# Service bulletin T\-SB\-0085\-21 Rev

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: 10204553
- Published by NHTSA: 2021\-12\-13
- Manufacturer's number: T\-SB\-0085\-21 Rev
- Manufacturer's date: 2021\-11\-05
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

TSB: Some 2020 ? 2021 model year 4Runner vehicles may exhibit a squeal/squeak noise from the front brakes with light to moderate braking. Follow the Repair Procedure in this bulletin to address this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10204553-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10204553-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2020 to 2021 TOYOTA 4RUNNER

## Other bulletins for the same vehicles and component

- [TSB004321Rev2](/bulletins/10224155.md), 2022-10-17, Service bulletin: PARKING BRAKE; EQUIPMENT. TSB: Some 2020 model year vehicles equipped with Audio Plus \(version 1021\) or Premium Audio \(version 1021\) or earlier may exhibit one or more of the following conditions: ?Barge in function defaulted to OFF. ?Limited phone book grammar. ?Difficult Hand Free operation. ?Abnormal Electronic Owner?s Manual operation. ?Music does not automatically resume when using Android Auto?. ?Cover art is not displayed. ?Vehicle position is not sent to Destination Assist server. ?System inoperative after using the return button when using voice recognition.
- [TSB005122](/bulletins/10220169.md), 2022-09-15, Service bulletin: SERVICE BRAKES, HYDRAULIC. TSB: Some 2019 ? 2021 model year 4Runner vehicles may exhibit a squeal/squeak noise from the front brakes with light to moderate braking. Follow the Repair Procedure in this bulletin to address this condition
- [TTT063620](/bulletins/10214323.md), 2022-06-21, Service bulletin: BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care \(TCMC\) brake pads may exhibit a groan or squeak noise in various driving conditions
- [T\-SB\-0085\-21 Rev](/bulletins/10207961.md), 2022-02-14, Service bulletin: AIR BAGS; SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION. TSB: Some 2020 ? 2021 model year 4Runner vehicles may exhibit a squeal/squeak noise from the front brakes with light to moderate braking. Follow the Repair Procedure in this bulletin to address this condition.
- [T\-SB\-0085\-21](/bulletins/10202495.md), 2021-10-25, Service bulletin: SERVICE BRAKES, HYDRAULIC; EQUIPMENT. TSB: Some 2020 ? 2021 model year 4Runner vehicles may exhibit a squeal/squeak noise from the front brakes with light to moderate braking. Follow the Repair Procedure in this bulletin to address this condition.
- [T\-TT\-0636\-20 Rev](/bulletins/10190453.md), 2021-04-19, Service bulletin: BACK OVER PREVENTION; SERVICE BRAKES. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care \(TCMC\) brake pads may exhibit a groan or squeak noise in various driving conditions.
- [T\-TT\-0636\-20](/bulletins/10187241.md), 2021-02-16, Service bulletin: BACK OVER PREVENTION; SERVICE BRAKES. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care \(TCMC\) brake pads may exhibit a groan or squeak noise in various driving conditions.
- [T\-TT\-0636\-20](/bulletins/10186195.md), 2021-02-01, Service bulletin: SERVICE BRAKES, HYDRAULIC. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care \(TCMC\) brake pads may exhibit a groan or squeak noise in various driving conditions.
- [T\-SB\-0066\-20 Rev](/bulletins/10185760.md), 2021-01-25, Service bulletin: EQUIPMENT; PARKING BRAKE; ELECTRICAL SYSTEM. TSB: Some 2020 model year vehicles equipped with Audio Plus \(version 1060\) or Premium Audio \(version 1060\) or earlier may exhibit the following concern: ?Distorted screen when using Apple CarPlay® while making a hands\-free phone call. Some 2020 model year vehicles equipped with Audio Plus \(version 1021\) or Premium Audio \(version 1021\) or earlier may exhibit one or more of the following conditions: ?Barge in function defaulted to OFF. ?Limited phone book grammar. ?Difficult Hand Free operation. ?Abnormal Electronic Owner?s Manual operation ?Music does not automatically resume when using Android Auto?. ?Cover a. rt is not displayed. ?Vehicle position is not sent to Destination Assist server. ?System inoperative after using the return button when using voice recognition Some 2020 model year vehicles equipped with Audio Plus \(version 1035\) or Premium Audio \(version 1035\) or earlier may exhibit one or both of the following conditions: ?Abnormal screen play while using Apple CarPlay® \(primarily during phone calls\). ?Poor sound quality during phone calls while using Apple CarPlay®. Some 2020 model year vehicles equipped with Audio Plus \(version 1047\) or Premium Audio \(version 1047\) or earlier may exhibit one or more of the following conditions: ?USB audio does not resume after ignition cycle. ?Intermittent rebooting. ?Bluetooth disconnecting during a phone call when using Apple CarPlay®. ?Intermittent screen freezing. ?Navigation intermittently will not boot up. ?Home Screen Audio widget is blank after a Destination Assist call. ?Song, artist, or album data missing. ?Abnormal clock operation. ?Apple CarPlay® intermittently inoperative. ?Radio takes a long time to boot up. A software update is now available to address these conditions. Follow the Software Update Procedure in this bulletin to update the software
- [T\-SB\-0009\-19\_Rev](/bulletins/10173805.md), 2020-04-13, Service bulletin: EQUIPMENT; SERVICE BRAKES; ELECTRICAL SYSTEM. TSB: Long\-term or off\-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long\-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.

JSON: [/v1/bulletins/10204553](/v1/bulletins/10204553)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20T-SB-0085-21%20Rev&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10204553&vehicle=Service%20bulletin%20T-SB-0085-21%20Rev)