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Service bulletin DST-I

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 id10092499
Published by NHTSA2017-02-22
Manufacturer's numberDST-I
Manufacturer's date2015-08-17
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

"RECOMMENDATIONS FOR USE OF THE DENSO DST-I DIAGNOSTIC INTERFACE DUE TO A LIMITED SUPPLY OF REMAINING SUBARU DIAGNOSTIC INTERFACE (SDI) BOXES, SOA RECOMMENDS THAT IN ALL APPLICABLE SITUATIONS TECHNICIANS SHOULD USE THE NEW INTERFACE, THE DIAGNOSTIC SYSTEM TESTER INTERFACE (DST-I). THE SDI WILL REMAIN ON THE REQUIRED TOOL LIST UNTIL 2019 TO ALLOW SERVICE OF 2003 AND EARLIER SUBARU VEHICLES AS REQUIRED BY LAW. HOWEVER, FOR ALL INSTANCES WHERE AN INTERFACE IS NEEDED TO DIAGNOSE 2004 AND NEWER VEHICLES, THE DST-I SHOULD BE USED.IT IS RECOMMENDED THAT THE SDI BOX BE SECURED AND STORED IN A SAFE PLACE, TO BE USED ONLY WHEN NEEDED ON PRE-2004 VEHICLES TO AVOID UNNECESSARY WEAR AND TEAR."

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

Equipment and accessories

Vehicles listed
SUBARU SUBARU

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