Home > Technical (L322) > Active Air suspension and HDC warning light |
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farmercowley Member Since: 10 Apr 2017 Location: weston super mare Posts: 14 |
the air suspension system seems to be going into minor fault mode, is the light on the hight change button/control coming on in the middle next to arrows? check that, also is abs light and the round arrow light coming onto dash? sounds to me like the car is losing power when your hitting bumps? must be a dodgy connection somewhere (maybe someone with more knowledge could narrow it down where) purhaps behind your EAS controll unit as its also tied to abs and HDA, also test your battery and alternator! low voltage will thru up those faults and many more will come if it is low voltage. keep me updated (y) |
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11th Apr 2017 4:04pm |
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lounge_on_wheels Member Since: 10 Dec 2016 Location: in the great land of oz Posts: 269 |
Thanks Farmercowley, we have had some real wet weather here and I did go through a large patch of water a few days ago, possibly there is water in one of the connectors. will have to pull a few things to check, Battery is reasonably new, I do have an iid tool so will check voltages and output. |
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12th Apr 2017 12:50am |
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farmercowley Member Since: 10 Apr 2017 Location: weston super mare Posts: 14 |
Yeah that could well be your issue then. Be aware that when the car loses communication with sensors/electrical components or the air suspension system it will go into a fault mode that only a diagnostics reader will be able to erase just be careful mate (y) |
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12th Apr 2017 11:36am |
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lounge_on_wheels Member Since: 10 Dec 2016 Location: in the great land of oz Posts: 269 |
I haven't had a chance to have a look as yet, but today they came on again, I connected my IID tool BT to it and it came up with a few of related errors, one was a Can bus communication error, along with others, I did hit a Kangeroo the other weeks also and it did bounce around underneath the Rangie so it might have caused some sensor wire damage, will have to check it out over Easter break, weather permitting ( Roo strike was unintentional,happened a 3.30 AM.) |
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13th Apr 2017 8:45am |
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lounge_on_wheels Member Since: 10 Dec 2016 Location: in the great land of oz Posts: 269 |
The orange light is on in the push button where the arrows are, pressing the button doesn't make the light go out] |
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13th Apr 2017 10:32am |
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farmercowley Member Since: 10 Apr 2017 Location: weston super mare Posts: 14 |
If the light won't go out by pressing it then you will need a diagnostics reader to reset the EAS |
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15th Apr 2017 11:37am |
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lounge_on_wheels Member Since: 10 Dec 2016 Location: in the great land of oz Posts: 269 |
The orange light is now off, I reset all with iidtool |
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15th Apr 2017 1:33pm |
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lounge_on_wheels Member Since: 10 Dec 2016 Location: in the great land of oz Posts: 269 |
I unplugged the ABS connector at the modulatoer and sprayed the connectipons with aerosol contact cleaner, today "touch Wood" no faults came up |
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16th Apr 2017 10:53am |
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farmercowley Member Since: 10 Apr 2017 Location: weston super mare Posts: 14 |
Perfect! It's a good feeling when it's all working again! Good luck and I hope it's fixed (y) |
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16th Apr 2017 11:39pm |
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nino_nino Member Since: 29 Mar 2015 Location: pocitelj Posts: 690 |
I use this on all of connectors. Clean connectors with contact cleaner and then apply corrosionX, works like charm.
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17th Apr 2017 10:03am |
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lounge_on_wheels Member Since: 10 Dec 2016 Location: in the great land of oz Posts: 269 |
Nope short lived, faults back again., so back to investigations |
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19th Apr 2017 2:30pm |
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UK Marine Member Since: 22 Jul 2016 Location: Durham, County Durham UK Posts: 830 |
I had a very similar fault to you and it was my ABS module. I swapped it with a used good one then had to recalibrate the steering sensor with my IIDtool as apparently the ABS module and steering sensor swap and store information and if they don't match you get a fault.
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19th Apr 2017 6:39pm |
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lounge_on_wheels Member Since: 10 Dec 2016 Location: in the great land of oz Posts: 269 |
This has some good info, the Land Rover technical bulletin on the EAS ECU fault finding
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1st May 2017 1:42pm |
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