What about someone who likes to tell everyone how qualified he is how many training courses he has done, how dare anyone have a different opinion to him because he was/is main dealer this, main dealer that.
They trained monkeys to fly space craft with enuff training.

Anyone can copy and paste and post it up it's not very useful. Then to slag someone's else's post off regarding U codes is just out of order but it seems its getting the norm here.
And did the op get back to us ?? Like so many who find them selves in trouble and desperation they hop onto a forum for some help and support and never come back.

Harsh.....no.
To be fair I think the bloke is very knowledgeable and an excellent addition to the forum, most of his posts I read I learn something.
Over the years I've always wondered why you never seem to get landrover mechanics on Land Rover forums and here we have one, we get to benefit from his experience a win-win situation in my eyes
 
What about someone who likes to tell everyone how qualified he is how many training courses he has done, how dare anyone have a different opinion to him because he was/is main dealer this, main dealer that.
They trained monkeys to fly space craft with enuff training.

Anyone can copy and paste and post it up it's not very useful. Then to slag someone's else's post off regarding U codes is just out of order but it seems its getting the norm here.
And did the op get back to us ?? Like so many who find them selves in trouble and desperation they hop onto a forum for some help and support and never come back.

Harsh.....no.
I didn't see any slagging off, he just gave his experience in U codes not always being superfluous. Dunno if you 2 have got previous but this all seems a massive overreaction. He wasn't disrespectful or rude, merely offered an alternative view and backed it up with an explanation 🤷🏻‍♂️
 
Serious question as I have no idea.
What makes you say they are adjustable? I just assumed the bolts were for an after market ball joint.
The standard upper wishbone has the ball joint pressed into the casting (as the one next to the adjustable one does), the camber is set by changing the upper wishbone to one of six different parts, by making the aftermarket one with studs and the ball joint either with slots or a measured offset from the pivot point, camber adjustment becomes much easier. The point to note is that the height sensor pivot point is on the upper wishbone, therefore any change in relationship between the wishbone and the hub casting will affect ride height. Personally, I'm not convinced the height sensors are fitted correctly on both sides, a photo would prove or disprove it.
 
Googled it and now I understand

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there was an issue on discovery three and four with fitting poly bushes they were too stiff and had too much stiction caused various suspension codes to come to light.
In some cases the actual arms themselves sheared as the bushes would not flex enough.
i forgot to tell you a detail, first off its discovery 5 2017 and the polybush was for only that model as seen in photo and second after i installed the polybush i started the car without driving it and i elevated the car at high level and low level and normal high and after 2-3 mins without driving the car, just sitting in place, the display showed the suspension failure and telling that only normal level was available
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its in italian, you can translate, as i said it showed the suspension failure and telling that only normal hight was available. after thst i turned off the car and starting it again and again after 2-3 mins the problem was still there and after that i started driving. before that i was still, didn't drove at all. after driving i did the diagnosis and the error codes showed up (u2300-55, u0046-81, u2300-62, u3001-46, b1412-96). i dont think the problem was from polybush, i think it involved something else you guys are surely more skilled than me and i want some help in solving this problem, im really worried. you guys can surely help me, hope i was clear in writing.
 
Your writing is clear - but none of those fault codes relate to the air suspension. can you take photos of the height sensors and if you have it, the 4x4i screen.
 
Have you tried clearing the codes and seeing if they come back. I know nothing about the D5 but they could be old codes.
 
The installation method isn't the problem, the EAS is very tolerant of 'unexpected conditions' and will generally go back to normal operation once the system is back within limits.
Have you tried a battery disconnect / reconnect?
Do you have a picture of the 4x4i screen showing the wheel heights?
 
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yesterday i didnt slept because of this problem and i decided to take a pc where i usually use to help me in repairing and diagnose cars and i found something that i missed. in the first place using a land rover approving diagnostic system, and depressurize the air suspension and in second place removing the air cleaner and the fuel filter and in the last place i forgot to pressurize the air suspension and calibrate the suspension ride hight, as seen in the photo. i forgot this detail and i think this was the cause to show the failure system in the display, am i right?
 
I don't think that's your problem, all that would happen is the ride height would be incorrect, it wouldn't stop you changing height. Are you sure none of the air suspension lines have been trapped?
From your 4x4i screen, everything appears OK, is there any other areas of the car you've been working in? Have you checked the fuses for the suspension compressor for example?
Its very odd that there is a warning message but you're unable to find any relevant DTC's (they would begin with a C).
 

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