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Air bag light on dash
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Fixit
 


Member Since: 24 Mar 2010
Location: Rainy Devon
Posts: 13

United Kingdom 2007 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3
Air bag light on dash

Hi all i have the airbag light on it has been for a while (57 plate discovery 3)
My mate read and cleared all the codes tonight and the light has come back on
Now the only code we have is
B0090-81: Left frontal restraints sensor. Invalid serial data received.


I was hopeing one of you may be able to point me in the right direction from here as to what the problem may be?

Thanks Chris
  
Post #107064212th Mar 2013 7:28 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

check all plugs under drivers and passengers seat make sure none have come loose Thumbs Up
  
Post #107065212th Mar 2013 7:38 pm
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sean 471
 


Member Since: 26 Apr 2011
Location: Sheffield
Posts: 2990

United Kingdom 2007 Discovery 3 TDV6 Pursuit LE Auto Java BlackDiscovery 3

Has Geoff said check all connections under seats and under passenger side footwell panel on left had side remove and check.
If not it might be the clock spring connections as it was on mine
  
Post #107066012th Mar 2013 7:48 pm
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wizz80
 


Member Since: 06 Feb 2010
Location: devon
Posts: 105

United Kingdom 

Hi all I am the mate who read codes I'm fairly sure its not the clock spring as the dynamic readings looked ok compared to the last one I changed.we didn't get any further than that tonight it was to bloody cold and I only popped in on my way home from work and thought the pub looked more appealing
  
Post #107071012th Mar 2013 8:50 pm
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character
 


Member Since: 31 Dec 2007
Location: wiltshire
Posts: 5779

United Kingdom 2005 Discovery 3 TDV6 S Auto Alaska WhiteDiscovery 3

did yer resolve the issue, just that I too have got me airbag light on...did the coupling last year Big Cry
  
Post #107703524th Mar 2013 12:18 am
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chocolademan
 


Member Since: 02 Nov 2010
Location: Snowy Oslo (formerly West Yorks)
Posts: 1249

Norway 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Mine was a wiring problem under the seat. If I lowered the seat it went away, but SWMBO couldn't see Rolling Eyes So when I raised it again I got the pling and light on dashboard. 4 screws to take off seat cushion and I saw where the wire had been rubbing, so was an easy fix.

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 Faultmate MSV2 MultiVehicle
D3: Tailgate Actuator DIY: http://www.disco3.co.uk/gallery/albums/use...IY%7E0.pdf 
 
Post #107705324th Mar 2013 7:09 am
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Snow White
 


Member Since: 16 Aug 2012
Location: Mid Norfolk
Posts: 158

England 2005 Discovery 3 TDV6 S Auto Unknown ColourDiscovery 3

What bolts and where are they, that allowed you to remove just the seat base to allow you find the problem?

I've similar problem but can't get at it?

Ta
 RRS HSE 2012 Stage 1 remap, timed heater General Grabbers
Blue D3 with winter pack, xenon lights, Geoff's engine performance upgrade, egr's blanked, mega flushed gearbox, 3 new wishbones, RLD sump guard, V8 brakes front and rear, General Grabbers. Rock/tree sliders. Now gone
Defender 90 tray back, 3 winches (with one or two other subtle mods) Now for sale 
 
Post #107739024th Mar 2013 5:47 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Just 4 torx screws - I'll get you some instructions.

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 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #107739224th Mar 2013 5:49 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Here:

http://www.disco3.co.uk/gallery/albums/use...on%7E0.pdf

Thumbs Up
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #107739624th Mar 2013 5:50 pm
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chocolademan
 


Member Since: 02 Nov 2010
Location: Snowy Oslo (formerly West Yorks)
Posts: 1249

Norway 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Nice one Robbie, beat me to it...

Thumbs Up
 Faultmate MSV2 MultiVehicle
D3: Tailgate Actuator DIY: http://www.disco3.co.uk/gallery/albums/use...IY%7E0.pdf 
 
Post #107741024th Mar 2013 6:00 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

'Tis what we are all here for.

Thumbs Up
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #107745624th Mar 2013 6:48 pm
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Snow White
 


Member Since: 16 Aug 2012
Location: Mid Norfolk
Posts: 158

England 2005 Discovery 3 TDV6 S Auto Unknown ColourDiscovery 3

Thanks guys, I'll have a look tomorrow if it isn't snowing Rolling with laughter
 RRS HSE 2012 Stage 1 remap, timed heater General Grabbers
Blue D3 with winter pack, xenon lights, Geoff's engine performance upgrade, egr's blanked, mega flushed gearbox, 3 new wishbones, RLD sump guard, V8 brakes front and rear, General Grabbers. Rock/tree sliders. Now gone
Defender 90 tray back, 3 winches (with one or two other subtle mods) Now for sale 
 
Post #107762724th Mar 2013 9:54 pm
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RemiW
 


Member Since: 08 Oct 2013
Location: Toronto
Posts: 1

2006 LR3 4.4 V8 HSE Auto Stornoway GreyLR3

wizz80 wrote:
Hi all I am the mate who read codes I'm fairly sure its not the clock spring as the dynamic readings looked ok compared to the last one I changed.we didn't get any further than that tonight it was to bloody cold and I only popped in on my way home from work and thought the pub looked more appealing


What scan tool did you use to get the subfault of B0090 fault code?
  
Post #170467912th Sep 2016 2:41 am
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limaluk
 


Member Since: 13 Apr 2017
Location: Newcastle
Posts: 13

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4
B0090-81 (AF) and B0090-11 (2C)

After a lot of valuable advice, this time I must write that you are wrong.
I had 2 errors: B0090-81 (AF) and B0090-11 (2C) including amber airbag worning. Listening to the advice, I spent 3 hours under the seats of my Disco4. No results.
The solution to the problem "Left frontal restraints sensor" (as described by the tool/warning decoder) is the left front crash sensor. Part number 5H2Z-14A686-BA. It is located behind the left headlight (radiator area), and is screwed with two screws (Torx30). Access to the inside one is difficult, but it can be removed without additional disassembly.
I replaced the sensor, amber light disappeared even without additional error removal. 15 min job.
 Land Rover - Turning Drivers into Mechanics Since 1948
Discovery 4 XS
Discovery 3 XS
Discovery 3 SE 
 
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