# Service bulletin A1921262061918\_4 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: 10205898 - Published by NHTSA: 2022\-01\-05 - Manufacturer's number: A1921262061918\_4 - Manufacturer's date: 2021\-12\-22 - NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL ## NHTSA's summary This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10205898-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10205898-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Equipment and accessories, Labels and manuals, Cooling system ## Vehicles listed - 2017 to 2020 AUDI A3 - 2022 AUDI A3 - 2017 to 2018 AUDI A3 SPORTBACK E\-TRON - 2017 to 2022 AUDI A4 - 2017 to 2022 AUDI A5 - 2017 to 2021 AUDI A5 CABRIOLET - 2017 to 2022 AUDI A6 - 2020 to 2021 AUDI A6 ALLROAD - 2017 to 2022 AUDI A7 - 2021 to 2022 AUDI A7 E - 2017 to 2020 AUDI A8 - 2021 to 2022 AUDI A8 - 2020 AUDI A8 L E - 2021 AUDI A8 L E - 2022 AUDI A8 PHEV - 2017 to 2022 AUDI ALLROAD - AUDI AUDI - 2019 AUDI E\-TRON - 2020 AUDI E\-TRON - 2021 to 2022 AUDI E\-TRON - 2022 AUDI E\-TRON GT - 2017 to 2022 AUDI Q3 - 2017 to 2021 AUDI Q5 - 2020 to 2022 AUDI Q5 PHEV - 2022 AUDI Q5 SPORTBACK - 2017 to 2022 AUDI Q7 - 2019 to 2022 AUDI Q8 - 2017 to 2018 AUDI R8 - 2020 to 2022 AUDI R8 - 2017 to 2020 AUDI RS 3 - 2022 AUDI RS 3 - 2019 AUDI RS 5 - 2021 to 2022 AUDI RS 5 - 2021 to 2022 AUDI RS 6 AVANT - 2017 to 2018 AUDI RS 7 - 2021 to 2022 AUDI RS 7 - 2020 to 2022 AUDI RS Q8 - 2021 AUDI RS3 - 2017 AUDI RS5 - 2017 to 2020 AUDI RS6 - 2020 AUDI RS7 - 2017 to 2019 AUDI S3 - 2018 to 2022 AUDI S4 - 2017 to 2022 AUDI S5 - 2017 to 2021 AUDI S5 CABRIOLET - 2017 to 2018 AUDI S6 - 2019 AUDI S6 - 2020 to 2022 AUDI S6 - 2017 to 2018 AUDI S7 - 2020 to 2022 AUDI S7 - 2020 to 2022 AUDI S8 - 2018 to 2022 AUDI SQ5 - 2020 to 2022 AUDI SQ7 - 2020 to 2022 AUDI SQ8 - 2017 to 2022 AUDI TT - 2018 to 2022 AUDI TT RS - 2017 to 2022 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. - [A1924502067941\_2](/bulletins/10250536.md), 2024-03-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information when there is a coolant system leak from coolant valve N632. - [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 - [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 - [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 - [A3423652070167\_2](/bulletins/10245620.md), 2023-12-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when the cooling oil valve fails basic settings after repair; DTC P1A5B00. - [A1923452070349\_2](/bulletins/10245526.md), 2023-12-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when there is a loss of coolant from the coolant pump \- V6 TFSI. - [AVin4Pin20230901](/bulletins/10242978.md), 2023-10-05, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC \(s\) P010600, P023600, P023700, P023800 Leak from oil pan USB Trim detached from center console 3.0L engine sound generator malfunctioning Valve cover leaking oil Fuel pressure low. DTC P008700 Check engine lamp, Belt Starter Generator DTC U046900 symptom 26950 "Check engine lamp on, DTC P042000: Catalyst System,Bank1 Efficiency Below" JSON: [/v1/bulletins/10205898](/v1/bulletins/10205898) [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%20A1921262061918_4&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10205898&vehicle=Service%20bulletin%20A1921262061918_4)