WenmarOpen by Wenmar Pro

Service bulletin A191777 2046712-

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10118415
Published by NHTSA2017-10-04
Manufacturer's numberA191777 2046712-
Manufacturer's date2017-02-03
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
AUDI A32012, 2013
AUDI A32014
AUDI A32020
AUDI A3 CABRIOLET2015 to 2019
AUDI A3 ETRON2012 to 2015
AUDI A3 SPORTBACK E-TRON2016 to 2017
AUDI A42020
AUDI A4 ALLROAD2013, 2014, 2015, 2016, 2017, 2018, 2019
AUDI A4 AVANT2012
AUDI A52012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI A5 CABRIOLET2012 to 2020
AUDI A62012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI A72012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI A82012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI ALL2016
AUDI ALLROAD2012 to 2019
AUDI AUDI2012
AUDI B82012 to 2013
AUDI C62012 to 2013
AUDI C72012 to 2013
AUDI D32012 to 2013
AUDI D42012 to 2013
AUDI Q32012 to 2014
AUDI Q32015, 2016, 2017, 2018, 2019, 2020
AUDI Q52012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI Q5 HYBRID2013 to 2017
AUDI Q72012, 2013, 2014, 2015
AUDI Q72016
AUDI Q72017, 2018, 2019, 2020
AUDI R82013
AUDI R82016
AUDI R82019
AUDI R8 GT SPYDER2012
AUDI R8 SPYDER2014 to 2015
AUDI R8 SPYDER2017 to 2018
AUDI R8 SPYDER2020
AUDI RS 32017, 2018
AUDI RS 52013, 2014, 2015
AUDI RS 52016
AUDI RS 52018
AUDI RS 5 CABRIOLET2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
AUDI RS 72014, 2015, 2016, 2017, 2018
AUDI RS42018
AUDI RS52012
AUDI RS52013, 2014, 2015
AUDI RS52016 to 2017
AUDI RS5 CABRIOLET2016 to 2017
AUDI RS62012 to 2017
AUDI RS72013
AUDI RS72019
AUDI S32015, 2016, 2017, 2018
AUDI S42012, 2013, 2014, 2015, 2016
AUDI S42017
AUDI S42018, 2019
AUDI S52012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI S5 CABRIOLET2012 to 2017
AUDI S62012
AUDI S62013, 2014, 2015, 2016, 2017, 2018
AUDI S72012
AUDI S72013, 2014, 2015, 2016, 2017, 2018
AUDI S82012
AUDI S82013, 2014, 2015, 2016, 2017, 2018
AUDI S8 PLUS2016 to 2018
AUDI SQ52012 to 2013
AUDI SQ52014, 2015, 2016, 2017, 2018, 2019, 2020
AUDI TT2020
AUDI TT ROADSTER2012 to 2019
AUDI TTS2012, 2013, 2014, 2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20221332022-03-23. Engine
22V1780002022-03-23. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
21V1110002021-02-24. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
18V2290002018-04-11. ENGINE AND ENGINE COOLING:COOLING SYSTEM
20170022017-01-04. Engine
17V0020002017-01-03. ENGINE AND ENGINE COOLING:COOLING SYSTEM
16V6190002016-08-24. ENGINE AND ENGINE COOLING:ENGINE
14V5160002014-08-26. ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_2083393_12026-10-05. Service bulletin. This bulletin provides information when the starter/generator drive belt is noisy or came off.
TSB_2081030_42026-10-05. Service bulletin. 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. 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. This bulletin provides information when the exhuast emissions warning lamp is on P0299.
SM 34-20262026-09-04. Other. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 35-20262026-09-04. Other. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 01-20262026-08-05. Other. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
TSB_2082323_12026-07-07. Service bulletin. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2081573_22026-07-07. Service bulletin. This bulletin provides informatio when fuel pump/ sender, fuel tank level implausible, DTC B105A1A B103E29 Stored in 0017.
TSB_2074640_32026-07-07. Service bulletin. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.