2022-2026 Audi Exhaust Tailpipe Corrosion TSB 2042920/2

Owners of certain 2022-2026 Audi vehicles may notice their exhaust tailpipes exhibiting signs of corrosion, rust, or excessive dirt. This condition, often appearing as a flawed coating or contamination with soot, is addressed by Audi Technical Service Bulletin (TSB) 2042920/2.

Symptoms

Owners might observe several issues related to their vehicle's exhaust tailpipes. These include:

• Corrosion/Rust: The most common complaint, indicating a breakdown of the metal surface.
• Contamination (Dirty): Excessive dirt accumulation on the tailpipes.
• Contamination (Soot): Tailpipes appearing heavily soiled with soot.
• Coating Flawed: The surface coating of the tailpipes may look damaged or imperfect.

These symptoms can affect both the left and right exhaust tailpipe trims.

Technical Background

According to Audi, the primary cause of this Audi e-tron exhaust corrosion and contamination is prolonged exposure to road salt and other aggressive substances. When these materials adhere to the exhaust tailpipes for extended periods, they can damage the surface, leading to the observed dirtiness, rust, or coating flaws.

Repair Procedure Summary

Audi's guidance for this issue focuses on maintenance rather than a repair. The service procedure involves informing the customer that regular cleaning of the exhaust tailpipes is necessary. For effective cleaning, technicians are advised to use a specific industrial contamination remover or other suitable care products designed for stainless steel.

Required Tools or Parts

To address the Audi e-tron exhaust corrosion and related issues, Audi recommends the following:

• Part Number: ABS 600 000 10
• Part Description: Industrial contamination remover
• Quantity: 1

Alternatively, any care product suitable for stainless steel can be used for cleaning the tailpipes.

Owner Action

If you own an affected Audi vehicle and notice corrosion, rust, or excessive dirt on your exhaust tailpipes, the recommended action is regular cleaning. It is important to note that Audi states that claims for this condition under warranty or goodwill are not permitted and will be rejected. Therefore, owners are responsible for the cleaning and any associated costs. Using the recommended industrial contamination remover (Part No. ABS 600 000 10) or a suitable stainless steel cleaner will help maintain the appearance of your vehicle's exhaust components and prevent further Audi e-tron exhaust corrosion.

---

Source: NHTSA ID: 11020367