Service bulletins for the 2021 Audi e-tron
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.
1220 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: 12-volt battery are shown. Show all
| A9323332063427_5 | 2023-12-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; UNKNOWN OR OTHER. This bulletin provides information for when the high voltage battery control module reports under the wrong diagnostic address after replacement. |
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| A2723622069747_5 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information on document requirements before replacement of the vehicle 12 V battery when it is is drained. |
| A2723612067906_4 | 2023-11-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information for when DTC P0A7D00 is stored. |
| A9023912069055_2 | 2023-02-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides instructions for when the head up display does not work and/or the 12v battery may be drained. |
| Bulletin 93N6 | 2022-05-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Software Update for Battery Modules Control Unit |
| A9322682063427_2 | 2022-03-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin contains instructions for when the diagnostic address changes when the high-voltage battery charger control module is replaced. |
| A9320382060814_2 | 2020-12-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin contains repair instructions for when the range in the cluster is shown to be significantly less than the expected range. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.