suspension fault code 0144

[pabr639]

Hi I have a 2004 cayenne , The suspension workshop warning is on.

Code 0144 damping adjustment valve n/s rear left


I have replaced the valve but still the same fault. the suspension seems to be all working fine.


Any help please


Paul

 

[YPVS]

I suppose the next suspect would be the wiring to the little hinged height sensor. Look for obvious damage or breaks, measure resistance/continuity, compared to the working side.

 

[pabr639]

Hi Thanks for that, I am suspecting a dry joint in the module, but the wiring needs to be verified first , a wiring diagram would be helpful so I could identify the pin out on the suspension module. so then I can check the wiring integrity.


Thanks Paul

 

[pabr639]

does this board look normal?

 

[YPVS]

As nasty as that looks, aren't these modules mounted vertically, so any leaky capacitors would leak down, not around?

I've seen similar brown flux residue on other modules before and they were still working. There doesn't seem to be much in the way of any bulging capacitors in the middle of the brown splodges.

It can be gently cleaned off with alcohol and say, a cotton bud.

You could try a second hand module by part number and if it doesn't work, punt it on.

 

[pabr639]

HI, If I put a secondhand one in , do they have to be coded?(programmed in)?

Paul

 

[pabr639]

It is a 2004 Does anyone have a wiring diagram for the suspension system?/. I would like to find the pin numbers on this module so I can do some tests please

 

[jl-c]

Looks to me to be perfectly normal for a PCB. Those 'stains', I think you will find are varnish which is applied to the crystals (silver eliptical things) to stop them vibrating and damaging the mounting legs.

 

[pabr639]

Fault 144 Damping adjustment valve rear left

Fault 144 Damping adjustment valve rear left, I have changed the valve and inspected the pcb board, The board was checked by a guy who repairs boards and he cannot find any problem with the board. Is there a sensor on the strut as well as a level sensor, I am not sure where to go next,

any help please

 

[deMort]

I would start by having a good look at the level sensor on the affected strut .. i've seen plenty of these with corroded pins .

This is the item that tells the CU the actual height of that strut.

The board is fine and that's normal from the image .

An overview is below ..

 

[pabr639]

Thank you very much for the help, The wiring diagrams are very helpful, Jus an update, I am hoping I have found the problem , A broken wire/wires from the strut. I am going to the breakers in the morning to get the short loom. I will let you know if we have a fix.

Many thanks, I am so grateful to you for the help.


Paul

 

[pabr639]

All fixed. It was the broken wire


Many thanks


Just the number plates to sort now :sad: