# 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.

- Type: Service bulletin
- NHTSA id: 10212565
- Published by NHTSA: 2022\-05\-31
- Manufacturer's number: 21NA013
- Manufacturer's date: 2021\-12\-15
- NHTSA component: ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:ROOF AND PILLARS

## 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10212565-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10212565-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Electrical system, Wiring and fuses

## Vehicles listed

- 2020 to 2021 GMC TERRAIN

## Other bulletins for the same vehicles and component

- [19NA181](/bulletins/10212557.md), 2022-05-31, Service bulletin: ENGINE; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to locate and repair the engine wiring harness.
- [PIT5748](/bulletins/10178304.md), 2020-08-10, Service bulletin: EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:120/240 VAC ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM:WIRING. This preliminary information makes the technician aware of a trailer lighting concern if the incorrect harness is used to wire trailer.

JSON: [/v1/bulletins/10212565](/v1/bulletins/10212565)

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