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Air Suspension fault - C1A18-64
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geoffmc
 


Member Since: 22 May 2017
Location: Brisbane
Posts: 3

Australia 2013 Discovery 4 3.0 TDV6 GS Auto Alaska WhiteDiscovery 4
Air Suspension fault - C1A18-64

Hi All,

For the past few weeks, i have had an intermittent suspension fault C1A18-64. It hasn't progressed in dropping to the bump stops, or going into limp mode and is easily reset able by switching off, locking and unlocking.

Has anyone experienced this and if so, what was the rectification?

cheers
Geoff
  
Post #204823224th Apr 2019 1:30 pm
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 6266

Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

try recalibraing it
  
Post #204826424th Apr 2019 2:55 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4628

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3
Re: Air Suspension fault - C1A18-64

geoffmc wrote:
Hi All,

For the past few weeks, i have had an intermittent suspension fault C1A18-64. It hasn't progressed in dropping to the bump stops, or going into limp mode and is easily reset able by switching off, locking and unlocking.

Has anyone experienced this and if so, what was the rectification?

cheers
Geoff


Reservoir valve blocked/ stuck/kaput!
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #204829524th Apr 2019 4:59 pm
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geoffmc
 


Member Since: 22 May 2017
Location: Brisbane
Posts: 3

Australia 2013 Discovery 4 3.0 TDV6 GS Auto Alaska WhiteDiscovery 4

HI All,

so i have replaced the rear valve block and serviced the compressor (replaced the desiccant and filters) and the problem still persists, albeit very intermittently now.

Any other ideas?

cheers
Geoff
  
Post #205603926th May 2019 12:17 pm
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Admirable
 


Member Since: 19 Jul 2015
Location: Fife
Posts: 1011

Ukraine 2007 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Have you done the soapy water test on the dryer end cap?
  
Post #205605426th May 2019 1:35 pm
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dgardel
 


Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025

Italy 2014 Discovery 4 3.0 SDV6 XXV LE Auto Santorini BlackDiscovery 4
Re: Air Suspension fault - C1A18-64

PROFSR G wrote:
geoffmc wrote:
Hi All,

For the past few weeks, i have had an intermittent suspension fault C1A18-64. It hasn't progressed in dropping to the bump stops, or going into limp mode and is easily reset able by switching off, locking and unlocking.

Has anyone experienced this and if so, what was the rectification?

cheers
Geoff


Reservoir valve blocked/ stuck/kaput!


Thumbs Up

from the workshop manual:

C1A18-64

The pressure increases too much quickly when the tank is filled
- Plausibility error signal

Tank valve jammed in position closed (mechanically)

Conduit pipe obstructed / damaged / crushed

Tank tube clogged air /damaged / crushed

Using the diagnostic system approved by the manufacturer,
test the operation of the tank valve (interface of the vehicle's ride height)

Check for presence of obstructions / damages / crushing of the hose conducted

Check for presence of obstructions / damages / crushing of the hose air tank
 Discovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition

IID Pro MV License

 
 
Post #205624027th May 2019 8:47 am
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dgardel
 


Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025

Italy 2014 Discovery 4 3.0 SDV6 XXV LE Auto Santorini BlackDiscovery 4

geoffmc wrote:
HI All,

so i have replaced the rear valve block and serviced the compressor (replaced the desiccant and filters) and the problem still persists, albeit very intermittently now.

Any other ideas?

cheers
Geoff


tank (it is the cylinder under the front right door,) valve and/or line, not the front or rear valve block. the valve it's inside the compressor cover.
 Discovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition

IID Pro MV License

 
 
Post #205624127th May 2019 8:51 am
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geoffmc
 


Member Since: 22 May 2017
Location: Brisbane
Posts: 3

Australia 2013 Discovery 4 3.0 TDV6 GS Auto Alaska WhiteDiscovery 4

Hi Guys,

Thanks for the suggestions, looks like i have a bit of work to do this weekend. Ill update on Monday.

cheers
  
Post #205660428th May 2019 10:44 am
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