2021 Audi Transmission Case Leak TSB
This manufacturer communication (NHTSA ID 10185228) details repair instructions for resolving transmission case leaks in certain 2021 Audi A4, A5, A6, and Q5 vehicles. Owners experiencing leaks should consult an authorized Audi service center.
Si applica anche a
- Audi A4
- 2021
- Audi A5
- 2021
- Audi Q5
- 2021
Symptoms
Owners of affected 2021 Audi A4, A5, A6, and Q5 vehicles may notice signs of a fluid leak originating from the transmission case. This could manifest as visible fluid spots under the vehicle or a noticeable reduction in transmission fluid levels.
Diagnosis
If a transmission leak is suspected, a qualified technician will typically perform a thorough inspection of the transmission assembly. This involves visually checking for the source of the leak on the transmission case itself and assessing the extent of the fluid loss. The 2021 Audi A6 manufacturer_communication provides specific guidance for technicians to accurately diagnose this issue.
Repair Procedure Summary
This manufacturer communication, NHTSA ID 10185228, outlines the detailed steps for technicians to effectively repair a leak on the transmission case. The procedure focuses on sealing the affected area to prevent further fluid loss and ensure the proper functioning of the POWER TRAIN system. The repair is designed to be a definitive solution for the identified leakage.
Owner Action
If you own a 2021 Audi A4, A5, A6, or Q5 and observe any indications of a fluid leak under your vehicle, especially in the area of the transmission, it is recommended to contact an authorized Audi service center immediately. Inform them about the potential transmission case leak and reference this 2021 Audi A6 manufacturer_communication (NHTSA ID 10185228) for their awareness. Early diagnosis and repair can prevent more significant issues with the POWER TRAIN system.
Source: NHTSA ID 10185228
Frequently Asked Questions
- What is the 2021 Audi A6 manufacturer_communication (NHTSA ID 10185228) about?
- This manufacturer communication, NHTSA ID 10185228, provides specific repair instructions for technicians to fix leaks found on the transmission case in certain 2021 Audi models.
- What are the common symptoms of a transmission case leak in affected Audi vehicles?
- Owners might notice fluid spots or puddles under their vehicle, particularly beneath the transmission area, or a decrease in transmission fluid levels. These are key indicators of a transmission case leak.
- Which Audi models are affected by this transmission case leak TSB?
- This bulletin applies to 2021 Audi A4, A5, A6, and Q5 models that may experience a leak on the transmission case.
- What should I do if I suspect my Audi has a transmission case leak?
- If you notice any signs of a transmission fluid leak, you should contact an authorized Audi service center as soon as possible. They can diagnose the issue and perform the necessary repairs as outlined in the manufacturer communication.
What Audi A6 owners report
Counted from the records in our database across 33 model years.
- 1,665
- Owner complaints
- 55
- Recalls
- 5,316
- Service bulletins
- 64
- Crashes reported
- 71
- Fires reported
- 65
- Injuries reported
The 2021 model year
18 complaints, the 24th most of 33 model years on file. Owners reported 0 crashes, 0 fires and 0 injuries for this year, which also has 11 recalls on file.
Power Train, the system this article covers, accounts for 113 of 1,665 complaints (7%), including 2 for 2021.
Complaints by model year
| 1998 | 130 | |
|---|---|---|
| 1999 | 217 | |
| 2000 | 148 | |
| 2001 | 113 | |
| 2002 | 88 | |
| 2005 | 91 | |
| 2006 | 67 | |
| 2008 | 71 | |
| 2019 | 114 | |
| 2021 | 18 |
Most-reported systems
- Electrical System — 396
- Air Bags — 316
- Service Brakes — 161
- Fuel System — 150
- Engine — 130
Latest recalls for the 2021 model year
- 25V900000 — Back Over Prevention (Dec 2025)
- 25V201000 — Electrical System (Mar 2025)
- 23V601000 — Service Brakes, Hydraulic (Aug 2023)
Recent owner reports about power train
Read owner complaints →I was driving my vehicle when the engine surged and then a transmission warning light came on and there was an immediate and complete loss of drive power. After the vehicle glided to a stop, there was no drive transmission in either forward or reverse.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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