# Service bulletin A191789 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. - Type: Service bulletin - NHTSA id: 10127818 - Published by NHTSA: 2018\-02\-05 - Manufacturer's number: A191789 2046712\- - Manufacturer's date: 2017\-07\-14 - NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM ## NHTSA's summary This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127818-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127818-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Cooling system ## Vehicles listed - 2012 to 2013 AUDI A3 - 2014 AUDI A3 - 2020 AUDI A3 - 2015 to 2019 AUDI A3 CABRIOLET - 2012 to 2015 AUDI A3 ETRON - 2016 to 2017 AUDI A3 SPORTBACK E\-TRON - 2020 AUDI A4 - 2013 to 2019 AUDI A4 ALLROAD - 2012 AUDI A4 AVANT - 2012 to 2020 AUDI A5 - 2012 to 2018 AUDI A5 CABRIOLET - 2012 to 2020 AUDI A6 - 2012 to 2020 AUDI A7 - 2012 to 2020 AUDI A8 - 2016 AUDI ALL - 2012 to 2019 AUDI ALLROAD - 2012 AUDI AUDI - 2012 to 2013 AUDI B8 - 2012 to 2013 AUDI C6 - 2012 to 2013 AUDI C7 - 2012 to 2013 AUDI D3 - 2012 to 2013 AUDI D4 - 2012 to 2014 AUDI Q3 - 2015 to 2020 AUDI Q3 - 2012 to 2020 AUDI Q5 - 2013 to 2017 AUDI Q5 HYBRID - 2012 to 2015 AUDI Q7 - 2016 AUDI Q7 - 2017 to 2020 AUDI Q7 - 2013 AUDI R8 - 2016 AUDI R8 - 2019 AUDI R8 - 2012 AUDI R8 GT SPYDER - 2014 to 2015 AUDI R8 SPYDER - 2017 to 2018 AUDI R8 SPYDER - 2020 AUDI R8 SPYDER - 2017 to 2018 AUDI RS 3 - 2013 to 2015 AUDI RS 5 - 2016 AUDI RS 5 - 2018 AUDI RS 5 - 2013 to 2015 AUDI RS 5 CABRIOLET - 2014 to 2018 AUDI RS 7 - 2018 AUDI RS4 - 2012 AUDI RS5 - 2013 to 2015 AUDI RS5 - 2016 to 2017 AUDI RS5 - 2016 to 2017 AUDI RS5 CABRIOLET - 2012 to 2017 AUDI RS6 - 2013 AUDI RS7 - 2019 AUDI RS7 - 2015 to 2018 AUDI S3 - 2012 to 2016 AUDI S4 - 2017 AUDI S4 - 2018 to 2019 AUDI S4 - 2012 to 2018 AUDI S5 - 2012 to 2017 AUDI S5 CABRIOLET - 2012 AUDI S6 - 2013 to 2018 AUDI S6 - 2012 AUDI S7 - 2013 to 2018 AUDI S7 - 2012 AUDI S8 - 2013 to 2018 AUDI S8 - 2016 to 2018 AUDI S8 PLUS - 2012 to 2013 AUDI SQ5 - 2014 to 2018 AUDI SQ5 - 2020 AUDI TT - 2012 to 2019 AUDI TT ROADSTER - 2012 to 2018 AUDI TTS ## Recalls for the same vehicles and component - [18V229000](/recalls/nhtsa/18V229000.md), 2018-04-11: ENGINE AND ENGINE COOLING:COOLING SYSTEM - [17V002000](/recalls/nhtsa/17V002000.md), 2017-01-03: ENGINE AND ENGINE COOLING:COOLING SYSTEM ## Other bulletins for the same vehicles and component - [A9724072073305\_1](/bulletins/10251663.md), 2024-04-04, Service bulletin: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This bulletins provides information when the radiator fans, alarm, or wipers are not working; DTC P048000, \_048100, U063200, U063300, U10F300, U10A400, P10EF00. - [A2024672073032\_1](/bulletins/10251622.md), 2024-04-04, Service bulletin: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This bulletin provides information for when the MIL is on, DTC P148D00 and P044200; leak diagnostic pump. - [A1924522065040\_4](/bulletins/10250538.md), 2024-03-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; UNKNOWN OR OTHER. This bulletin provides information when the coolant warning light is on or when the coolant pump is replaced due to a coolant leak. - [AVIN4PIN20240214](/bulletins/10250339.md), 2024-03-06, Service bulletin: STRUCTURE:BODY:DOOR; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; SUSPENSION; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Front window inoperative Air suspension warning \- DTC P089200 Charge handle doesn’t release Vehicle will not charge Temp sensor DTC P218500 Corrosion on wheelhouse cover plate - [19i9UPDATE](/bulletins/10250644.md), 2024-02-26, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. Coolant Expansion Tank \(NVLW\) - [19i5UPDATE](/bulletins/10250643.md), 2024-02-26, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; STEERING. Coolant Pump and Power Steering Pump \(NVLW\) - [1912332030623](/bulletins/10250434.md), 2024-02-20, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. Coolant temperature sporadically too high, C7 V6 - [DC\_Closure 19N8](/bulletins/10249238.md), 2024-02-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. SERV\_ACT \- After\-Run Coolant Pump \- Closure Notice - [Update19i5](/bulletins/10249068.md), 2024-01-22, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:PUMP; STEERING; FUEL SYSTEM, GASOLINE; POWER TRAIN; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. Coolant Pump and Power Steering Pump - [AVIN4PIN20231201](/bulletins/10247144.md), 2024-01-04, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; SEAT BELTS; STRUCTURE:BODY:DOOR; SUSPENSION. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Fuel pressure low. DTC P008700 Front window inoperative Air suspension warning \- DTC P089200 charge handle doesn't release vehicle will not charge noise from belt tensioner damper Wheel speed sensor DTC C101AF1;C101BF1;C101CF1;C101DF1 JSON: [/v1/bulletins/10127818](/v1/bulletins/10127818) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20A191789%202046712-&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10127818&vehicle=Service%20bulletin%20A191789%202046712-)