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Kzwpoas1



Member Since: 04 Oct 2022
Location: None
Posts: 19

Instrument cluster failure and limp mode

Another week, yet another breakdown! RRS, 2009, L320, 3.6 TDV8.
On Friday evening went to turn on the engine to get home and the green part of the dash came up all pixelated. Had no choice but to continue, then dash back to normal and then completely black, then back on but with pixels all over the place.
The following day, everything seemed to be okay, when the instrument panel again went dead, back on again, and then the engine went into limp mode, max 50khm but without warning s or " engine system fault" Pulled over, turned the car on and off several times and it seemed to be okay and managed to get home. The same thing happened again this afternoon, dash and instrument panels on and then off, and basically all over the shop floor but this time limp mode down to 20 kmh.
Now the vehicle sat in front of the house. I will reset the ECU and see if this helps in any way. I will also test the battery and connections but the battery seems okay.
I am assuming the instrument panel cluster has failed as I had read that this is yet another common failure point.
But not sure why the vehicle went into limp mode
Has anyone had similar shenanigans with the RRS?
Last week the intercooler hose failed on the motorway and went into limp mode. That was repaired and now this electrical nonsense. Diff also needs replacing.
Thanks for any advice.

Post #628212 Sun Nov 13 2022 11:55am
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Topcat2308



Member Since: 24 Nov 2016
Location: Merseyside
Posts: 14

United Kingdom 2006 Range Rover Sport Supercharged Java Black

Can,t say for sure what is going on with yours but most vehicles these days have a number of systems running through the cluster. The main resister for the canbus network backbone also sits in the cluster. if the canbus network has been interrupted it could explain the limp mode as it won't be receiving signals from various modules. A dry joint in the board or intermittent connection could also explain the off/on nature of your fault. I recently repaired a dry joint on the cluster PCB on a Ford which was causing all sorts of issues including not switching off the immobilized, limited performance, erratic Speedo and array of warning lights.

Just food for thought before chucking money at it.

Post #628252 Mon Nov 14 2022 9:44pm
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Lrstaylor



Member Since: 10 Mar 2022
Location: Kent
Posts: 304

United Kingdom 2006 Range Rover Sport Supercharged Bali Blue

This is a well known fault, dry joints on the main cluster panel is the 1st port of call. If your not happy stripping it down send it off to a good repair company. Had todo this on a 2009 D3. Same cluster.

You will find info on the d3 sister forum

Post #628253 Tue Nov 15 2022 12:00am
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Kzwpoas1



Member Since: 04 Oct 2022
Location: None
Posts: 19

Thanks for the info. It's currently at the LR dealership and they are taking a look. If as suspected, it's a dry joint cluster problem, they will send it for testing and repair by an instrument panel specialist. Finger's crossed.

Post #628255 Tue Nov 15 2022 10:43am
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Topcat2308



Member Since: 24 Nov 2016
Location: Merseyside
Posts: 14

United Kingdom 2006 Range Rover Sport Supercharged Java Black

Don,t want to put you on a downer but if you have given it to a LR dealership I would be surprised if they get this repaired if faulty. They will more than likely try to sell you a new replacement. They will not repair any module or component containing a PCB. (Cluster has one). But good luck and hopefully they find it is a damaged wire rather than the board.

Post #628263 Tue Nov 15 2022 7:00pm
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