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Service bulletin 17389

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 id10191046
Published by NHTSA2021-04-30
Manufacturer's number17389
Manufacturer's date2017-11-01
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

Some vehicles were shipped with a power transfer unit (PTU) that failed leak testing. Correction Dealers are to replace the PTU.

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.

Components

Transmission and driveline, Transfer case

Vehicles listed
CADILLAC XT52017, 2018
CHEVROLET TRAVERSE2018
GMC ACADIA2017

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.
PIP53832016-11-03. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT 2017 CADILLAC XT5 TRANSFER CASE HAS AN EXCHANGE PROGRAM, AND TO CALL THE GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE.
PIP-53832016-08-13. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT 2017 CADILLAC XT5 TRANSFER CASE HAS AN EXCHANGE PROGRAM, AND TO CALL THE GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE.