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Service bulletin 21NA013

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 id10187776
Published by NHTSA2021-03-01
Manufacturer's number21NA013
Manufacturer's date2021-01-22
NHTSA componentSTRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT

NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of a rattle or ticking noise heard coming from B-Pillar area.

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

Body and frame, Equipment and accessories

Vehicles listed
GMC TERRAIN2020

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
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24-NA-2392025-01-30. Service bulletin. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
18-NA-2102024-12-16. Service bulletin. This technical bulletin provides a procedure to correct a customer concern of a High Pitch Whine Noise Coming from Front Instrument Panel (IP) Speakers.
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23-NA-2192024-11-05. Service bulletin. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
23-NA-1642024-09-12. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work)
18-NA-0202024-06-18. Service bulletin. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.