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Service bulletin PIE0446

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 id10139269
Published by NHTSA2018-06-04
Manufacturer's numberPIE0446
Manufacturer's date2018-01-24
NHTSA componentSEAT BELTS: REAR/OTHER:BUCKLE ASSEMBLY

NHTSA's summary

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Second Row Center Buckle Not Latching Correctly.

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

Seat belts

Vehicles listed
CHEVROLET TRAVERSE2018
GMC ACADIA2018

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
99-09-40-005I2023-07-28. Service bulletin. This service bulletin provides information on availability for a seat belt extender.
N1922231102020-06-29. Service bulletin. Customer Satisfaction Program - On certain vehicles, equipped with the second row bench seats (RPO ABC or ABA) may have a condition in which the second row middle seat belt buckle can fall down between the second row bench seats and be damaged when one portion of the bench is moved relative to the other. Dealers will add an elastic strap, inspect the second row middle seat belt buckle and hinge cover for damage and replace if necessary.
N1922231102020-03-23. Service bulletin. Customer Satisfaction Program - On certain vehicles, equipped with the second row bench seats (RPO ABC or ABA) may have a condition in which the second row middle seat belt buckle can fall down between the second row bench seats and be damaged when one portion of the bench is moved relative to the other. Dealers will add an elastic strap, inspect the second row middle seat belt buckle and hinge cover for damage and replace if necessary.
PIE0446A2018-05-21. Service bulletin. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Second Row Center Buckle Not Latching Correctly.
18NA0782018-05-21. Service bulletin. This technical bulletin provides repair information to correct a customer concern of 2nd row center seat belt not retracting fully or unable to extract.