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Old 04-16-2014, 06:00 AM   #1
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Default Fault Code 00142 - Left Front Dampening Adjustment Valve (N336)

Okay I've been working on my suspension issues for over 1 month and driving a rental car is getting old and is expensive. I have:

Started with Fault Code:
01772 - Signal from Level Control Pressure Sensor (G291)
010 - Open or Short to Plus - Intermittent
Freeze Frame:
Fault Status: 00101010
Fault Priority: 3
Fault Frequency: 1
Reset counter: 199
Mileage: 187214 km
Time Indication: 0
Date: 2013.07.20
Time: 08:51:45
I replaced Both Front Struts and no change in error code.

Then I replaced Air Suspension Self Leveling Pressure Sensor and now I get this error code.

Address 34: Level Control Labels: 4E0-910-553.lbl
Part No SW: 4E0 910 553 H HW: 4E0 907 553 F
Component: LUFTFDR.-CDC H06 4480
Coding: 0015510
Shop #: WSC 02313 785 00200
VCID: 285FFED89B65635EF37-807D
1 Fault Found:
00142 - Left Front Dampening Adjustment Valve (N336)
012 - Electrical Fault in Circuit
Freeze Frame:
Fault Status: 11101100
Fault Priority: 3
Fault Frequency: 3
Reset counter: 150
Mileage: 173697 km
Time Indication: 0
Date: 2014.04.09
Time: 20:19:11

I read somewhere that the car needs to reset itself. So I should erase code and run the car but I'm hesitant to put the wheels back on and have to break it all down again. I need a little (lot of) advice. Thanks in advance.
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Old 04-16-2014, 07:23 AM   #2
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Quote:
Originally Posted by Will Perdue View Post
So I should erase code and run the car but I'm hesitant to put the wheels back on and have to break it all down again. I need a little (lot of) advice. Thanks in advance.
Yes, you need to clear the DTC's and run it.

I'd try to make sure that N336 error is taken care of first if possible.
Check connections, DeOxit perhaps.
More info here.

May be able to start the vehicle and run the suspension through each of the settings before putting it all back together to see if more codes pop up.
Somebody correct me if that idea is way off the reservation
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Old 04-16-2014, 07:28 AM   #3
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Originally Posted by Will Perdue View Post
00142 - Left Front Dampening Adjustment Valve (N336)

I read somewhere that the car needs to reset itself. So I should erase code and run the car but I'm hesitant to put the wheels back on and have to break it all down again. I need a little (lot of) advice. Thanks in advance.
That's the identical code I got when my shock went back - it would deflate instantly the second i turned the car off and I could hear it hissing during. Actually the hissing would go away or come back depending on whether i lifted that corner on a jack or not.

Replaced the shock and it went away.

http://www.audi-portal.com/en/diagno...ors_19062.html

Last edited by halik; 04-16-2014 at 08:31 AM.
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Old 04-16-2014, 07:40 AM   #4
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Quote:
Originally Posted by Will Perdue View Post
Started with Fault Code:
01772 - Signal from Level Control Pressure Sensor (G291)
010 - Open or Short to Plus - Intermittent

I replaced Both Front Struts and no change in error code.

Then I replaced Air Suspension Self Leveling Pressure Sensor and now I get this error code.

00142 - Left Front Dampening Adjustment Valve (N336)
012 - Electrical Fault in Circuit
First faulty code told you that your pressure sensor is faulty. Why did you replace your struts? It looks like one of the struts have a broken shock absorber or bad electrical connection at the top.

Put it on the ground (with wheels on ), clear the codes and check if they will come back.

Can't check anything if it is not on the wheels.
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Old 04-16-2014, 09:13 AM   #5
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Originally Posted by mishar View Post
First faulty code told you that your pressure sensor is faulty. Why did you replace your struts? It looks like one of the struts have a broken shock absorber or bad electrical connection at the top.

Put it on the ground (with wheels on ), clear the codes and check if they will come back.

Can't check anything if it is not on the wheels.
So the good news is I put the wheels back on and it went back to normal height.

I've visually checked all the connectors but could not find any that were loose or anything. The car still displays Yellow Suspension Light but I didn't have my laptop with me to clear codes since I was on lunch break so I'm looking forward to doing that this evening.

Yeah I don't know why I replaced struts first. Bone head move. Hopefully it pay off long term...well maybe it won't but I'll take that kick in the rump.

So that's where I am so far. The car is once again drivable. I took it around the block and parked it in Standard so we'll see what happens by this evening. Hopping for the best.
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Old 04-16-2014, 10:07 AM   #6
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If that electrical connection fault comes back after clearing you should disconnect harnesses and apply some contact spray, DeoxIT for example. If that doesn't help you should replace the faulty strut. I hope you have warranty. If one side is not working properly your car will act weird since the shock absorbers will have different stiffness.
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Old 04-16-2014, 10:51 AM   #7
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Originally Posted by mishar View Post
If that electrical connection fault comes back after clearing you should disconnect harnesses and apply some contact spray, DeoxIT for example. If that doesn't help you should replace the faulty strut. I hope you have warranty. If one side is not working properly your car will act weird since the shock absorbers will have different stiffness.
Thanks for all the tips and help you all provide. I'll update on progress.
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Old 04-16-2014, 09:07 PM   #8
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Thanks for all the tips and help you all provide. I'll update on progress.
Still same error, returning strut for replacement. Bummed.
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Old 04-17-2014, 02:03 PM   #9
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"Level Control Pressure Sensor" G291 is integral with the valve block, isn't it?
One sensor takes turns reading each air spring supply tube and the reserve tank, IIRC from SSP.
Looks like either bad connectior (+1 on the DeOxit), ...or a bad wire.
Did you replace the valve block, or am I way off base here.
I realize the damping valve is a separate issue from the G291 but weird coincidence.
Valve block ground?
-Tom
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Last edited by aTOMic*; 04-17-2014 at 02:20 PM. Reason: clarity
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Old 04-23-2014, 12:52 PM   #10
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Originally Posted by aTOMic* View Post
"Level Control Pressure Sensor" G291 is integral with the valve block, isn't it?
One sensor takes turns reading each air spring supply tube and the reserve tank, IIRC from SSP.
Looks like either bad connectior (+1 on the DeOxit), ...or a bad wire.
Did you replace the valve block, or am I way off base here.
I realize the damping valve is a separate issue from the G291 but weird coincidence.
Valve block ground?
-Tom
I did replace Valve Block
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Old 04-23-2014, 12:52 PM
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