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Service bulletin 15584A

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 id10089568
Published by NHTSA2017-01-26
Manufacturer's number15584A
Manufacturer's date2015-11-12
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

15584A - SERVICE UPDATE (THE SERVICE PROCEDURE AND WARRANTY TRANSACTION SECTION HAVE BEEN REVISED). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF NECESSARY, REPLACE THE TRANSFER CASE OIL DISTRIBUTION TUBE ON CERTAIN VEHICLES. ON SOME VEHICLES, THE TUBE MAY NOT BE FULLY SEATED AND A LEAK COULD DEVELOP.

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, Labels and manuals, Transmission and driveline, Transfer case

Vehicles listed
CADILLAC ATS2015
CADILLAC CTS2015

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
060089026N2018-06-04. Service bulletin. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
155842017-01-26. Service bulletin. 15584 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF NECESSARY, REPLACE THE TRANSFER CASE OIL DISTRIBUTION TUBE ON CERTAIN VEHICLES. ON SOME VEHICLES, THE TUBE MAY NOT BE FULLY SEATED AND A LEAK COULD DEVELOP.