Service bulletins for the 2021 Audi TTS
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.
575 on file from NHTSA, as of 2026-10-19.
About P0A7D on the 2021 Audi TTS: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0A7D are shown. Show all
| A2724712067906_5 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when DTC P0A7D00 is stored. |
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| A2723612067906_4 | 2023-11-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information for when DTC P0A7D00 is stored. |
| A2723602067906_3 | 2023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides information for when DTC P0A7D00 is stored. |
| A2723502067906_2 | 2023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the 48V battery is in a low voltage protection state and will not accept a charge; DTC P0A7D00 is logged. |
| A1722202067906_1 | 2022-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides detailed instructions for diagnosis when DTC P0A7D00 is present. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.