2022-2023 Audi e-tron GT Brake Pedal Vibration TSB

Owners of 2022-2023 Audi e-tron GT and RS e-tron GT models may experience a specific issue with their braking system. This manufacturer communication, identified as TSB 10228715, addresses concerns related to the brake pedal feel and potential diagnostic trouble codes.

The 2022 Audi RS e-tron GT manufacturer_communication outlines a procedure for technicians to follow when diagnosing and resolving these brake-related symptoms.

Symptoms

Owners might notice specific sensations when applying the brakes, particularly at lower speeds. These symptoms include:

• A 'vibration/pulsation is felt in the brake pedal'.
• The 'brake pedal feels different' than usual.

These sensations are typically observed during low-speed braking maneuvers.

Fault Codes / DTCs

When these symptoms occur, the vehicle's diagnostic system may store a specific fault code:

• P05FF00: This Diagnostic Trouble Code (DTC) is associated with the brake system issue described in the TSB.

Diagnosis / Trigger Conditions

The conditions under which this issue typically manifests are:

• Low brake speeds: The vibration or pulsation is most noticeable when the vehicle is braking at low speeds.

Technicians will use diagnostic tools to confirm the presence of DTC P05FF00 and evaluate the brake system's performance under these specific conditions.

Repair Procedure Summary

The TSB 10228715 provides detailed instructions for Audi technicians to diagnose and repair the underlying cause of the brake pedal vibration and DTC P05FF00. While the specific steps are not detailed in the summary, such bulletins typically involve:

• Performing a comprehensive diagnostic scan to confirm the DTC and check related modules.
• Inspecting brake system components for wear or malfunction.
• Potentially applying a software update to the brake control unit.
• Adjusting or replacing specific brake components as necessary to restore proper function and pedal feel.

This procedure aims to eliminate the 'vibration/pulsation is felt in the brake pedal' and ensure the 'brake pedal feels different' symptom is resolved.

Owner Action

If you own a 2022-2023 Audi e-tron GT or RS e-tron GT and are experiencing a 'vibration/pulsation is felt in the brake pedal' or if your 'brake pedal feels different', especially at low speeds, it is recommended to schedule an appointment with an authorized Audi service center. Mentioning the 2022 Audi RS e-tron GT manufacturer_communication and the DTC P05FF00 can help the technician quickly identify the relevant service information.

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Source: NHTSA ID: 10228715