# Service bulletin 21NA063

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: 10194098
- Published by NHTSA: 2021\-05\-24
- Manufacturer's number: 21NA063
- Manufacturer's date: 2021\-04\-06
- NHTSA component: BACK OVER PREVENTION

## NHTSA's summary

This technical bulletin provides a procedure on a flutter and/or buzz type noise heard from the rear of the vehicle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194098-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194098-9999.pdf)

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

## Components

Driver assistance, Backup camera

## Vehicles listed

- 2018 to 2021 BUICK ENCLAVE
- 2017 to 2021 CADILLAC XT5
- 2020 to 2021 CADILLAC XT6
- 2019 to 2021 CHEVROLET BLAZER
- 2018 to 2021 CHEVROLET TRAVERSE
- 2017 to 2021 GMC ACADIA

## Recalls for the same vehicles and component

- [22V709000](/recalls/nhtsa/22V709000.md), 2022-09-22: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [PIT5931C](/bulletins/10246001.md), 2023-12-04, Service bulletin: BACK OVER PREVENTION. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
- [PIT5931B](/bulletins/10245991.md), 2023-12-04, Service bulletin: BACK OVER PREVENTION. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
- [23\-NA\-042](/bulletins/10239115.md), 2023-07-14, Service bulletin: BACK OVER PREVENTION:SOFTWARE; EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
- [23\-NA\-062](/bulletins/10237843.md), 2023-06-19, Service bulletin: EQUIPMENT; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues \- DTCs B395A, B395B, B395C, B101E, B101D.
- [23\-NA\-062](/bulletins/10234186.md), 2023-04-14, Service bulletin: BACK OVER PREVENTION; ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues \- DTCs B395A, B395B, B395C, B101E, B101D.
- [17\-NA\-331](/bulletins/10233847.md), 2023-04-06, Service bulletin: BACK OVER PREVENTION; EQUIPMENT. This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
- [PIP5623](/bulletins/10232815.md), 2023-03-13, Service bulletin: BACK OVER PREVENTION; ENGINE AND ENGINE COOLING. This Preliminary information communicates that a rotational clicking noise heard after engine shut down is a design characteristic and no repairs should be attempted.
- [PIT5921A](/bulletins/10232793.md), 2023-03-13, Service bulletin: BACK OVER PREVENTION. This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
- [PIT5954A](/bulletins/10232787.md), 2023-03-13, Service bulletin: BACK OVER PREVENTION; EQUIPMENT:ELECTRICAL. This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.
- [22\-NA\-127](/bulletins/10232458.md), 2023-03-04, Service bulletin: BACK OVER PREVENTION:SOFTWARE; EQUIPMENT:ELECTRICAL. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.

JSON: [/v1/bulletins/10194098](/v1/bulletins/10194098)

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