2021 Audi A6 Engine Stalling and Rough Idle TSB

Owners of the 2021 Audi A6 may experience an issue where the engine does not run smoothly or may even stall. This condition is specifically noted to occur when the vehicle is idling, such as when stationary or just before coming to a complete stop. This manufacturer communication, identified by NHTSA ID 10185255, addresses this concern.

Symptoms

Owners might notice that their 2021 Audi A6 engine is "engine may not run smoothly" during certain operating conditions. In more severe, though rare, cases, the "engine may even stop running" entirely. These symptoms are most likely to manifest when the vehicle is at idle.

Diagnosis / Trigger Conditions

Internal research indicates that the issue of the 2021 Audi A6 engine stalling or running roughly is directly related to a non-optimal control of the camshaft adjuster. The problem primarily occurs when the engine is idling, which includes situations where the vehicle is stationary or decelerating to a stop.

Important Warnings

Audi's communication notes a crucial detail for owners: if the engine does stop running, "it is possible to restart the engine at any time afterwards." This indicates that while inconvenient, the stalling event does not prevent immediate engine restart.

Repair Procedure Summary

While specific repair steps are not detailed in the summary, the manufacturer communication (NHTSA ID 10185255) points to the camshaft adjuster's control as the root cause. Typically, issues related to engine control and component optimization are resolved through software updates or adjustments performed by an authorized Audi service center. Owners experiencing these symptoms should contact their dealership for diagnosis and the appropriate remedy.

Owner Action

If you own a 2021 Audi A6 and are experiencing the engine not running smoothly or the engine stalling, particularly at idle, it is recommended to schedule an appointment with an authorized Audi service center. Inform them about the symptoms you are experiencing, referencing the manufacturer communication NHTSA ID 10185255. They will be able to diagnose the issue and apply any necessary updates or repairs to address the non-optimal control of the camshaft adjuster.

Source: NHTSA ID: 10185255