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2006-2009 Range Rover MkIII / L322
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14 Posts
Discussion Starter #1
I have searched the forums for a good hour or two, and haven't seen anything that answers my question.. So here is my question. How likely is it for all 4 ride sensors to go bad at once? None of my wheels are bouncing on the 4x4 menu. BUT in my code reader I have 0 inches on all 4 ride sensors. I also have 2 codes, but no codes pointing to my sensors being bad. I have " C1A00-54 " and " C1A20-64 " Which translates to "Control module" (54) and "Pressure increases too slow when filling reservoir" (64) I am not sure which part is bad here? What is causing my suspension to not raise/lower. The back of my SUV is pretty low (after jacking up and changing the wheels), and every once in a while I will get an error "Suspension fault" or "Vehicle lifting slowly" the height adjuster in the center does not work anymore. And my vehicle has not moved from its current height after changing my wheels for almost 2 months now. So nothing is leaking I know that. I can hear the compressor (Maybe?) randomly turn on sometimes if I am outside doing something and I am near my rover. Any ideas where to start? Here are pictures of what I see.

Anything else you may need to know, or need pictures of anything else to help me find this issue just let me know. I would be glad to provide additional information if needed.








 

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Registered
2002-2005 Range Rover MkIII / L322
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274 Posts
Does your tool have component activation option where you can turn on compressor and check the values? Is your vehicle on the bump stops? It looks like height sensors are getting powered (4.92V) but either not returning any height back, or the suspension is completely deflated.
 

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Registered
2006-2009 Range Rover MkIII / L322
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14 Posts
Discussion Starter #3
Does your tool have component activation option where you can turn on compressor and check the values? Is your vehicle on the bump stops? It looks like height sensors are getting powered (4.92V) but either not returning any height back, or the suspension is completely deflated.
Yes. I was doing a lot of research and it looks like it may be my compressor because of code "64" When I get off work I am going to force the compressor on and see the output. The rear is sagging, but not on the bumpstops. the front is completely fine.
 

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Registered
2006-2009 Range Rover MkIII / L322
Joined
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14 Posts
Discussion Starter #4
Yes. I was doing a lot of research and it looks like it may be my compressor because of code "64" When I get off work I am going to force the compressor on and see the output. The rear is sagging, but not on the bumpstops. the front is completely fine.
I have forced the compressor on and I did not hear anything/see the rear raise. I am going to remove all the stuff that blocks the compressor and force it on and put my hand on it and feel and see if it's working. If not i'll have to replace it. Does anyone know which is the best compressor to replace it with? I am not looking for crazy expensive, as I plan to only keep it for about a year again and upgrade to a newer one.
 
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