Audi E-Tron Recall R/2021/398: Components Of The Brake Pressure Unit May Corrode During The Vehicles's Service Life, Who Is Affected And What To Do
- Urgent
- How serious
- 18 Oct 2021
- Launched
- 119
- vehicles in the UK
- 47R7
- Manufacturer’s campaign code
Audi recalled E-Tron vehicles built between 6 May 2020 and 4 June 2021. Components of the brake pressure unit may corrode during the vehicle,s service life. The dealer will replace the electromechanical brake servo on the affected vehicles. You won't usually pay for it.1
What’s Wrong
Components of the brake pressure unit may corrode during the vehicle,s service life.
DVSA's Original Wording
Concern: COMPONENTS OF THE BRAKE PRESSURE UNIT MAY CORRODE DURING THE VEHICLES'S SERVICE LIFE Defect: Components of the brake pressure unit may corrode during the vehicle�s service life. Remedy: The electromechanical brake servo must be replaced on the affected vehicles.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: components of the brake pressure unit may corrode during the vehicles's service life.
The Fix
The dealer will replace the electromechanical brake servo on the affected vehicles.
Are You Affected?
E-Tron built between 6 May 2020 and 4 June 2021 may be included. Audi estimates 119 vehicles in the UK. Enter your registration to check, then confirm by VIN with Audi, because not every car in the date range may be included.
Which Car Is It?
Choose the make and model so we can match recalls to your car.
What To Do Now
- Check your car by registration above, then by VIN with Audi.
- Book with any franchised Audi dealer, quoting the campaign code 47R7 or the DVSA reference R/2021/398. See how to get a Audi recall fixed.
- Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
Related Recalls
| Launched | Vehicle and fault | Severity | Reference |
|---|---|---|---|
| E-TronReplacing brake servo | Urgent | R/2024/344 | |
| E-TronChecking high-voltage battery | Urgent | R/2024/041 | |
| E-TronChecking high-voltage battery | Urgent | R/2024/040 | |
| A4, A5, A6, A8 and 4 moreFollowing a previous campaign the toe and/or camber values on the rear axle may in certain circumstances incorrectly be changed without this being noticed | Book soon | R/2022/036 | |
| E-TronA brake servo which has a manufacturing discrepancy may have been fitted | Urgent | R/2021/306 |
This is one of 158 Audi recalls in DVSA’s data. The Audi recall launched before it was R/2021/330 on 22 Sep 2021, for function of the driver airbag might be restricted due to its age. The one launched after it was R/2022/036 on 14 Feb 2022, for following a previous campaign the toe and/or camber values on the rear axle may in certain…. You can also see every Audi recall, all recalls launched in 2021 and brake recalls across every make.
Source: DVSA recall R/2021/398, launched 18 October 2021. Data updated 15 October 2026. How we grade urgency.
Sources
- The Code does not itself say repairs are free. GOV.UK guidance says "You will not usually have to pay for any repairs or parts under a safety recall." gov.uk Checked 15 Oct 2026.