WenmarOpen by Wenmar Pro

Service bulletins for the 2018 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.

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

About P0451 on the 2018 Audi A6: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

By topic

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.
A201805 2043333-2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin contains instructions for contacting TAC when the MIL is on and DTC P045100 is stored.
A201898 2043333_2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for contacting TAC when the MIL is on and DTC P045100 is stored.

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