Audi Q4 e-Tron: Parking brake failure due to software error

07/04/2025

Audi is recalling 109,684 vehicles of the Q4 e-Tron model series manufactured between 2020 and 2023. The reason for the recall is a software error that causes parking brake failure.

At an authorised workshop, a new version of the software for the brake control unit is installed.

The Kraftfahrt-Bundesamt (KBA) monitors the recall under the reference number “14877R“. The internal manufacturer code is “454R“.

Recall details

Make:	Audi
Model:	Q4 e-Tron
Year of manufacture:	2020 – 2023
Production:	2020 – 2023
Extent:	109,684
Code:	454R
KBA publication date:	1. 4. 2025

Source: KBA 14877R (Search Rückrufcode: 454R)

⚠️ Do you know the year your car was made? You most probably don’t

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This notification is purely informative for the vehicle type you have selected. As these deficiencies often relate to specific components (engine type, bodywork, equipment), the recall may not apply to all vehicles of this type. For more detailed information on possible recalls for your vehicle, please contact an authorised workshop (see below at “What the owner should do?”).

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What should an owner do if there's a recall?

Please note that the recall may not apply to all vehicles produced in a given period. If you think your car might be affected, you should immediately contact a dealer or workshop officially authorised to perform repairs on behalf of the manufacturer and ask for the details. You can use our sample request text. After reporting the vehicle's VIN code, you will find out if the defect is present on your car, or if it has already been resolved by the previous owner if the car was purchased second-hand.

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