Service bulletins for the 2010 Audi A4
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.
912 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Exhaust and emissions are shown. Show all
| A011886 2035454- | 2018-11-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This technical service bulletin contains instructions for pressure washing ports to resolve an "AIR system -- action required" message. |
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| A261319 2027945- | 2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Supersedes Technical Service Bulletin Group 26 number 13-18 dated May 22, 2013. Humming or metallic rattling noise from under the vehicle, heard most consistently during engine idle or slow acceleration. Initial inspection indicates that the noise is coming from the exhaust system. Relative movements in the rear mounting of the exhaust system (rear silencer). |
| A24165420440032 | 2017-03-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AND REPAIR ISSUES WITH THE INTAKE MANIFOLD FLAP VALVE N316. |
| A01166520354544 | 2017-03-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. THIS TECHNICAL SERVICE BULLETIN CONTAINS INSTRUCTIONS FOR PRESSURE WASHING PORTS TO RESOLVE AN "AIR SYSTEM -- ACTION REQUIRED" MESSAGE. |
| A26162720439811 | 2017-03-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. THIS BULLETIN INFORMS THE READER TO RECEIVE DIAGNOSIS OR AUTHORIZATION FROM THE TECHNICAL ASSISTANCE CENTER BEFORE REPAIRING AN ISSUE WITH THE CATALYTIC CONVERTER THAT CAUSES DTC P042000 |
| A24165320440031 | 2017-03-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT. THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AND REPAIR ISSUES WITH THE INTAKE MANIFOLD FLAP VALVE N316. |
| A24165420440032 | 2017-02-23. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AND REPAIR ISSUES WITH THE INTAKE MANIFOLD FLAP VALVE N316. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.