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Service bulletin T1689A

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 id10090124
Published by NHTSA2017-02-02
Manufacturer's numberT1689A
Manufacturer's date2015-08-14
NHTSA componentENGINE; EQUIPMENT

NHTSA's summary

THIS TEMPORARY REPAIR PRACTICE ADDRESSES CERTAIN ENGINES THAT HAVE ACTIVE OR INACTIVE FAULT CODES 1887 OR 3583. IMPLEMENTATION OF THIS PRACTICE WILL CORRECT THE ISSUE OF WATER INTRUSION BY APPLYING A WATER SHIELD OVER THE SCR OUTLET NOX SENSOR.

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, Equipment and accessories

Vehicles listed
CUMMINS ISL9

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