2021 Audi e-tron, A7, Q5 93K8 Charging Unit Update

Audi has issued a dealer communication reminding service centers about the ongoing 93K8 service action concerning the portable charging unit for certain 2021 models. This important update aims to ensure the proper functionality and longevity of the charging system. Owners of affected vehicles, including the 2021 Audi e-tron, A7, and Q5, are required to participate in this service action.

Understanding the 93K8 Service Action

The 93K8 service action specifically addresses the portable charging unit provided with your vehicle. The primary goal of this action is to change the default setting on the charging system control unit to 50%. Additionally, a warning label will be affixed to the control unit as part of the procedure. This adjustment is a proactive measure by Audi to optimize the performance and potentially extend the lifespan of the battery and charging components.

While the specific technical rationale is not detailed in this communication, such adjustments are typically implemented to optimize battery health, ensure long-term performance, or address potential conditions related to the charging process under various circumstances. The Audi e-tron 93K8 charging unit update is crucial for maintaining your vehicle's charging efficiency.

Components of the Portable Charging System

To facilitate the 93K8 service action, owners must bring their complete portable charging equipment to the dealership. This equipment, which is also illustrated in the e-tron owner's manuals, consists of several key components:

• Control Unit: This is the main intelligent component of the charging system.
• Vehicle Cable with Vehicle Charging Connector: This cable connects the charging unit to your Audi vehicle's charging port.
• Power Cable with Power Plug for Household Sockets: This cable allows the charging unit to connect to standard 120V household outlets.
• Power Cable with Plug for 220/240V Industrial Sockets: This heavier-duty cable enables connection to higher voltage outlets for faster charging.

Owner Action: Preparing for the Service

Owners of affected 2021 Audi e-tron, A7, and Q5 vehicles must schedule an appointment with an authorized Audi dealer. It is critical to ensure that all parts of your portable charging equipment are present when you bring your vehicle in for service. The dealer communication explicitly states: "charging equipment must be present in order to fulfill the this repair."

Specifically, you will need to "bring the charging equipment that came with your vehicle, including: (1) the control unit, (2) the vehicle cable with vehicle charging connector, (3) the power cable with power plug for household sockets, and (4) the power cable with plug for 220/240V industrial sockets." This ensures the dealer can perform the necessary update to your Audi e-tron 93K8 charging unit and apply the warning label correctly.

Repair Procedure Summary

During your service appointment, an authorized Audi technician will perform the following steps:

1. Change Setting: The technician will adjust the setting on the charging system control unit to a 50% default. This is a software-based modification.
2. Attach Warning Label: A warning label will be securely attached to the control unit of your Audi compact charging system.

This procedure is part of a service action and should be completed by an authorized Audi dealer. The process is designed to be straightforward, provided all required charging components are available at the time of service.

Important Information for Owners

Audi is committed to providing a seamless experience for customers. Therefore, it is essential to remember that the service action cannot be completed if any part of the specified charging equipment is missing. Please gather all four components of your portable charging system before your scheduled appointment to avoid delays.

Owners are not being individually notified by Audi for this specific dealer communication, but the information is outlined in the letter sent to all affected customers, serving as an important guideline when setting appointments. If you own a 2021 Audi e-tron, A7, or Q5, it is recommended to contact your local Audi dealer to schedule this important service.

NHTSA ID 10210516