2021 Audi A6 Software Update for DTC P0CA700, U046900

Symptoms and Diagnostic Trouble Codes

Owners of affected 2021 Audi A6, S6, S7, S8, and A7 vehicles may encounter specific Diagnostic Trouble Codes (DTCs) related to the electrical system. These codes indicate a software-related issue that requires an update. The presence of these codes signals a need for service.

Affected Diagnostic Trouble Codes (DTCs)

The following DTCs are addressed by this manufacturer communication:

• P0CA700
• U046900

The Software Update

Audi has issued a software update to resolve the issues indicated by DTC P0CA700 or U046900. This update targets the electrical system software, ensuring proper functionality and preventing these fault codes from appearing. The 2021 Audi A6 manufacturer_communication specifies this as the necessary repair.

What Owners Should Do

If you own a 2021 Audi A6, S6, S7, S8, or A7 and have experienced issues related to the electrical system or have had these specific DTCs diagnosed, it is recommended to contact your authorized Audi dealership. They can confirm if your vehicle requires this software update and perform the necessary procedure. This update is typically covered under warranty as a manufacturer communication.

Important Note

This update differs from a recall. While it addresses a known issue, manufacturers often issue technical service bulletins (TSBs) or manufacturer communications for issues that do not pose an immediate safety risk but improve vehicle performance or reliability. Owners are not typically notified directly by mail for these types of communications.

Source: NHTSA ID: 10204723