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DISCO3.CO.UK > Maintenance & Mods (D3)

C1A20 Pressure increases too slowly. Signal plausibility fai
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Vagbrytarna
 


Member Since: 07 Jan 2011
Location: Kungsbacka
Posts: 4

Sweden 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3
C1A20 Pressure increases too slowly. Signal plausibility fai

Hi,

I had some intermittent yello light from the suspention. Now it goes on every time I drive the car. When I read the fault code with my Hawkeye I get " C1A20 Pressure increases too slowly. Signal plausibility failure"
Does this mean I need a new compressor?

/Tomas  
Post #7426327th Jan 2011 9:40 am
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geoff.
 


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

England 

could mean the compressor is on its way out Whistle  
Post #7426457th Jan 2011 9:57 am
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Vagbrytarna
 


Member Since: 07 Jan 2011
Location: Kungsbacka
Posts: 4

Sweden 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Don't want to buy a new compressor if it's only a signal fault. Have tried searching for the "Signal plausibility failure" but don't find anyone else who had that part of the error...
Maybe all C1A20 errors are the same?  
Post #7427997th Jan 2011 2:19 pm
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chris d3
 


Member Since: 21 Jun 2009
Location: sunderland
Posts: 423

United Kingdom 

Ive got the same fault.  
Post #7428837th Jan 2011 4:07 pm
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wjk_glynn
 


Member Since: 26 Dec 2010
Location: Was Galway, now San Jose (California)
Posts: 13

United States 2006 LR3 4.4 V8 SE Auto Bonatti GreyLR3

From Vehicle Dynamic Suspension - Diagnosis and Testing

Possible causes of "C1A2064 Pressure Increase Too Slow When Filling Reservoir"

Compressor fault
Reservoir pipe air leak
Reservoir air leak
Gallery pipe air leak
Intake filter blocked/restricted
Intake pipe blocked/restricted
Air suspension intake silencer blocked/restricted
Corner valve stuck open
Pressure sensor fault

Refer to the guided diagnostic routine for this code on the approved diagnostic system. Check the Air suspension intake pipe and silencer for blockage/restriction.

Karl.  
Post #7429007th Jan 2011 4:25 pm
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Vagbrytarna
 


Member Since: 07 Jan 2011
Location: Kungsbacka
Posts: 4

Sweden 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

nothing about the "signal plausibility failure" ? Sounds to me as if it could be a strange reading from a sensor.  
Post #7429107th Jan 2011 4:32 pm
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MacLeod 313
 


Member Since: 18 Apr 2008
Location: away
Posts: 10723

Scotland 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

geoff. wrote:
could mean the compressor is on its way out Whistle


Same fault Code as your Faultmate found Geoff, as u know it was a compressor required  
Post #7429187th Jan 2011 4:39 pm
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wjk_glynn
 


Member Since: 26 Dec 2010
Location: Was Galway, now San Jose (California)
Posts: 13

United States 2006 LR3 4.4 V8 SE Auto Bonatti GreyLR3

Vagbrytarna wrote:
nothing about the "signal plausibility failure" ?


Not that I could see. But it should be noted that I'm very new to Land Rovers (only bought the LR3 on Xmas Eve) and I've only partially read the docs downloaded from the LR technical site.

Karl.  
Post #7432298th Jan 2011 7:42 am
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Vagbrytarna
 


Member Since: 07 Jan 2011
Location: Kungsbacka
Posts: 4

Sweden 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Ok... Thanks. Will order a new compressor and change that myself. Stealers want 1200€ for the compressor + labour. Better to order parts from UK and do the work myself...  
Post #7433958th Jan 2011 4:03 pm
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floydstar
 


Member Since: 04 Jun 2011
Location: Bath
Posts: 92

United Kingdom 

Vagbrytarna wrote:
Ok... Thanks. Will order a new compressor and change that myself. Stealers want 1200€ for the compressor + labour. Better to order parts from UK and do the work myself...


I need to replace the compressor on mine 2006 LR3. Has anyone done a photo How to guide? like Bodsy's brake bible, the Blanking Plates fix, the Boot Actuator replacement? all of which I've used and have been invaluable.

Also anyone have part number of the compressor?

Many thanks  
Post #10986593rd May 2013 7:00 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20732

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Yes, on the wiki. Covers both types, Hitachi and the newer AMK one Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #10988364th May 2013 10:48 am
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floydstar
 


Member Since: 04 Jun 2011
Location: Bath
Posts: 92

United Kingdom 

Disco_Mikey wrote:
Yes, on the wiki. Covers both types, Hitachi and the newer AMK one Thumbs Up


Doh! I looked at the 'How To' links in your 'signature' and completely missed the
"How To-Replace AMK Suspension Compressor" link! http://www.disco3.co.uk/forum/topic84165.html?highlight=amk
Thanks Mikey! I'll have a good read but apologies up front if I'm back here with more questions Very Happy
[/url]  
Post #10988484th May 2013 11:10 am
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