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Yeah Boy



Member Since: 09 Oct 2017
Location: Bedfordshire
Posts: 4

England 2006 Range Rover Sport TDV6 HSE Java Black
Brake Switch Fault, Followed By Yellow Brake Light etc

Hi gang

Having problems with RRS, have yellow brake pad light on, traction light on, rollover light on and display saying reduced suspension ride height ( although it looks ok ) but I'm unable to select ride height.

Plugged into to diagnostic reader code are as follows:

P1935-00 Brake Switch / Sensor Signal Permanent (Have Replaced with new one, no effect all brake lights work ok)

U0416-86 Invalid data from vehicle dynamics control module Permanent


Got to be something simple, because other than that alls well.

Any help would be much appreciated Big Cry

Post #537878 Mon Oct 09 2017 6:42pm
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Johnski



Member Since: 02 Sep 2015
Location: North Wales & North Yorkshire
Posts: 1407

Wales 2012 Range Rover Sport SDV6 HSE Lux Sumatra Black

Just a minor query, did you use a new genuine LR brake switch? It has been reported that others can cause problems/failures, same as brake light bulbs I believe. Whistle John

RRS MY12 SDV6 HSE. Sumatra Black/Ebony & Walnut + Dynamic Pack, + Cold Climate Pack + Memory Pack, Digital TV/DVD, Premium Leather, Cornering Lights, Cooler/Fridge Box, & most Options.

Post #537920 Mon Oct 09 2017 10:03pm
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Paddi



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

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

The brake pad light is triggered only by pad wear to the limit or a break in one of the two sensors wiring. Both easily checked.

First thing to check for suspension related warnings is the state of battery charge - low volts upsets some of the systems so check voltage across the battery terminals engine off but after car has been sitting overnight i.e. not just after it has been running. Anything less than 12.4 ish is too low. Try fully charging the battery.

If you need professional help - you are in luck as there is a very good independent called Landers near you in Houghton Regis:
http://www.landersgarage.co.uk/ 2008 MY Java Black TDV8 HSE

Post #537950 Tue Oct 10 2017 11:02am
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Andy K



Member Since: 18 Sep 2015
Location: GL
Posts: 4753

England 2005 Range Rover Sport TDV6 HSE Rimini Red

I've seen it put the yellow ! pad light on for the hell of it when other lights have been on,

Post #537953 Tue Oct 10 2017 11:20am
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Paddi



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

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

Andy - I must RTFM more often Embarassed
Seems the amber (yellow) also indicates problems with EBA or EPB systems so yes it makes sense that it can be thrown up by some other unrelated fault. I think this is what people call 'cascade faults' on the Canbus? 2008 MY Java Black TDV8 HSE

Post #537993 Tue Oct 10 2017 4:11pm
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Yeah Boy



Member Since: 09 Oct 2017
Location: Bedfordshire
Posts: 4

England 2006 Range Rover Sport TDV6 HSE Java Black

Sorry guys been any from my desk, the brake light switch was from Euro Car Parts, not LR.

Post #538625 Wed Oct 18 2017 5:52pm
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Yeah Boy



Member Since: 09 Oct 2017
Location: Bedfordshire
Posts: 4

England 2006 Range Rover Sport TDV6 HSE Java Black

Also checked voltage with multimeter, battery voltage all good.

Post #538626 Wed Oct 18 2017 5:55pm
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