Disco 4 restricted performance and gearbox fault

Disco 4 restricted performance and gearbox fault

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Discussion

IMI A

Original Poster:

9,656 posts

208 months

Monday 27th March 2017
quotequote all
Hi , first post on LR Forum. We are on our third Disco which is a 2010 6 speed auto Disco 4 HSE Diesel. Owned from new.

Land Rover has taken £1500 off us without being able to diagnose why we have had a restricted performance sign with yellow warning triangle. We have had the issue on and off for last few years but as the car drives perfectly have never been that bothered about it. In the end Land Rover said car needs to be driven more which is nonsense. It does 10000 miles a year which is more than enough and has so far covered 73,000 miles.

Move forward 2 years and we are now getting restricted performance sign intermittently and then later we get a gearbox fault yellow warning sign.

Land Rover say they think it needs a transmission control module for circa £3500 fitted.

I've lost faith in their ability to fix their own cars and wonder if car is going into limp mode because of the initial restricted performance fault. Last thing we want is to spend £5,000 in total and the problems still there.

I suppose the question is is there any specialist in the U.K. who can fix an issue like this 100% without chasing their tails? Have no faith in the main dealers. Based in south east but happy to travel.

Thanks in advance smile

Edited by IMI A on Monday 27th March 17:24

numtumfutunch

4,858 posts

145 months

Monday 27th March 2017
quotequote all

http://www.disco4.com/forum/

There's a wealth of experience

Good luck

IMI A

Original Poster:

9,656 posts

208 months

Monday 27th March 2017
quotequote all
Cheers

miniman

26,266 posts

269 months

Monday 27th March 2017
quotequote all
I'd start with a cheap eBay code reader and get the fault codes posted up.

P100

627 posts

213 months

Monday 27th March 2017
quotequote all
Get it plugged in at your local LR Indy. A cheap code reader will NOT give you the depth of result you need to be able to accurately diagnose your fault !

Whereabouts in the country are you ?

Roy

IMI A

Original Poster:

9,656 posts

208 months

Monday 27th March 2017
quotequote all
P100 said:
Get it plugged in at your local LR Indy. A cheap code reader will NOT give you the depth of result you need to be able to accurately diagnose your fault !

Whereabouts in the country are you ?

Roy
Hi Roy based in Hertfordshire. Not had much luck with local Indys around here which is surprising as every second car around her is a LR. Tried G&G in Ware and they're okay ish but have no more confidence in them than the LR main dealer. By way of example they want to buy the the TCM direct from LR for £1600 when I know you can get it from ZF direct for less than half that price. MRH in Hertford seems to have shut down. All of them are pleasant enough but I struggle to follow their logic. LR will just keep on replacing parts till its fixed - the issue with that is I'll probably need a new engine and gearbox to fix the thing in the end!

camel_landy

5,081 posts

190 months

Monday 27th March 2017
quotequote all
In these cars it could be something as obscure as a faulty brake peddle switch!!

M

hilly10

7,305 posts

235 months

Tuesday 28th March 2017
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numtumfutunch said:
http://www.disco4.com/forum/

There's a wealth of experience

Good luck
As advised join up, there wii surely be someone who as had that very problem

rufmeister

1,395 posts

129 months

Tuesday 28th March 2017
quotequote all
Had the same car, same fault, needed new gearbox module (mechatronic unit). Took a look no time to get diagnosed and rectified.

Luckily had a warranty on it, cost was £2300.

IMI A

Original Poster:

9,656 posts

208 months

Tuesday 28th March 2017
quotequote all
rufmeister said:
Had the same car, same fault, needed new gearbox module (mechatronic unit). Took a look no time to get diagnosed and rectified.

Luckily had a warranty on it, cost was £2300.
Cheers good to know. At the moment car seems to be driving perfectly again. Going to use it for a few more days before sending it to a LR gearbox specialist. https://www.rangerovergearbox.co.uk

They can buy the TCM direct from ZF and have it fitted for £1500. If I'd sent it to them in first place car would have already been fixed. Welwyn LR very average. Ordered a new Range Rover LWB Autobiography SVR in black with cream leather. Had to wait 12 months and it turns up with a choc brown interior! As I said unbelievably average service from Welwyn LR then salesman has cheek to say I didn't check final order form properly which he messed up when filling in! Slowly tore a strip off him rolleyes

g7jtk

1,776 posts

161 months

Wednesday 29th March 2017
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camel_landy said:
In these cars it could be something as obscure as a faulty brake peddle switch!!

M
Does the fault clear and the car run normally if you switch odd then restart?
If it does then faults when you press the brake paddle this could be it. Just clean the contacts in the switch. If not keep looking. Leo said to be a brake light bulb out.

bakerstreet

4,822 posts

172 months

Saturday 1st April 2017
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IMI A said:
Hi Roy based in Hertfordshire. Not had much luck with local Indys around here which is surprising as every second car around her is a LR. Tried G&G in Ware and they're okay ish but have no more confidence in them than the LR main dealer. By way of example they want to buy the the TCM direct from LR for £1600 when I know you can get it from ZF direct for less than half that price. MRH in Hertford seems to have shut down. All of them are pleasant enough but I struggle to follow their logic. LR will just keep on replacing parts till its fixed - the issue with that is I'll probably need a new engine and gearbox to fix the thing in the end!
Try Harris Mayes County Cars in Rickmaworth (10mins from J18, M25). They have the latest diagnostics and they are very good. It's not a plush place, but they know their stuff. If yu are getting the box re-built, then Bristol transmissions is a good source and they supply a lot of independent dealers across the country.

IMI A

Original Poster:

9,656 posts

208 months

Sunday 2nd April 2017
quotequote all
bakerstreet said:
IMI A said:
Hi Roy based in Hertfordshire. Not had much luck with local Indys around here which is surprising as every second car around her is a LR. Tried G&G in Ware and they're okay ish but have no more confidence in them than the LR main dealer. By way of example they want to buy the the TCM direct from LR for £1600 when I know you can get it from ZF direct for less than half that price. MRH in Hertford seems to have shut down. All of them are pleasant enough but I struggle to follow their logic. LR will just keep on replacing parts till its fixed - the issue with that is I'll probably need a new engine and gearbox to fix the thing in the end!
Try Harris Mayes County Cars in Rickmaworth (10mins from J18, M25). They have the latest diagnostics and they are very good. It's not a plush place, but they know their stuff. If yu are getting the box re-built, then Bristol transmissions is a good source and they supply a lot of independent dealers across the country.
Thanks will give them a call on Monday.

IMI A

Original Poster:

9,656 posts

208 months

Friday 7th April 2017
quotequote all
bakerstreet said:
Try Harris Mayes County Cars in Rickmaworth (10mins from J18, M25). They have the latest diagnostics and they are very good. It's not a plush place, but they know their stuff. If yu are getting the box re-built, then Bristol transmissions is a good source and they supply a lot of independent dealers across the country.
Disco booked in for Monday - seem like really good guys on the phone - lets see if they can resolve the issues.

luklawecki

1 posts

54 months

Friday 15th May 2020
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So..... did U resolve a problem.???