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Service bulletin A191669 2043770-

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 id10118398
Published by NHTSA2017-10-04
Manufacturer's numberA191669 2043770-
Manufacturer's date2016-03-31
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

The MIL is on due to DTC P218100 being stored in the ECM. The coolant temperature gauge does not work, the vehicle does not reach operating temperature, and the cooling fan runs constantly. The coolant temperature control sends an implausible signal. The coolant thermostat does not work.

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

Trouble codes named

P2181

Vehicles listed
AUDI R82008, 2009, 2010
AUDI R82013
AUDI R8 GT SPYDER2012
AUDI R8 SPYDER2011
AUDI R8 SPYDER2014 to 2015

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

Other bulletins for the same vehicles and component
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