# Service bulletin PIT5720A

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: 10181177
- Published by NHTSA: 2020\-10\-19
- Manufacturer's number: PIT5720A
- Manufacturer's date: 2020\-09\-29
- NHTSA component: VISIBILITY

## NHTSA's summary

This Preliminary information communicates that a customer may come to the dealer with a complaint of a hum, drone or pulsing type noise at times. On investigation the dealer may discover that this concern only occurs when the customer is driving with one or both rear windows down or one front window down. The dealer is instructed to advise the customer that if this is occurring with rear windows down to open a front window or the sunroof \(if equipped\) or if it is occurring with a front window down to open the other front window or the sunroof \(if equipped\) to alleviate this concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181177-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181177-9999.pdf)

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

## Components

Glass, wipers and mirrors

## Vehicles listed

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

## Recalls for the same vehicles and component

- [2022536](/recalls/tc/2022536.md), 2022-09-22: Visual System

## Other bulletins for the same vehicles and component

- [25\-NA\-106](/bulletins/11022031.md), 2025-08-21, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. This Service Bulletin provides information on the rearview camera transitioning from Dark to light and the adjustment time period of 20 seconds.
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [PI0754G](/bulletins/11006511.md), 2024-08-17, Service bulletin: VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots \(Quench Marks\) and that they are a normal characteristic.
- [16\-NA\-342](/bulletins/11006284.md), 2024-08-13, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. This service bulletin provides a procedure to check the rearview mirror coax connector for looseness by disconnecting and reconnecting the electrical connector to correct the customers concern for the rearview mirror video screen displaying blue.
- [16\-NA\-342](/bulletins/11004728.md), 2024-07-16, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. This service bulletin provides a procedure to check the rearview mirror coax connector for looseness by disconnecting and reconnecting the electrical connector to correct the customers concern for the rearview mirror video screen displaying blue.
- [24\-NA\-003](/bulletins/10249948.md), 2024-02-10, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT; STRUCTURE. This technical bulletin provides a procedure to correct the condition Sunroof Wind / Air Deflector Inoperative.
- [PIT5099G](/bulletins/10247780.md), 2023-12-26, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [23\-NA\-130](/bulletins/10240238.md), 2023-08-02, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM; VISIBILITY:REARVIEW MIRRORS/DEVICES. This technical bulletin provides repair information to correct a customer concern of the driver side mirror being distorted.
- [N222359240\-01](/bulletins/10232950.md), 2023-03-16, Service bulletin: VISIBILITY:REARVIEW MIRRORS/DEVICES. Customer Satisfaction Program \- certain vehicles may have a condition in which the driver side mirror does not auto dim. Dealers are to replace the front door wiring harness.
- [PI0754F](/bulletins/10232283.md), 2023-03-03, Service bulletin: VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS; UNKNOWN OR OTHER; STRUCTURE. This PI provides information on Rear and Side Tempered Glass Spots \(Quench Marks\) and that they are a normal characteristic.

JSON: [/v1/bulletins/10181177](/v1/bulletins/10181177)

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