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NHTSA ID Number: 11021465

Manufacturer Communication Number: TSB_2078439_1

TSB/Document Date: 2025-08-05


Summary

This TSB provides informaiton when the Audi virtual cockpit is black, or the message "Instrument cluster: fault" is displayed; DTC B200049 - Control Module faulty.


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Figure 24. Flexible film is incorrectly inserted in the connector.
Now guide the flexible film into the cable guide (see Figure 25) and insert it in the connector for the main printed
circuit board by hand (see Figure 26). Then lock the connector by hand (see Figure 27).

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Figure 25. Guiding the flexible film into cable the guide.
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Figure 26. Inserting the flexible film in the connector.

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Figure 27. Locking the connector.
Figure 28 shows how the flexible film looks when correctly fitted.

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Figure 28. Correctly fitted folded flexible film.
Repeat the procedure exactly for the second flat flexible film with blue contact surfaces (see component on the left
in Figure 20).
When installing the flexible film, make sure that the end marked with the blue dot is by the connector for the main
printed circuit board at the top.
Figure 29 shows how the flat film looks when correctly fitted.

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Figure 29. Correctly fitted flat flexible film.
Figure 30 shows how the Audi virtual cockpit looks when both new flexible films have been fitted correctly.
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Figure 30. Replaced flexible films (green rectangles).
Next refit the back cover and press on it lightly from above to engage the catches all around (see Figure 31). Make
sure that all the catches are engaged (see examples in Figures 32 and 33). The white warranty label (see Figure 33)
can be removed.

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Figure 31. Fitting the back cover.
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Figure 32. Catches for securing the back cover.

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Figure 33. Catches for securing the back cover.
Finally, plug the loudspeaker connector back in by hand (see Figure 34). Figure 35 shows how the loudspeaker
connector looks when correctly fitted.
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Figure 34. Plugging in the loudspeaker connector.

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Figure 35. Correctly fitted loudspeaker connector.
Then check that the loudspeaker cable is routed correctly (see Figure 36), correct the routing if necessary and close
the cap for the loudspeaker connection (see Figure 37).
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Figure 36. Routing of the loudspeaker cable.

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Figure 37. Cap for the loudspeaker connection.
The procedure for replacing the flexible films is now complete and the AudieBay logo virtual cockpit can be reinstalled in the
vehicle according to the instructions in the Workshop Manual.
Remove the MOST protective connector before connecting the fiber optic cable to the vehicle.
To check that the repair was successful, it is recommended to first connect the AudieBay logo virtual cockpit to the vehicle via
the connector and the fiber optic cable without installing it in the vehicle.
Run the “0017 — Flex film repair kit” function in Guided Functions for diagnostic address 0017 using the ODIS
tester. The ODIS tester must have AudieBay logo brand version 2025.06 00 (or higher) to do this.
Then check that the AudieBay logo virtual cockpit is working correctly:
+ Turn signals and hazard warning lights with sound.
+ Fuel gauge.
+ Coolant temperature gauge.
+ Battery charge level display (for hybrideBay logo vehicles).
+ Display shown.
+ No messages shown on the display, such as “Instrument cluster: fault. Limited warning messages.
Please contact workshop”.
Use self-diagnosis to check that there are no event memory entries in diagnostic address 0017.
If the AudieBay logo virtual cockpit is working correctly and there are no event memory entries in diagnostic address 0017, the
AudieBay logo virtual cockpit can be reinstalled fully in the vehicle. The repair measure is then complete.
If the AudieBay logo virtual cockpit is not working correctly or the event memory entry “B200049 — Control module faulty,
Static/active, symptom 10485833” is still logged in diagnostic address 0017, the steps performed to replace the
flexible films must be checked and corrected as necessary (e.g. flexible film not inserted in connector correctly).
AudieBay logo A&
The following procedure is only for the A8!

The two flexible films in the AudieBay logo virtual cockpit must be replaced as described below. The AudieBay logo virtual cockpit must
be removed and opened to do this.
Order the repair kit with part number 4NO 998 790 before starting the work.
The repair kit for the A8 is NOT compatible with the repair kit for the A6, A7, Q7 and Q8!
When placing the order, please make sure you use the correct part number for the affected vehicle (see also
“Parts information”).
Remove the faulty AudieBay logo virtual cockpit from the vehicle according to the instructions in the Workshop Manual.
The repair work described below for the AudieBay logo virtual cockpit may only be carried out in an environment that is
protected against electrostatic discharge (ESD). To ensure this, an earthed ESD workplace mat (e.g. VAS 6613)
must be used (see Figure 38). In addition, you must wear an ESD wrist strap (see Figure 39), and nitrile gloves (see
Figure 40) to protect you against electrostatic discharge. It is recommended to wear an ESD coat. The ESD
workplace mat must be earthed via an earthing connector and must be clean.
When performing the work described below, you must only touch the areas specified and must only do so while
wearing and using the specified ESD equipment.

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Figure 38. Earthed ESD workplace mat (example).

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Figure 39. ESD wrist strap (example).
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Figure 40. Nitrile gloves (example).
AMOST protective connector is required to protect the fiber optic cable socket against dirt (see Figure 41).
Figure 41. MOST protective connector (example).
In addition to the ESD equipment and the MOST protective connector, an assembly tool is required for the work
described below (see Figure 42). This is included in the repair kit along with a pair of gloves, a folded flexible film (in
a separate ESD bag), and a flat flexible film (in a separate ESD bag).

Figure 42. Assembly tool (example).
After removing the AudieBay logo virtual cockpit from the vehicle and unplugging the connector, fit the MOST protective
connector on the fiber optic cable socket to protect it against dirt (see Figure 41). To do so, fit the MOST protective
connector on the fiber optic cable connection (see Figure 43).
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Figure 43. Fitted MOST protective connector.
After removing the AudieBay logo virtual cockpit from the vehicle according to the instructions in the Workshop Manual, place
the AudieBay logo virtual cockpit on the ESD workplace mat.
To remove the back cover, first push the loudspeaker connector cap (see Figure 48, item 1) to the side and fold it
open as shown (see Figure 44).
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Figure 44. Removing the loudspeaker connector cap.
Then grasp the loudspeaker cable close to the connector with two fingers and hold it. With your other hand, press
the connector out of the locking element using the pointed end of the assembly tool, working alternately on each
side (see Figure 45).

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Figure 45. Pressing the loudspeaker connector out of locking element.
Remove the back cover as follows: Pull gently on the cover and simultaneously release the catches using the flat
end of the assembly tool (see Figure 46 and Figure 47) in the order shown (see Figure 48, items 2 to 9) so that
there is a small gap between the front and back covers. Then press the metal clip (see Figure 49) and lift off the
back cover.
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Figure 46. Removing the back cover.

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Figure 47. Removing the back cover.
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Figure 48. Overview of the catches for the back cover (items 2 to 9).

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Figure 49. Metal clip.
Once the AudieBay logo virtual cockpit has been opened, the flexible films (marked in red in Figure 50) must be replaced. To
do this first open the black retaining tab for the connector for the folded flexible film at the top on the main printed
circuit board with your finger (see Figure 51).
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Figure 50. Overview of the affected flexible films (red rectangles).

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Figure 51. Opening the retaining tab for connector.
After opening the retaining tab (see Figure 52), carefully lift the released folded flexible film out of the connector (see
Figure 53).
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Figure 52. Opened connector.

123

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TSB/Document ID: TSB_2078439_1

Replacement Service Bulletin Number:

MFR Communication Date: 2025-07-01

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


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