Service bulletins for the 2011 Audi A3
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.
853 on file from NHTSA, as of 2026-10-19.
About P0401 on the 2011 Audi A3: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: P0401 are shown. Show all
| A0123682064398_3 | 2023-09-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides information for when the MIL is on and DTC P040100 is stored in the ECM. |
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| A0123632064398_2 | 2023-08-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the MIL is on and DTC P040100 is stored in the ECM. |
| A0123602064398_1 | 2023-08-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the MIL is on and DTC P040100 is stored in the ECM. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.