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col smith



Member Since: 20 May 2017
Location: cornwall
Posts: 3

United Kingdom 
Gearbox fault, advise please

Hi all, my rrs has just started to not shift up gears, its fine for the first 6-10 miles.
I had it plugged into a diagnostic machine, there was quite a few faults but all bar 1 cleared, uo416, invalid data received from dynamic control module.
the transmission fault light doesn't come on straight away, but when it does the car shifts normally?? but most of the time the light stays off. The gearbox shifts fine when in manual, so I'm assuming its not the gearbox.
Any ideas, tips etc much appreciated.

Post #526435 Sat May 20 2017 2:44pm
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Paddi



Member Since: 06 Jul 2012
Location: Hertfordshire
Posts: 1563

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

Hi, bonkers though this may sound; check your brake light bulbs are working and are correctly fitted. It is a known problem that issues with the bulbs can cause the symptoms you are experiencing. 2008 MY Java Black TDV8 HSE

Post #526493 Sun May 21 2017 5:24pm
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col smith



Member Since: 20 May 2017
Location: cornwall
Posts: 3

United Kingdom 

Funny enough I changed a bulb the weekend before the issues started, thanks bud I'll try changing the buld

Post #526495 Sun May 21 2017 5:29pm
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Paddi



Member Since: 06 Jul 2012
Location: Hertfordshire
Posts: 1563

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

Thumbs Up
Again might sound daft but it is important the bulbs are top quality. Only use genuine Osram brand or get them direct from Land Rover.
If no resolution next thing to try is changing the brake pedal switch. 2008 MY Java Black TDV8 HSE

Post #526499 Sun May 21 2017 7:15pm
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col smith



Member Since: 20 May 2017
Location: cornwall
Posts: 3

United Kingdom 

Just ordered osram bulbs, I also done a hard re set earlier. Car drives totally different, much more responsive. I'll do the bulbs & keep my fingers crossed. Thanks again for your advise Thumbs Up

Post #526501 Sun May 21 2017 7:41pm
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bainsy19



Member Since: 16 Jun 2017
Location: London
Posts: 1

United Kingdom 2007 Range Rover Sport TDV6 HSE Santorini Black

I am having the same problem - can you advise if the bulbs resoilved the issue.
I also changed a bulb and noticed the transmission would not work throu the gears,,, also noticed that the brake lights stay on with the headlights and this is when the transmission fails. When the lights are off the transmission and brake lights are fine !!

Post #528258 Fri Jun 16 2017 10:55am
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Black Bess



Member Since: 09 Sep 2013
Location: Lincolnshire
Posts: 245

United Kingdom 2005 Range Rover Sport TDV6 HSE Java Black

Sounds like you have an earthing fault on a rear lamp unit. I would look critically at the lamp units and connections at the rear.
Also, do not discount the brake light switch, which has caused many a problem, but is cheap and easy to replace.

Post #528437 Mon Jun 19 2017 8:26am
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