Service bulletins for the 2021 Audi A8 L e
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
872 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine are shown. Show all
| A0124302074640_1 | 2024-08-06. Service bulletin. ENGINE. This bulletin provides information when the defrost function deactivates after 5-10 seconds and/or MMI settings are lost. |
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| A9124132058769_7 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when the parking aid does not work sporadically; DTC B107BF0 or B10FCF0 stored in the driver assist systems. |
| A0124232073867_1 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM. |
| A9124132058769_7 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when the parking aid does not work sporadically; DTC B107BF0 or B10FCF0 stored in the driver assist systems. |
| A0124232073867_1 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM. |
| A2024672073032_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This bulletin provides information for when the MIL is on, DTC P148D00 and P044200; leak diagnostic pump. |
| A4024742058489_8 | 2024-03-06. Service bulletin. SUSPENSION; ENGINE. This bulletin provides information when there is a squeaking noise from the front of the vehicle while driving. |
| A1924492061918_5 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the low coolant light is illuminated but the coolant level is within specifications. |
| A9023572072065_1 | 2023-12-06. Service bulletin. ENGINE. This bulletin provides information when there are flickering lines in Audi virtual cockpit. |
| A0023712070568_1 | 2023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool. |
| A4023672047920_7 | 2023-09-01. Service bulletin. ENGINE. This bulletin provides information when there are noises from the front end and dash panel when the vehicle is moving. |
| A1523442053278_9 | 2023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when there is an oil leak from the cylinder head. |
| A102326201828810 | 2023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine. |
| A2723572058831_9 | 2023-07-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. This bulletin provides information for when there is a 48V electrical system warning; DTC P0CA700, U046900 is stored in the starter/generator control module/ECM. |
| A4023562058460_4 | 2023-06-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin advises that a small amount of coolant loss is normal. Otherwise, clean and visually inspect the coolant system in the presence of a small leak to verify if a repair is needed, and then to repair a component if it is verified to have been leaking actively. |
| A1923392070349_1 | 2023-06-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin advises that a small amount of coolant loss is normal. Otherwise, clean and visually inspect the coolant system in the presence of a small leak to verify if a repair is needed, and then to repair a component if it is verified to have been leaking actively. |
| A912394201818713 | 2023-06-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference. |
| A192336202530314 | 2023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on the discontinuation and mixing of Audi-approved engine coolants. |
| A8723382068460_2 | 2023-02-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when the air conditioning system does not cool the cabin and DTCs P053000 or P251500. |
| A2023522065287_6 | 2023-02-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM. |
| A8722352068460_1 | 2022-12-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin advises of an improved sensor to address when the air conditioning system does not cool the cabin and DTCs P053000 and/or P251500 is present. |
| A8722302067716_1 | 2022-09-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin advises that techs should document the specific o-ring seal that is replaced if a refrigerant leak is found and caused by the o-ring seal. |
| A8722242064077_1 | 2022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only. |
| A2022422065287_3 | 2022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection. |
| A2722412058831_4 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin contains a software update for DTC P0CA700 or U046900. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.