Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18561
It’s a CAN bus fault, as mentioned a few times above and in the thread I linked to (and many others).
A garage/auto electrician may not have come across it before, we have!
In other threads there are reports of people giving the top of the cluster a firm thump. Worth a try, if it works it’s 100% the cluster.
Other possible causes are water ingress into the body controller (internal fuse box) or maybe the transfer box ECU causing the same loss of CAN comms.
My understanding is it is an electrical loss of the medium speed CAN bus and the messages on it, which is reported in your error codes.06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
I had the exact same thing happen to me two weeks ago. I took it to my local Land Rover Specialist and they had the instrument console sent away to be repaired. They re-soldered a bunch of connections on the circuit board and now the car is happy again.2005 D3 V8
2010 MX-5
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22nd Mar 2023 2:14 pm
Ness211
Member Since: 20 Mar 2023
Location: Bradford
Posts: 9
Thankyou all so much for your messages really helpful. I have spoken to the guy at the tronics place and we have someone taking it out at the weekend to send it off. Fingers crossed this works and if not we can then look at the can bus. I will keep you all posted and thanks again x
22nd Mar 2023 8:39 pm
loanrangie
Member Since: 18 Jun 2017
Location: Melbourne
Posts: 699
Martin wrote:
It’s a CAN bus fault, as mentioned a few times above and in the thread I linked to (and many others).
A garage/auto electrician may not have come across it before, we have!
In other threads there are reports of people giving the top of the cluster a firm thump. Worth a try, if it works it’s 100% the cluster.
Other possible causes are water ingress into the body controller (internal fuse box) or maybe the transfer box ECU causing the same loss of CAN comms.
My understanding is it is an electrical loss of the medium speed CAN bus and the messages on it, which is reported in your error codes.
In this instance is it more likely a canbus fault than a solder joint or chip issue ? i had a similiar experience a few weeks back , dash lit up like a xmas tree and hazard lights, interior lights and doors locking unlocking but dash including dials were all still functioning unlike those that had a chip issue where the dash goes completely dead.
22nd Mar 2023 10:56 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14129
Ness211 wrote:
Thankyou all so much for your messages really helpful. I have spoken to the guy at the tronics place and we have someone taking it out at the weekend to send it off. Fingers crossed this works and if not we can then look at the can bus. I will keep you all posted and thanks again x
Fingers crossed for u
22nd Mar 2023 11:08 pm
DJEwen
Member Since: 19 Apr 2017
Location: Cairn o’ Mount
Posts: 51
Hopefully this sorts your issue. Do let us know.2005 Discovery 3 HSE Zambezi Silver 56,000mls
23rd Mar 2023 8:05 am
Ness211
Member Since: 20 Mar 2023
Location: Bradford
Posts: 9
How can I tell for definite it’s the cAn bus and where is it located?
23rd Mar 2023 8:40 am
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18561
loanrangie wrote:
In this instance is it more likely a canbus fault than a solder joint or chip issue ? i had a similiar experience a few weeks back , dash lit up like a xmas tree and hazard lights, interior lights and doors locking unlocking but dash including dials were all still functioning unlike those that had a chip issue where the dash goes completely dead.
I'm talking about the whole CAN bus system, all the way into the microprocessor. If there's no link from the microprocessor to the connector onto the actual CAN bus wire pair, then that is also a CAN issue, with the same effect as a broken wire between the modules.06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
23rd Mar 2023 8:54 am
onetwentie
Member Since: 25 May 2020
Location: West Yorkshire
Posts: 103
Hey Martin
Do you know where the microprocessor is located on the Disco3? I most definitely have a CAN BUS issue, and I think it's going to be the CAN wire pair which has been chewed in one or more places.. not sure where or how to start diagnosing that.
I know that there are diagrams that are available that not only show you the CAN network/wiring layout, but also where in the car the relevant connectors are located. Can anyone point me to them? I have tried searching the Forum for 'topology' and 'CANBUS' and looked at the resultant threads.
thanks
onetwentie.
18th May 2023 10:14 am
Downsman
Member Since: 04 Sep 2017
Location: Sussex
Posts: 99
hi all,
I've got the same issue, intermittently go to start, but aircon, radio and screen all non-operational, temp sensor on dash reads --C, interior light on and hazards flashing, won't start.
It has happened once whilst driving too, the radio display read "system fault shutting down" hazards came on but car continued to run. Speedo and all other dials still operating but --C temp.
Before I start taking the dash apart to remove the instrument cluster, is there any way to distinguish between an instrument cluster failure or other CANBUS issue elsewhere?
appreciate your help!!2007 Discovery 3 HSE
1986 Land Rover 90 Ex-MOD
1996 discovery 1 v8 (gone)
7th Jul 2023 2:05 pm
onetwentie
Member Since: 25 May 2020
Location: West Yorkshire
Posts: 103
Hi Downsman
There are a number of checks you can do, resistance and voltage tests - if you have a multimeter.
It should serve as a bit of background reading if nothing else, but should be helpful too.
There are posts on there which I found very useful.
As for taking the Instrument Cluster out - it's actually not that difficult. I found a YouTube video on how to do it.
good luck!
7th Jul 2023 2:17 pm
KPTV8
Member Since: 05 Feb 2012
Location: Itinerant !! (Scotland/Donegal)
Posts: 187
Hi, I had this behaviour (D3 2006), started for no apparent reason. Later the same day I started getting constant audible tone at low road speeds (20mph perhaps, can't remember exactly).
Root cause proved to be faulty parking sensor ECU, presumably dumping spurious "data" onto the bus and upsetting other ECUs.
Couple of days later the parking sensors went from intermittent to complete failure, thereafter I got no more hazard/indicator light troubles, and no more unwanted audible warnings.
I never replaced the parking sensor ECU so I can't PROVE for sure that was the source of trouble, but the coincidence seemed too strong, partly 'cos FRONT parking sensors only kick-in at low road speed.
What I SHOULD have done is look for a power supply fuse for the parking sensor electronics and pulled it; brain is wiser now !!! But maybe you could try that, it's a really easy test ?
Wish you good luck ))
8th Jul 2023 11:29 am
Moo D3 Decade
Member Since: 13 Aug 2010
Location: UK
Posts: 14388
Ness211 wrote:
Thankyou all so much for your messages really helpful. I have spoken to the guy at the tronics place and we have someone taking it out at the weekend to send it off. Fingers crossed this works and if not we can then look at the can bus. I will keep you all posted and thanks again x
Did it get fixed?New Defender L663 110 SE (known as Noddy!)
Sold Volvo XC90 R-Design (known as Basil)
Sold - D4 HSE (Known as Gerty)
No longer the Old Buses original owner
231,000 miles and counting
05 S manual owned from March 2005
D4 Face lifted
Still original injectors and turbo
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BAS Remap, Allisport Intercooler and deCat
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Hanibal Expeedition rack
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8th Jul 2023 12:29 pm
Downsman
Member Since: 04 Sep 2017
Location: Sussex
Posts: 99
onetwentie wrote:
Hi Downsman
There are a number of checks you can do, resistance and voltage tests - if you have a multimeter.
It should serve as a bit of background reading if nothing else, but should be helpful too.
There are posts on there which I found very useful.
As for taking the Instrument Cluster out - it's actually not that difficult. I found a YouTube video on how to do it.
good luck!
Thanks for the advice, you were right its not that hard to remove and giving it a bit of a slap seems to resolve my issue temporarily - so it looks like a dodgy solder in the board somewhere as the plug is A1.
Does anyone know if i can just swap the cluster with one from a breakers, or does it need to be paired with the ECU or something more technical when you change it?2007 Discovery 3 HSE
1986 Land Rover 90 Ex-MOD
1996 discovery 1 v8 (gone)
10th Jul 2023 1:29 pm
trynian
Member Since: 03 Sep 2009
Location: California
Posts: 67
Exact same issues just started
I have now started to get these exact same issues just recently on my 06 NA (236k miles). It has been a very wet winter so at first I started to suspect the drains but every thing is bone dry and inspection of the drains and other areas show all in good working order.
Only happens random, mostly (it seems) when it is still cooler out and driving a little like in the early morning. I am getting an intermittent can bus code in the instrument pack . This vehicle is just an extra these days so I just park it for a bit and it clears up but eventually pops up at the most random times.
Checking out the instrument pack connections, just waiting for the next time it pops up to see if I can narrow things down with all the great information here.
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))
