is LR part no LR052363.

Hopefully once I've got those I can get the module off, check the fuses and then decide whether a new module is needed or not.

Will report back...





 Discovery 4 HSE - Aintree Green
Freelander 2 TD4 SE Automatic - Tonga Green
Defender XS - Tonga Green - Gone Now
Freelander 1 Td4 ES Manual - Epsom Green - Gone Now
Freelander 1 Td4 Kalahari SE - Epsom Green - Gone Now
Freelander 1 XEi - Epsom Green - Gone Now

www.greenlandrover.uk

 
 
Post #229262822nd May 2022 6:01 pm
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Sylvester19
 


Member Since: 18 Jul 2020
Location: Central
Posts: 49

Scotland 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Unknown ColourDiscovery 4

I've used the Irwin nut/bolt removers, worked fine for me on really rusted heads, I'd expect them to remove that nut easily, vice grips?
  
Post #229267522nd May 2022 10:28 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 12137

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Plus 1 ^^^^

Also found as a last resort using a dremel with a thin cutting blade very useful, used it on wiper arms once to remove them
   
Post #229268623rd May 2022 12:27 am
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Green Land Rover
 


Member Since: 21 Oct 2017
Location: Stourbridge
Posts: 309

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

Thanks for hints and tips.

Tried my Mole grips on it but difficult to turn because of shroud at top/bottom of stud. However this has reminded me that I have a cheapo tiny pair somewhere! Will try those later.
 Discovery 4 HSE - Aintree Green
Freelander 2 TD4 SE Automatic - Tonga Green
Defender XS - Tonga Green - Gone Now
Freelander 1 Td4 ES Manual - Epsom Green - Gone Now
Freelander 1 Td4 Kalahari SE - Epsom Green - Gone Now
Freelander 1 XEi - Epsom Green - Gone Now

www.greenlandrover.uk

 
 
Post #229271123rd May 2022 8:54 am
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Trailered Movements
 


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

Could you not cut off the shroud(s), it would be easier to then get a decent grip.


Dave
 2011 Discovery 4 Commercial SDV6
2010 RRS TDV8

Previous LR Product
1980 OBLIC 4.0ltr Range Rover 
 
Post #229271223rd May 2022 9:12 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 12137

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Green Land Rover wrote:
Thanks for hints and tips.

Tried my Mole grips on it but difficult to turn because of shroud at top/bottom of stud. However this has reminded me that I have a cheapo tiny pair somewhere! Will try those later.


Plus 1 with regards to the shrouds, if u haven’t got something like a dremel maybe using a new blade in a stanly knife to score them to allow u to bend them out the way

Must admit have found using mole grips etc tend to grip onto the thread, whereas using a dremel could cut those shrouds off very easily and then cut length ways on either side in order to split the nut off without damaging the thread

Or one of those irwin sockets , as indeed will come in very useful for other jobs , wonder with the shrouds out the way if it may allow u to turn the cable anti clockwise as maybe the nut will spin loose

Hope u find a solution
   
Post #229274123rd May 2022 1:54 pm
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Green Land Rover
 


Member Since: 21 Oct 2017
Location: Stourbridge
Posts: 309

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

Had a trip out in the Disco yesterday for the first time since trying to remove the module as above.

At the first set of lights I stopped at the ECO start/stop stopped the engine. The start/stop hasn't worked since the fault occurred and this reminded me that I hadn't done anything since trying to get the module out a few days ago.

Wondering if disconnecting the ECU from the battery has fixed the issue??? i.e. it had got into some state where it thought there was a low battery issue and couldn't get out of it. Removing the power has essentially initiated a cold reboot.

I haven't check to see if the fault is still present yet but the Low Battery warning hasn't popped up on the display when I checked about 10 mins ago. Will read the fault codes out later and report back.
 Discovery 4 HSE - Aintree Green
Freelander 2 TD4 SE Automatic - Tonga Green
Defender XS - Tonga Green - Gone Now
Freelander 1 Td4 ES Manual - Epsom Green - Gone Now
Freelander 1 Td4 Kalahari SE - Epsom Green - Gone Now
Freelander 1 XEi - Epsom Green - Gone Now

www.greenlandrover.uk

 
 
Post #229349629th May 2022 10:46 am
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Green Land Rover
 


Member Since: 21 Oct 2017
Location: Stourbridge
Posts: 309

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

Just a quick update on what's happened since my last post:
    Ordered a new module from eBay (£20ish)
    Removed the broken nut with this nut remover set
    Replaced it with a good nut from the eBay module.
    I haven't replaced the module so still have the eBay one as a spare.
    Fault has not re-occurred since the disconnect/re-connect of the battery as per my previous post.
Will update again if anything changes.
 Discovery 4 HSE - Aintree Green
Freelander 2 TD4 SE Automatic - Tonga Green
Defender XS - Tonga Green - Gone Now
Freelander 1 Td4 ES Manual - Epsom Green - Gone Now
Freelander 1 Td4 Kalahari SE - Epsom Green - Gone Now
Freelander 1 XEi - Epsom Green - Gone Now

www.greenlandrover.uk

 
 
Post #229628219th Jun 2022 10:48 am
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