HELP!!!! Inactive Suspension that wont go back up...

[James 4.8is]

Thanks for the info Igosal. I have found & read this as well from that site. I have it saved to "My Favorites"! To Gelafont, Do you know wich program your friend used to hook up to the OBDII? I have Auto Enginuity 7.4 and it doesn't work on my x5 (Works on my E39)! My friend has Car Soft (6 something) and he too can not hook up to my X5! But I have been to BMW a couple of times and they used the GT1 & OPS with no problums. So I would like to know what he used. Can you ask him. PLEEEAASSSSEEE!!! Lol...

[igosal]

Gelafont, how is it going? Is it still running fine for you? If yes, then I'll take my X5 to a local mechanic and get the ECU cleared. Maybe my issues will be resolved too. My X5 has not lowered in the past 4 days now. But the switch is still not working. It blinks and then stays there. It was intermittent before and used to go to the lowest settings sometimes overnight. It hasn't done so in the past 4 days now though....

Originally Posted by gelafont

Sorry for the late response. I tried just about everything you guys did there. it was to no help. So, I took it to the dealer and explained exactly what went wrong and for them to clear and reset the module. They came back telling they tested all individuals components and all are okayed except for the module that is unresponsive. And it needed to replace for them to fix. They quoted me $989 for the ECU II module plus labor and to reprogram it which would total for $1400 and done--btw the module costs cheaper from Alabama dealer. I needed a second opinion, I declined the work with the stealer--paid the 200+ for diagnostics, yea they claimed they put more hours; and took the car back and have my friend scan it with an aftermarket tools. After many attempts, he was able to clear/reset the ECU module--pump kicked in, and pumped all 4 airbags, the message from dash is cleared, and the suspension button is lit and at Normal level. I was able to raise/lower it. However, I noticed the passenger rear one is not fully back to normal. I suspected that rear bag may have pinched from the back and forth driving from the stealer.
I will keep you guys posted... tks all!!!

[gelafont]

Hi James 4.8is, sorry the late replied. I wasn't unable to reply earlier because I'm out on a short trip with the family since Thursday afternoon with no laptop. While on the road i contacted my friend a few times on the scanner name and model for you. Being the scanner wasn't his, and he returned it. He has to call the friend who hasn't returned his call back yet. But I promise as soon I heard from him sometimes today, I will logon on that painstaking phone again to post the info for you.
Btw, he still has the car. And it hasn't lost any air on any of the airbag even the from the passenger rear one which he managed to push more air in after he found the cause for that rear one being low was due to a slow leak found from the right rear canister during the moving of the pump back and forth during diagnostics.

[gelafont]

James4.8is and all
Finally, I got the info on the tool. Providing there are no malfunction on any of the components of the suspension system. This was the tool (Autoboss V30 Auto scanner) used to help reset the module and allowed the system to be functional again. My friend called and confirmed suspension is fully operional and driving nicely and no errors on dash. Good luck all!!

Link to the actual tool
Autoboss V30 Auto Scanner | Autoboss | SPX

[James 4.8is]

Thanks for your help gelafont!

[drgeeforce]

I had this intermittent problem awhile back 1st time I took it back under warranty, they replaced a ball jt because they said the geometry was screwed up the computer shut down. then 2nd time they said the airshocks were leaking. $3000 not under warranty.
Now a third time they claim the EHCII unit is bad. Mind you my X5 is 5 years old.

[mywidebody02]

@ gelafont had the same issue after pulling a fuse. I would say that by lifting it and putting it in gear while the x was off the ground triggered the fault. I had to clear the fault and then recode my module and have been good since.

[Kev's X5]

dealer has 4 new bags units/sensors/lines/software flashed 6 times/ now a new control module going in. I think they are in it about $8500. i would have been happy with KW coil over set up. would have been cheaper and never have the problem again. thanks cpo....

[igosal]

Continuing with my issue. For four days, my X5 was not used and it didn't lose any height on either of the sides. But yesterday, I took it for ride and it was again sitting on lowest setting in the mall's parking. It is definitely not a leak and has to do something with module. I'll start asking Indy shops if they have Autoboss V30 Auto Scanner to reset the module. I'll let you all know of the progress.....

[khaledhajj]

Hi Guys,

First of all the ECU has nothing to do with it. Rather it is the HCU. Aparently it deactivated once you elevated the car and it got too much reading from the level sensors (you got one for each wheel). Moreover, when you run the car while elevated other systems will be affected which are linked to the HCU, wheel speed sensors etc.. like ABS, SRS, traction control. But some systems will return to normal state once the car is put on the ground and driven for a short while since they begin to pick up the correct readings again. But unfortunately, some which has precautionally deactivated completely (you can notive the button, on the left side of the steering wheel, of the Heigth control not lit. this has to be reactivated by a diagnostic tool. And hopefully it will return to normal. It is better not to drive the car while the air cushions are deflated coz this might damage thw rubber. if this does not work (God forbid) then search for a level sensor which has bent or displaced. Good luck. Khaled