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Service bulletins for the 2016 Audi A6

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.

1018 on file from NHTSA, as of 2026-10-19.

About P0451 on the 2016 Audi A6: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0451 are shown. Show all

Bulletins, newest first
A2022412050276_72022-03-04. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin contains repair instructions for when the customer has problems filling the fuel tank and DTC P045100, P044100, P202500, and/or P045300 is present.
A2020262050276_62020-05-07. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin contains repair instructions for when the customer has problems filling the fuel tank and DTC P045100, P044100, P202500, and/or P045300 is present.
A2020252050276_52020-03-05. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for when the customer has problems filling the fuel tank and DTC P045100, P044100, P202500, and/or P045300 is present.
A2019242050276_42020-01-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the customer has problems filling the fuel tank and DTC P045100, P044100, P202500, and/or P045300 is present.
A2019232050276_32019-12-06. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin contains repair instructions for when the customer has problems filling the fuel tank and DTC P045100, P044100, P202500, and/or P045300 is present.
A201899 2050276_2018-04-16. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin contains repair instructions for when the customer has problems filling the fuel tank and DTC P0451 or P0441 is present.
A201897 2050276_2018-04-16. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin contains repair instructions for when the customer has problems filling the fuel tank and DTC P0451 or P0441 is present.
A201662 2043333-2017-10-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. The MIL is on due to DTCs P045100 (Evaporative Emission System Pressure Sensor/Switch Range/Performance) being present in the ECM.
A201660 2043333-2017-10-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. The MIL is on due to DTC P045100 (Evaporative Emission System Pressure Sensor/Switch Range/Performance) being stored in the ECM. Various parts have been replaced under warranty for the condition noted above, but no issues were identified with these parts.

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