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Level sensor replacement write-up


Old 03-03-2008, 06:49 PM
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Join Date: Jan 2004
Posts: 213
Default Level sensor replacement write-up

Just replaced my front level sensor that's used for the headlight auto-leveling system.

I had this warning in my dash for a while:
<img src="http://pictureposter.audiworld.com/68260/image049.jpg">

Pulling the codes from VAG gave the following:
Address 55: Xenon Range Labels: 4B0-907-357-DYN.LBL
Part No: 4B0 907 357 C
Component: dynamische LWR D05
Coding: 00001
Shop #: WSC 00000

3 Faults Found:
00776 - Level Control System Sensor; Left Front (G78)
28-10 - Short to Plus - Intermittent
00776 - Level Control System Sensor; Left Front (G78)
31-00 - Open or Short to Ground
01537 - Vehicle Level Sensor; Supply Voltage
16-00 - Signal Outside Specifications


So i bought the level sensor 66$CDN which i believe is used on many Audi model-year:
<img src="http://pictureposter.audiworld.com/68260/new_level_sensor.jpg">

Wow, the original one is out there, in the open, exposed to all the crap from the road:
<img src="http://pictureposter.audiworld.com/68260/front_level_sensor.jpg">

It's all dirty and clogged with dirt:
<img src="http://pictureposter.audiworld.com/68260/dismounted_front_level_sensor.jpg">

So i install the new one and wrap it with tape to protect the connections:
<img src="http://pictureposter.audiworld.com/68260/new_level_sensor_wrapped.jpg">

That's it. Upon start up the warning symbol is gone and the headlights adjust when i compress the suspension. It does not seem to need an adjustment, the beam is properly aimed like it was before.

Hope this helps anyone who gets this problem.


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Old 03-04-2008, 08:10 AM
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Join Date: Mar 2006
Posts: 204

where did you buy the switch
A-U-D-I 23 is offline  
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Old 03-04-2008, 09:41 AM
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At the stealer, it should've been cheaper but i didn't bother
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Old 03-24-2013, 10:05 AM
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Thanks for the wonderful write up,this helps me out a whole lot,thanks again man!!!
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Old 03-24-2013, 11:26 AM
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Join Date: Apr 2012
Posts: 32
Default Suggestions on chasing down wiring issues

I'll jump aboard this thread as I just replaced both of my sensors this weekend.

I'm hoping for suggestions regarding what appears to be bad wiring.

VAG-COM measuring blocks show a constant 4.22v at rear sensor no matter what. I can move the arm up and down and never get a voltage change.

My previous rear sensor showed a constant of 4.28v.

VAG-COM hints for that value block states "0v = bad sensor; 5v = bad wiring".

Gently moving the three wires around didn't reveal a broken wire with intermittent connection.

Any suggestions on the next step in solving this?
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