2019-2025 Audi Overhead Camera Malfunction TSB 2055188/12

Owners of 2019-2025 Audi vehicles, including the e-tron, may experience an Audi e-tron camera malfunction where the individual overhead view cameras are inoperative or display a blurry or fogged-up picture. This issue is detailed in Audi Technical Service Bulletin 90 24 36 2055188/12, which supersedes TSB 90 24 23 dated August 29, 2024. The latest revision, 12, updated customer states verbiage, while previous revisions updated warranty information and disclaimers.

This TSB provides comprehensive diagnostic and repair procedures for technicians to address the root cause of the camera malfunction, which can be related to the cameras themselves, their video cables, or the driver assist systems control unit -J1121-.

Symptoms

Owners may notice one or more of the following symptoms:

• One or more of the overhead view camera(s) does not work (sporadically or statically).
• One of the overhead view cameras is fogged up.

Fault Codes / DTCs

When an Audi e-tron camera malfunction occurs, one or more of the following Diagnostic Trouble Codes (DTCs) may be stored in the driver assist systems control unit -J1121- (address word 00A5):

Description	Fault	Video cable signal error	Excess temperature
Front overhead view camera	B127C04	C12AE02	B127C4B
Rear overhead view camera	B127D04	C12AF02	B127D4B
Left overhead view camera	B127E04	C12B002	B127E4B
Right overhead view camera	B127F04	C12B102	B127F4B

Additionally, DTC B200FFA, indicating an "Internal malfunction (symptom 282648 or 282649)", may also be present.

Important Warnings for Owners

• Do not replace the control unit prematurely: Replacing the driver assist systems control unit -J1121- because of DTC B200FFA (Internal malfunction, symptom 282648 or 282649) will NOT fix the customer complaint. The TSB explicitly states that replacing the control unit without clear findings will not resolve the issue.
• Vehicle must enter bus sleep: During diagnostic checks, the vehicle must enter bus sleep after each step so that the overhead view camera system is reinitialized. This is a critical step to ensure accurate diagnosis and proper reinitialization of the system.

Diagnostic and Repair Procedures

Technical Service Bulletin 90 24 36 2055188/12 outlines several scenarios for diagnosing and repairing the Audi e-tron camera malfunction.

Scenario 1: Individual Camera Fogged Up or Blurry

If an individual overhead view camera is fogged up or its image is cloudy or blurry, this can be caused by deviations in the diagnostic capability of the driver assist systems control unit -J1121-, a faulty camera, a short circuit in the video cable, or water ingress. If necessary, the technician will replace the fogged or blurry overhead view camera along with its adapter wiring harness.

Scenario 2: Several DTCs for Various Cameras

When multiple DTCs related to different cameras are stored, the diagnostic process involves systematically isolating the fault. Technicians will disconnect all cameras from the driver assist systems control unit -J1121- and then connect each camera individually. After connecting each camera branch, a bus sleep cycle must be performed to reinitialize the control unit. The overhead view camera system is then activated, and the doors, hood, or trunk are operated to check if the image displays correctly on the MMI screen.

If the issue persists, technicians will inspect the coupling points and coax cables between the driver assist systems control unit -J1121- and the affected overhead view cameras (-R243-, -R244-, -R245-, -R246-) for loose connectors, pushed-back pins, corrosion, or damage. If no cause is located, further steps include swapping individual overhead view cameras or video cable connections on the -J1121- to pinpoint the faulty component.

Scenario 3: Single DTC for an Individual Camera

If only one DTC is logged for a single overhead view camera, the technician will first perform a bus sleep cycle to reinitialize the driver assist systems control unit -J1121-. The camera system is activated, and the MMI screen is checked for correct image display. If the DTC persists and is identical to the initial code, the technician will inspect the coupling points and coax cables between the -J1121- and the specific overhead view camera (-R243-, -R244-, -R245-, -R246-) for any physical damage or connection issues. If the camera itself is not the problem, the wiring can be further checked by swapping coax wires at the -J1121- side.

Warranty Information

This Technical Service Bulletin (TSB) is informational only if the vehicle is outside its warranty period. For vehicles under warranty, the following details apply:

• Service Number: 9083
• Damage Code: 0040
• Claim Comment: As per TSB 2055188/12

Labor Operations:

Labor Operation	Code	Description
Check camera	9083 0199	Bill according to time required; document all work.
Remove/Install	9083 19XX	See SRT with associated operations.
Adjust Camera	9083 1550	See SRT with associated operations.
GFF	0150 0060	Time stated on diagnostic protocol.
Charge Battery	2706 8950	See SRT with associated operations.
Remove/Install	9093 19xx	For -J1121- if removed for checks.

All warranty claims must comply with the Audi Warranty Policies and Procedures Manual.

What Owners Should Do

If you are experiencing an Audi e-tron camera malfunction with blurry or inoperative overhead cameras, it is recommended to schedule an appointment with an authorized Audi service center. Provide them with the symptoms you are observing and mention this Technical Service Bulletin 90 24 36 2055188/12. The technicians will follow the outlined diagnostic procedures to accurately identify and resolve the issue.

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Source: NHTSA ID: 10257321