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Service bulletins for the 2020 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.

1291 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
TSB_2081030_42026-10-05. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2081030_32026-09-04. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2079209_32026-09-04. Service bulletin. ENGINE. This bulletin provides information when the exhuast emissions warning lamp is on P0299.
SM 34-20262026-09-04. Other. ENGINE. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
TSB_2082323_12026-07-07. Service bulletin. ENGINE. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2074640_32026-07-07. Service bulletin. ENGINE. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
TSB_2073867_32026-07-07. Service bulletin. ENGINE. This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
TSB_2072473_32026-07-07. Service bulletin. ENGINE. This bulletin provides informaiotn when the red coolant warning lamp comes on or coolang leak at turbocharger.
TSB_2081030_22026-05-05. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2081030_12026-05-05. Service bulletin. ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2074303_122026-05-05. Service bulletin. ENGINE. This bulletin provides informaiton when there is a red coolant temparature/coolant level warning lamp; 4.0 ltr. V8 TFSI.
TSB_2074303_112026-05-05. Service bulletin. ENGINE. This bulletin provides informaiton when there is a red coolant temparature/coolant level warning lamp; 4.0 ltr. V8 TFSI.
TSB_2072473_22026-05-05. Service bulletin. ENGINE. This bulletin provides informaiotn when the red coolant warning lamp comes on or coolang leak at turbocharger.
TSB_2081342_12026-04-07. Service bulletin. ENGINE. This bulletin provides information when there is a Drive System Malfunction, DTCs related to Knock Sensor P0327, P0332, P0328, P0333 - V6 TFS.
TSB_2051095_102026-03-03. Service bulletin. ENGINE. This bulletin provides information on the use of the Audi frequencly analysis app, and where the application can be downloaded.
TSB_2021205_102026-03-03. Service bulletin. ENGINE. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
TSB_2060750_52026-02-06. Service bulletin. ENGINE. This bulletin provides information regarding UV leak additive for finding oil leaks.
TSB_2080494_12026-01-07. Service bulletin. ENGINE. This bulletin provides service information when there is dirt or a small amount of oil residue on the engine mounting.
TSB_2074640_22026-01-07. Service bulletin. ENGINE. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
TSB_2070349_52026-01-07. Service bulletin. ENGINE. This bulletin provides information when tehre is a loss of coolant.
TSB_2079209_22025-12-05. Service bulletin. ENGINE. This bulletin provides information when the exhuast emissions warning lamp is on P0299.
SM 63-20252025-12-05. Other. ENGINE. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 58-20252025-12-05. Other. ENGINE. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
TSB_2079209_12025-10-03. Service bulletin. ENGINE. This bulletin provides information when the exhaust emissions warning lamp is on; P0299 - 4.0ltr V8 TFSI.
TSB_2053278_102025-10-03. Service bulletin. ENGINE. This bulletin provides information when there is an oil leak from the cylinder head - 2.9 and 3.0 TFSI only.

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