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: Brakes are shown. Show all
| TSB_2072304_4 | 2026-09-04. Service bulletin. SERVICE BRAKES. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal. |
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| TSB_2069078_4 | 2026-09-04. Service bulletin. SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only). |
| TSB_2069904_2 | 2025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information for all models regarding brake sounds. |
| TSB_2075120_2 | 2025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information regarding the general approach for all Audi vehicles regarding brake vibrations. |
| TSB_2072304_3 | 2025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal. |
| TSB_2069078_3 | 2025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only). |
| TSB_2067132_3 | 2025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information when there is corrosion on the friction survace of steel brake discs. |
| TSB_2078475_1 | 2025-08-05. Service bulletin. SERVICE BRAKES. This bulletin provides information when ther eis thermal deformation on the vacuum line to the brake servo. |
| A4624592069078_2 | 2024-10-28. Service bulletin. SERVICE BRAKES. This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes. |
| A4524492075120_1 | 2024-10-28. Service bulletin. SERVICE BRAKES. This bulletin provides information regarding the general approach to brakes rubbing. |
| A4523362072304_1 | 2024-01-04. Service bulletin. UNKNOWN OR OTHER; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; ELECTRICAL SYSTEM:ADAS:HILL DESCENT ASSIST:SENSOR. This bulletin provides information for when the ABS/ESC speed sensor has an implausible signal. |
| A9023532058077_8 | 2023-12-06. Service bulletin. SERVICE BRAKES; BACK OVER PREVENTION: WARNINGS. This bulletin provides information for when there is a warning, warning jolt and/or brake engagement with Audi pre sense. |
| A4623522054385_3 | 2023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information for when the brakes creak at an almost standstill. |
| A4623512051095_8 | 2023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information on brake pulsation diagnostic guidelines. |
| A462350202258412 | 2023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information on brake pulsation diagnostic guidelines. |
| A4623492067132_2 | 2023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information on for when there is corrosion on the friction surface of a steel brake disc. |
| A462348203418124 | 2023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information on brake noise analysis and handling. |
| A9023312058077_7 | 2023-08-04. Service bulletin. SERVICE BRAKES; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. This bulletin provides information for when an unexpected Audi presense front intervention such as a front end warning, a warning jolt, partial braking, or emergency braking occurs and a warning appears in the instrument cluster and audibly. |
| A4623452070679_1 | 2023-07-10. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. This bulletin provides information for when one or more DC is stored in the ABS control unit related to the parking switch; DTC C100C07 and/or C100C29. |
| A4623432069904_1 | 2023-05-05. Service bulletin. SERVICE BRAKES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER. This bulletin provides information for when there are noises when braking, and the brake pad thickness is OK. |
| A9023112058077_6 | 2023-04-06. Service bulletin. SERVICE BRAKES. This bulletin provides instructions for when the customer is concerned about unexpected Audi pre sense front intervention such as an Audi pre sense front warning, front warning jolt, front partial braking, or an audi pre sense emergency braking. |
| A462341203418123 | 2023-03-06. Service bulletin. SERVICE BRAKES. This bulletin provides instructions for brake noise analysis and handling. |
| A462234203418122 | 2022-09-01. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise. |
| A4722122055646_3 | 2022-07-01. Service bulletin. SERVICE BRAKES. This bulletin contains repair instructions for when the vehicle sporadically does not start and there is a hard brake pedal concern. |
| A9021032058077_5 | 2021-06-03. Service bulletin. EQUIPMENT; SERVICE BRAKES. This bulletin contains instructions for determining unexpected Audi presense interventions. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.