2021 Audi A6 HV Battery Charging Timer Issue TSB

Symptoms of the Audi A6 Charging Timer Issue

Owners of affected 2021 Audi A6 and Q5 vehicles may experience a specific problem with the high-voltage (HV) battery charging system. The primary symptom is that the HV battery charging does not work when the timer is used. This means that if you set a schedule for your vehicle to charge, the charging process will not initiate or complete as expected. This can lead to an uncharged battery when you intend to drive.

Diagnosing the Charging Timer Problem

According to Technical Service Bulletin (TSB) 10178411, this issue specifically occurs when the charging timer function is activated. For technicians, the bulletin advises creating a PSS record if the conditions for this fault are met. If you are experiencing the Audi A6 charging timer issue, your dealership will perform diagnostic checks to confirm that the problem aligns with the conditions described in the TSB.

Repair Procedure Summary

TSB 10178411 outlines the necessary repair instructions to address the HV battery charging timer malfunction. While the specific steps are detailed for Audi technicians, the bulletin provides a structured approach to resolve the underlying cause of why the HV battery charging does not work when the timer is used. The repair aims to ensure that the charging timer function operates correctly, allowing the vehicle's HV battery to charge as scheduled.

What Owners Should Do

If you own a 2021 Audi A6 or Q5 and are encountering the Audi A6 charging timer issue, where your HV battery is not charging when the timer is set, it is recommended to contact your authorized Audi dealership. Inform them about the symptoms you are experiencing and mention Technical Service Bulletin 10178411. The dealership will be able to diagnose the problem and apply the appropriate repair as per the manufacturer's guidelines.

Source: NHTSA ID: 10178411