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Service bulletin Circular19O3REV1

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 id10166777
Published by NHTSA2019-11-06
Manufacturer's numberCircular19O3REV1
Manufacturer's date2019-10-16
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

The coolant bottle may leak coolant into the electrical connector for the coolant level sensor. REVISED

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.

Vehicles listed
VOLKSWAGEN JETTA2019
VOLKSWAGEN TIGUAN2018

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