Audi A8 air suspension basic settings

Here's an Audi A8 4H2 with air suspension, and the level sensor on the rear right side was defective.

Address 34: Level Control (J197)
Label file: . DRV\4G0-907-553.clb
Part number SW: 4H0 907 553 E, Part number HW: 4H0 907 553.
Component: AIR DAMPER H17 0099
Encoding: 008003
Operating number: WSC 02391 785 00200
ASAM Dataset: EV_AirSuspe 003024
ROD: EV_AirSuspe_VW51.rod
VCID: 2E04F3226096CFCB2DF-807A

Sure, here is the translation of the text from German to English:

"1 error found:"
198410 - Rear right-hand side vehicle leveling sensor.
C1037 15 [009] - Interruption/Short circuit after positive terminal.
confirmed - checked since last deletion.
Environmental conditions:
Error status: 00000001
Error priority: 2
Error frequency: 1
Lost Count: 215
Mileage: 223,818 km
Date: 2021.09.12
Time: 16:39:23

"Bought a new sensor, installed it in jack-up mode, and the error was gone, but the wheel was lifted very high."

I then tried to perform a basic adjustment using VCDS, but it didn't work; it kept giving me an error message about the incorrect sequence. Then, I released the air from the rear axle in the 34-level adjustment, and it became level, but when I inflated it on both sides, it rose all the way to the top. I then tried to re-initialize the level regulation, which was probably a mistake because all the height settings were lost, but the encoding was still at 8003, which is correct.

No matter which approach I choose for the customization, it always complains about the wrong order. Since all the heights are gone - which is stupid - I can't enter any new ones.

Do you have a specific guide on how to make this setting using the latest version of VCDS? Even the basic settings in the adaptation process are complaining about the incorrect order.

Current errors:
Tuesday, September 14, 2021, 4:51:07:06315 PM.
VCDS version: RKS 21.3.0 is running on Windows 10 x64.
https://shop.dieselschrauber.org/en

Address 34: Level Control
Label file: DRV\4G0-907-553.clb
Control unit part number: 4H0 907 553 E. Hardware: 4H0 907 553.
Component and/or version: LUFE-DAMPER H17 0099
Encoding: 008003
Operating number: WSC 00000 000 00000
ASAM Dataset: EV_AirSuspe 003024 (AU64)
ROD: EV_AirSuspe_VW51.rod
VCID: 2E04F3226096CFCB2DF-807A
3 error codes found:

367877 - Rule not learned.
C1044 00 [009] - -
confirmed - checked since last deletion.
Environmental conditions:
Error status: 00000001
Error priority: 2
Error frequency: 1
Lost Count: 215
Mileage: 223,828 km
Date: 2021.09.14
Time: 16:25:53

266752 - Control unit not coded.
U1013 00 [009] - -
confirmed - checked since last deletion.
Environmental conditions:
Error status: 00000001
Error priority: 2
Error frequency: 1
Lost Count: 215
Mileage: 223,828 km
Date: 2021.09.14
Time: 16:25:53

38144 - No band-aid programming is being performed.
B2013 00 [009] - -
[No band termination programming is performed (factory default setting)].
confirmed - checked since last deletion.
Environmental conditions:
Error status: 00000001
Error priority: 2
Error frequency: 1
Lost Count: 215
Mileage: 223,828 km
Date: 2021.09.14
Time: 16:25:53



I don't know what to do anymore, and I want to go on vacation this Friday...

It always shows an ERROR: Incorrect request order.




Best regards, Matthias.

Hi,

https://www.ross-tech.com/vag-com/cars/levelcontrol.html
Have you read it yet?

What happens when you enter the security access code and wait in the front left area until the car stops changing its height?

Best regards, Rainer.

Have you compared your coding before and after the repair regarding this issue? Is it identical?

What happens if you follow the link that Rainer mentioned?

Thank you for the feedback.
My problem is that VCDS offers me a different unlock code, which is also accepted. Then, the option to read the information here is not available in the settings. I'm familiar with Rainer's article from my experience with a Phaeton, where the same code works. The A8 4H2 is unfortunately not listed.

Unfortunately, I don't know if I cleared the control unit with the default settings, which is why the option isn't being offered. Other articles state that only Audi can reprogram it with factory online access.

Thank you, Matthias.

matthias.stender wrote:

Unfortunately, I don't know if I cleared the control unit with the default settings, which is why the option isn't being offered. Other articles state that only Audi can reprogram it with factory online access.

Normally, you can't delete anything with a default setting. I understand from your response that you didn't save the original coding before the repair, and therefore you don't have a baseline for comparison.

Hi.
I tried the Tuareg code, but it didn't work.

Therefore, I'm going to document the errors by taking screenshots and saving them as a PDF file.
The option to read this information is not available in the VCDS software at that location.

Best regards, Matthias.

matthias.stender wrote:

Hi I tried the Tuareg code, but it didn't work. Therefore, I'm going to document the errors by taking screenshots and saving them as a PDF file. The option to read this information is not available in the VCDS software at that location. Best regards, Matthias

Login Code or Security Access, neither of which has anything to do with the coding of the control unit.

Do you have an old vehicle scan report?

The coding process before replacing the position sensor is exactly the same as it is now. However, programming the vehicle's ride height is not possible because it complains about an incorrect command sequence. In the last scan, the coding was exactly the same as it is now, but it did not include the programmed height values for the sensors. This is currently the issue – it doesn't accept the commands, probably because an implausible signal is preventing the programming. I guess I'll have to go to Audi after all...
Best regards,
Matthias.

Can you re-enter the altitude readings using the faulty sensor? What kind of sensor did you install (original or aftermarket)?

Hello,
I've now taken the vehicle to Audi - it needs to be working again by Friday. Right now, it's only lifting up at the rear, so I couldn't test the sensor anymore...

Thank you for your feedback. I will post the final result once I know it.

Best regards, Matthias.

Occasionally, reports surface of incorrect installation of the level sensor, where the rod can be mounted rotated by approximately 180 degrees. This can occur when the sensor is equipped with a fixed arm to which another rotating arm is attached.

For example, let's say the sensor is located below, and the movable point is directly above it. Now, the fixed arm can either be mounted "to the right" and the movable arm can then be extended upwards from there, or the fixed arm can be mounted "to the left" and the movable arm can then be extended upwards from there.

In most newer vehicles, the design now prevents incorrect installation. I cannot determine whether that error is still possible with your A8 4H.

Regards,
Guste.

Thank you for the feedback.

Audi couldn't manage it, so I took care of it myself in a three-hour overnight operation. After many attempts and adjustments to the vehicle, I was able to manually program the heights into a usable range, ensuring they were in the correct order. It continued until he reached a "badger track," after which he lowered the suspension again and the system went into error mode.
I had ordered the correct sensor, but apparently received one for the left side instead of the right. Since the only difference was in the adapter that connects to the control arm, I simply clipped it onto the old ball joint and adapter. Currently, the vehicle has been at Audi for three days, and they haven't been able to fix it. I will order a new right sensor and try calibrating the suspension again - I will keep you updated.

Best regards, Matthias.

Hello everyone,
I'm experiencing the same problem, even after replacing the vehicle level sensor.
Address 34: Level adjustment Label file: DRV\4G0-907-553.clb
Control unit part number: 4H0 907 553 B. Hardware: 4H0 907 553.
Component and/or version: LUFE-DAMPER H16 0095
Encoding: 008000
Operating number: WSC 02311 785 00200
ASAM Dataset: EV_AirSuspe 003017
ROD: EV_AirSuspe_VW51.rod
VCID: 2B55B2AB420539D346-807E
The exact same errors are stored in the control system, and due to these errors, it is not possible to establish a stable operating condition.
How did it end? Was there a solution?

Hi.
Ultimately, I replaced the sensor with a new one. The one that was delivered was for the other side and therefore provided incorrect readings. With the new permission level, I was able to correctly set the "according to manual" option, as specified in the wiki.

Analyzing suspension settings with VCDS.
All information is provided without guarantee, and you are solely responsible for any use of this application.
Requirements.
Starter battery fully charged and in good condition.
Regarding the vehicle settings, the mode is set to "Auto" and not to "Dynamic" or "Comfort".
The vehicle should be parked on a level and even surface. (Ideally, a parking space with good lighting would be suitable.)
Wheel change mode is disabled.
The driver's side window is down.
Ignition is on. The VCDS adapter is connected to the vehicle's diagnostic port.
All the doors of the vehicle are closed and remain closed throughout the entire procedure.
A wired VCDS adapter is connected to the computer through the open access panel.
Execution.
Start VCDS > Select control unit address 34 > Select "Adaptation" (10).
Now, access each adjustment channel one by one and record the values.
1. Body height, front left wheel arch edge.
2. Body height, rear left fender edge.
3. Body height, front right fender edge.
4. Body height, rear right fender edge.
Now, measure the actual distance between the edge of the fender and the center of each wheel on all four wheels using a suitable measuring tape, and then add the desired amount of lowering to each measurement and record the result.
It means that a measurement was taken on a wheel, for example, 383 mm, and then 17 mm was added, resulting in 400 mm.
Perform the same calculations on the remaining wheels.
The vehicle will then sit 17 mm lower.
A lowering of more than 17 mm can restrict the functionality of other systems, such as adaptive cruise control or certain cameras.
The range extends up to 416 mm.
Now, select "Access Permissions" (16):
and enter the authorization code "20103" and confirm with "OK".
Now, select the default setting (04):
Warning! Never execute "Reset all settings"! Reversing this setting would not be possible with VCDS!!
"Select 'Enable level regulation' and click 'Start!'"
This step will eventually fail with the message "not running" and can then be stopped by pressing the "Stop!" button.
Next, select "Delete level adjustment calibration" and click "Start!".
This step will also be indicated by the message "not running," and will be completed by pressing the "Stop!" button.
The following error message, "Air suspension error," is normal and can be ignored.
Now, select "set reference level" and start the process by pressing "Start!".
Under no circumstances should you execute the "reach reference level (production)" function.
The compressor is running, and the vehicle is now changing its height, moving up and down.
After approximately one minute, this step will be completed with the message "not running."
Click the "back" button, then go to "Adjustment" (10), and in the following channels, enter the new values you previously noted, one after the other (e.g., the measured value plus 17mm).
Proceed in the following order.
• Body height, front left fender edge: 415.
• Body height, front right fender edge: 415.
• Rear left wheel arch height (body): 405
• Rear right wheel arch height (body): 405.
1BK standard running gear:
Specification, front axle = 410mm.
Specification, rear axle = 405 mm.


After each entry of the "new value," "accept" and "save" it.
A message should appear each time indicating that the control unit has accepted the new value.
After completing these steps, go back to "Default setting (04)".
"Now, select 'Calibrate level regulation' and start it with 'Start!'. Wait for the message 'running', and then complete the step by pressing 'Stop'."
Select "Activate level regulation" and start the process by clicking "Start!". Wait for the message "not running" and then complete the step by clicking "Stop".
Now, clear the error codes from all the control units.

The procedure is complete after a test drive, followed by a second measurement of the actual heights at all four wheels, and a "four-wheel alignment" performed on a suitable testing platform.

Thank you for the quick response.
I'm having a problem where the entire process in VCDS is being interrupted at the last step due to some kind of security error.
I've also tested it with the helpful user who was experiencing the same issue, where the process also fails at the last step with the error message "Calibration of the level control function was interrupted." I don't know where else to look.
Besides the error "control position not learned," no other errors are stored in the control unit.

The new sensor caused the error – the old one had interruptions. The left and right sensors are different, both in part numbers and can also be mounted incorrectly. Because the level sensor then provides implausible values, nothing can be programmed. I would obtain a correct level sensor again. Mine cost less than 20 €, and the dealer spent an entire day trying to fix the problem without success – I had obtained and installed the wrong sensor, so there was nothing they could do about it. And it didn't throw any errors either, because it only checks the connection and not the plausibility of the values in the control unit. I think I still have one left...
Best regards, Matthias.