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Service bulletin T1697A

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 id10085722
Published by NHTSA2016-12-08
Manufacturer's numberT1697A
Manufacturer's date2015-11-10
NHTSA componentENGINE

NHTSA's summary

THIS TRP IS BEING ISSUED TO RECALIBRATE THE VARIABLE GEOMETRY TURBOCHARGER (VGT) ACTUATOR OF CERTAIN ISX15 CM2350 ENGINES. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE VGT ACTUATOR ANYTIME THE UNIT IS IN FOR MAINTENANCE OR REPAIRS, WITH CERTAIN RESTRICTIONS ON REIMBURSEMENT. THIS IS A REVISION TO A PREVIOUSLY SUBMITTED COMMUNICATION.

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

Vehicles listed
CUMMINS ISX15

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