Troubleshooting Air Suspension Error - Club Touareg Forums
 
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post #1 of 7 Old 03-07-2018 Thread Starter
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Troubleshooting Air Suspension Error

A couple of months ago I got the dreaded "Suspension Workshop" error on the dash or my 2005 V8 Touareg. When I scanned the codes I got:


Address 34: Level Control Labels: 7Lx-907-553-34.clb
Part No: 7L0 907 553 F
Component: LUFTFDR.-CDC- 3C3P1 3081
Coding: 0015521
Shop #: WSC 31414 000 00000
VCID: 36695D1C42B1E0F55F-5178
1 Fault Found:
00144 - Rear Left Dampening Adjustment Valve (N33
012 - Electrical Fault in Circuit



I haven't found a lot of information on what this might be or how to fix it. One thread alluded that it might be an issue with the Level Sensor, which I replaced (Very easy, PM me if you need help, I'll do a write up soon), but that had no impact.


Is this something that can be replaced, or does it require a full rebuild of the AIR strut?


Thanks
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post #2 of 7 Old 03-07-2018
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Quote:
Originally Posted by mattman928 View Post
A couple of months ago I got the dreaded "Suspension Workshop" error on the dash or my 2005 V8 Touareg. When I scanned the codes I got:


Address 34: Level Control Labels: 7Lx-907-553-34.clb
Part No: 7L0 907 553 F
Component: LUFTFDR.-CDC- 3C3P1 3081
Coding: 0015521
Shop #: WSC 31414 000 00000
VCID: 36695D1C42B1E0F55F-5178
1 Fault Found:
00144 - Rear Left Dampening Adjustment Valve (N33
012 - Electrical Fault in Circuit





I haven't found a lot of information on what this might be or how to fix it. One thread alluded that it might be an issue with the Level Sensor, which I replaced (Very easy, PM me if you need help, I'll do a write up soon), but that had no impact.


Is this something that can be replaced, or does it require a full rebuild of the AIR strut?


Thanks
Check the rear air strut. There is a CDC valve attached to the strut with a wire coming out of it to a connector. Check if the connector is loose or if the cable was caught by something and snapped off. Follow the wiring further away from the strut.

If the wiring and connector is all good then the CDC valve on the strut (actually part of the shock) has failed and you need to replace the shock - easier to get a complete strut.

The struts are expensive. As a diagnostic you can swap the two struts to see if the issue follows the strut (strut at fault) or stays on the original side (wiring issue)
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post #3 of 7 Old 2 Weeks Ago
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I have the same exact code..


what was the outcome?? im going to check on this as well.
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post #4 of 7 Old 2 Weeks Ago Thread Starter
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I decided it was too expensive to replace so I just left it alone oh, I'm going on a year-and-a-half with zero issues. Not sure what that sensor does but it has not impacted my ride whatsoever
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post #5 of 7 Old 2 Weeks Ago
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It's not even a sensor. Are you sure you're not confusing this with some other fault you had?
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My understand is that it was the valve at the bottom of the strut for the air suspension. Is that not the case?
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post #7 of 7 Old 2 Weeks Ago
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That valve adjust the dampening rate of the shock. That part is separate from the actual (pneumatic) "air spring" part of the system.

The air spring is what adjusts the ride height. You have a dial to select this.

The valve is what adjusts the sport - normal - comfort settings. You have a roll button to select this.

You could have a system that did just the air height, a system that just did the comfort modes, or a system that does both.

The touareg has a system that does both, but they are actually two separate systems that work together.
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air suspension , dampening , error , n338

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