2021-2022 Audi Overhead View Camera Inoperative TSB

Audi Technical Service Bulletin (TSB) 2055188/4, revised on April 20, 2022, addresses common problems with the overhead view camera system in various 2021-2022 Audi models. This bulletin supersedes TSB Group 91 number 20-17, dated October 15, 2020. The TSB provides diagnostic and repair instructions for situations where an Audi e-tron camera inoperative condition is present, or the camera picture appears blurry or fogged up, often accompanied by specific Diagnostic Trouble Codes (DTCs) stored in the driver assist control module.

Symptoms

Owners of affected 2021-2022 Audi vehicles may notice one or more of the following issues related to their overhead view cameras:

• "One of the overhead view cameras is inoperative."
• "One of the overhead view cameras is fogged up."
• The picture from the overhead view camera appears blurry.

These symptoms indicate a potential malfunction within the driver assist system, specifically impacting the functionality of the overhead view cameras. If you experience an Audi e-tron camera inoperative message or visual distortion, it is important to have your vehicle inspected.

Fault Codes / DTCs

When an overhead view camera issue occurs, one or more of the following DTCs may be stored in the J1121 control module for driver assist systems (address word 00A5):

Description	Faulty	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 (internal malfunction) may be stored with symptom code 282648 or 282649.

Important Warnings

Audi explicitly states that replacing the control module for driver assistance systems (J1121) will not resolve the DTCs mentioned above. Technicians should follow the diagnostic steps outlined in this bulletin rather than replacing the J1121 control module directly.

Diagnosis and Repair Procedure Summary

The TSB outlines different diagnostic and repair scenarios based on the nature of the camera issue:

Scenario 1: One DTC logged for one overhead view camera

1. Perform a bus sleep cycle: This helps reinitialize the control module and cameras.
2. Check wiring harness: If the DTC persists, inspect the wiring harness between the J1121 control module and the affected overhead view camera (R243, R244, R245, or R246) for loose/unplugged connectors, loose/pushed-back pins, corrosion, or damage.
3. Rule out faulty components: If no visual cause is found, swap a new camera with the affected one to check if the camera itself is faulty. Alternatively, plug the video cable of another camera into the affected port on the J1121 control module to rule out a faulty video cable. The connector housing of the video cable must be removed for this step.

Scenario 2: Several DTCs stored for the overhead view cameras

When multiple DTCs are logged, it indicates a broader issue where a single faulty overhead view camera, a short circuit in the video cable, or water ingress can lead to a partial or complete failure of the Topview camera system. In this case, technicians should proceed with the diagnostic steps outlined in Scenario 1 to identify and repair the defect.

Scenario 3: Blurry picture

If the overhead view camera displays a blurry picture, the recommended repair is to replace the adapter wiring harness to the camera and the fogged-up overhead view camera.

Note: A bus sleep cycle is required between each step of the checks to reinitialize the control module and cameras.

Required Parts

For repairs involving the front area camera connector housing, part number 4L0035576K (Connector housing for front area camera) may be required. Fasteners, bolts, nuts, and screws should be obtained as needed per the repair manual. Always check with your Audi Parts Department for the latest information and part availability.

Owner Action

If your 2021-2022 Audi vehicle is experiencing an Audi e-tron camera inoperative condition, blurry camera images, or if you suspect any related issues, it is recommended to schedule an appointment with an authorized Audi dealership. This TSB provides specific diagnostic and repair procedures that your dealer's technicians are trained to follow. Warranty coverage for this repair is generally available for up to 48 months or 50,000 miles, whichever comes first. For CPO (Certified Pre-Owned) vehicles, coverage is G10, subject to owner verification. If your vehicle is outside of warranty, this Technical Service Bulletin serves as informational guidance for diagnosis and repair.

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NHTSA ID: 10210531