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Service bulletin A01166820404914

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 id10091807
Published by NHTSA2017-02-15
Manufacturer's numberA01166820404914
Manufacturer's date2016-07-22
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN PROVIDES TROUBLESHOOTING INSTRUCTIONS TO RESOLVE A COOLANT WARNING AND STORED DTC.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling system

Vehicles listed
AUDI A4 ALLROAD2013, 2014, 2015
AUDI A52013, 2014
AUDI A62012, 2013, 2014, 2015
AUDI A72012, 2013, 2014, 2015
AUDI A82013, 2014
AUDI Q52013, 2014, 2015

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

Recalls for the same vehicles and component
18V2290002018-04-11. ENGINE AND ENGINE COOLING:COOLING SYSTEM
17V0020002017-01-03. ENGINE AND ENGINE COOLING:COOLING SYSTEM

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
19i9UPDATE2024-02-26. Service bulletin. Coolant Expansion Tank (NVLW)
19i5UPDATE2024-02-26. Service bulletin. Coolant Pump and Power Steering Pump (NVLW)
19123320306232024-02-20. Service bulletin. Coolant temperature sporadically too high, C7 V6
DC_Closure 19N82024-02-06. Service bulletin. SERV_ACT - After-Run Coolant Pump - Closure Notice
Update19i52024-01-22. Service bulletin. Coolant Pump and Power Steering Pump
Edition922023-02-06. Service bulletin. Idenifying and mixing factory fill engine coolants
1345203443922022-08-01. Service bulletin. When vehicles are driven on gravel roads, there is a greater chance of front-end stone impact damage to the intercooler radiator (Figure 1).
1343203443912022-08-01. Service bulletin. When vehicles are driven on gravel roads, there is a greater chance of front-end stone impact damage to the intercooler radiator (Figure 1).
24 14 50 20382122022-05-02. Service bulletin. Possible incorrect function on the sensor elements of the air mass meter.
A1922272025303122022-02-04. Service bulletin. This bulletin contains instructions for identifying and mixing factory fill coolants.