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Service bulletins for the 2014 Audi A8

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.

1325 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine control module are shown. Show all

Bulletins, newest first
23M6UPDATE2024-01-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. ECM Software Update (FED_EMS)
23L9UPDATE2024-01-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). ECM Software Update (FED_EMS)
Update23M62024-01-22. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. ECM Software Update
Update23L92024-01-22. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. ECM Software Update
011332203536812023-01-03. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the Reductant (AdBlue) fluid level.
001466203794912023-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). A DTC with the description ?Invalid Data Record? is stored after an ECU has been replaced or updated.
011404203536842022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.
011332203536812022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the Reductant (AdBlue) fluid level.
011404203536842022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.
011332203536812022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the Reductant (AdBlue) fluid level.
1491202884222022-08-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Customer vehicle is fitted with unauthorized ECM tuning.
1484203536832022-08-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.
1481203536822022-08-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.
26 14 22 20377702022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Software improvement with more robust onboard diagnostics. If ECM software is current or newer than below, this bulletin cannot be applied. Follow GFF instructions.
37 14 37 20371372022-05-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. Incorrect software calibration in the engine control module (ECM), J623, and transmission control module (TCM), J217. Customer may report feeling a slight hesitation or delay at 5-9 mph after accelerating from a stop.
26 14 22 20377702022-05-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. The ECM software version is older than the specified software for this bulletin. Software improvement with more robust onboard diagnostics.
A2021352043357_12021-08-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:SOFTWARE. This technical service bulletin provides a software code for correcting an issue that causes DTC P046100.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.