2022-2024 Audi A3, S3, RS 3 DTC U164300 Rearview Camera TSB

Audi has issued Technical Service Bulletin (TSB) 91 23 92 2065763/2 to address a specific diagnostic trouble code (DTC) U164300 that may appear in 2022-2024 Audi A3, S3, and RS 3 models. This TSB provides important information for technicians and owners regarding the Audi S3 rearview camera U164300 fault code.

The bulletin explains that this DTC, while present, typically does not indicate an actual problem with the rearview camera system. Owners searching for information on their Audi S3 rearview camera U164300 will find that the camera should continue to function as expected.

TSB Revision History

This Technical Service Bulletin, 91 23 92 2065763/2, was published on May 5, 2023. It supersedes the previous Technical Service Bulletin Group 91 number 22-69, dated January 21, 2022. The current revision (Revision 2) includes updated header information and added models/model years, while Revision 1 was the initial publication.

Symptoms

Owners or technicians may observe the diagnostic trouble code U164300 being logged in the data bus diagnostic interface -J533- (diagnostic address 0019). This can occur during various service events such as pre-delivery inspection (PDI), routine maintenance, a service visit, or after a reset of terminal 30. Crucially, the TSB states: "There is NO customer complaint as no functions or other electrical vehicle systems have any restrictions." This means that despite the code, the rearview camera system typically operates without any noticeable issues, and there are no messages displayed in the instrument cluster.

Fault Codes / DTCs

The primary diagnostic trouble code addressed by this bulletin is:

This DTC indicates a communication deviation related to the reversing camera control unit -J772- (diagnostic address 006C).

Diagnosis and Technical Background

The presence of DTC U164300 indicates a communication deviation within the reversing camera control unit -J772- (diagnostic address 006C). This deviation is logged in the system's memory but does not typically impact the functionality of the rearview camera. The TSB clarifies that this DTC "does not lead to a restricted function or a message in the instrument cluster. In this case, the rearview camera will continue to operate normally and this DTC should not be considered a problem." Therefore, if the rearview camera is functioning correctly, this code should generally be ignored.

Important Warnings for Owners and Technicians

Audi emphasizes several critical points for diagnosis and repair related to the Audi S3 rearview camera U164300 fault:

• "If there are no customer concerns and the RVC system operates normally, this fault should be ignored."
• "If there is a customer concern for an RVC function, this DTC should only be considered a last resort in diagnosis. In this case, another root cause is likely. Continue with normal diagnosis."
• Do NOT replace parts unnecessarily: "Replacing the reversing camera -J772- or the data bus diagnostic interface -J533- will NOT clear this DTC, even if recommended by Guided Fault Finding." This means that attempting to replace these components will not resolve the U164300 code and is an unnecessary repair.

Warranty Information

Audi states that this Technical Service Bulletin 91 23 92 2065763/2 "is informational only and not applicable to any Audi warranty." This indicates that any diagnostic time or attempted repairs solely based on this DTC without an actual customer complaint or functional issue would not be covered under warranty.

NHTSA ID: 10237731