Service bulletin T-TT-0636-20

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)
Type	Service bulletin
NHTSA id	10186195
Published by NHTSA	2021-02-01
Manufacturer's number	T-TT-0636-20
Manufacturer's date	2020-12-14
NHTSA component	SERVICE BRAKES, HYDRAULIC

NHTSA's summary

TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.

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

Brakes

Vehicles listed
TOYOTA 4RUNNER	1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA AVALON	1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA CAMRY	1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA CAMRY SOLARA	1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
TOYOTA CAMRY SOLARA	2010 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA CELICA	1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
TOYOTA COROLLA	1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
TOYOTA COROLLA HATCHBACK	2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA COROLLA IM	2017, 2018
TOYOTA ECHO	2000, 2001, 2002, 2003, 2004, 2005
TOYOTA FJ CRUISER	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
TOYOTA HIGHLANDER	2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA LAND CRUISER	1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
TOYOTA LAND CRUISER	2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA MATRIX	2003 to 2014
TOYOTA MIRAI	2016, 2017, 2018, 2019, 2020
TOYOTA MR2	1995
TOYOTA MR2	2004
TOYOTA MR2 SPYDER	2000, 2001, 2002, 2003 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA MR2 SPYDER	2005 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA PRIUS	2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA PRIUS C	2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA PRIUS PRIME	2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA PRIUS V	2012, 2013, 2014, 2015, 2016, 2017
TOYOTA PRIUS V	2018 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA RAV4	1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA RAV4 EV	2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA RAV4 HYBRID	2017 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA SEQUOIA	2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA SIENNA	1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA TACOMA	1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA TUNDRA	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
TOYOTA VENZA	2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
TOYOTA YARIS	2004 to 2006
TOYOTA YARIS	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
TOYOTA YARIS IA	2017, 2018
TOYOTA redundant RAV4 HV	2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2022179	2022-04-13. Brakes
2021702	2021-11-17. Brakes
21V890000	2021-11-17. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
19V553000	2019-07-25. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
2019360	2019-07-24. Brakes
19V544000	2019-07-24. SERVICE BRAKES; ELECTRONIC STABILITY CONTROL (ESC)
2019317	2019-06-27. Brakes
19V410000	2019-06-04. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
2018705	2018-12-13. Brakes
18V888000	2018-12-13. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
24TE05	2025-02-12. Warranty extension. Although the Brake Booster and Brake Booster Pump Assemblies are covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to certain internal malfunctions of the Brake Booster and Brake Booster Pump Assemblies in some of the subject vehicles.
24TE05	2025-02-12. Warranty extension. Although the Brake Booster and Brake Booster Pump Assemblies are covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to certain internal malfunctions of the Brake Booster and Brake Booster Pump Assemblies in some of the subject vehicles.
T-SB-0014-25	2025-02-12. Service bulletin. Some 2017 – 2019 model year Highlander Hybrid vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following specific Diagnostic Trouble Codes (DTCs): C1391, C1252, C1256, and/or C1253 will be stored in the vehicle memory to be used as verification. This condition may be caused by a small internal brake fluid leak inside the brake actuator.
T-SB-0001-22 Rev2	2025-01-09. Service bulletin. Some 2019 – 2025 model year RAV4 and RAV4 Hybrid vehicles may exhibit a squeal/squeak noise from the front brakes with light to moderate braking.
24TE01	2024-12-07. Service campaign. This Customer Support Program provides coverage as it applies to Brake Booster and Brake Booster Pump Assemblies on Certain 2014-2016 Model Year Highlander HV and certain 2017 Model Year Prius V Vehicles. The specific condition covered by this program is related to certain internal malfunctions of the Brake Booster Assembly. One or more of the following specific Diagnostic Trouble Codes (DTCs) C1391, C1252, C1253 or C1256 will be stored in the vehicles memory to be used as verification. If the condition is verified, the vehicle will be repaired with new Brake Booster and Brake Booster Pump Assemblies under the terms of this Customer Support Program. • The Primary Coverage will be offered until March 31, 2025, regardless of mileage. • After the Primary Coverage, the Secondary Coverage is applicable for 10 years or 150,000 miles from the date of first use, whichever comes first. This coverage is for work performed at an authorized Toyota dealer only. It is subject to the same terms and conditions set forth in the New Vehicle Limited Warranty Section of the Owner’s Warranty Information booklet. For example, damage from abuse, an accident, theft and/or vandalism is not covered.
24LE01a	2024-04-01. Service bulletin. RL: Toyota has received reports regarding the Brake Booster and Brake Booster Pump Assemblies on certain 2014-2016 model year Highlander HV vehicles and certain 2015-2017 Prius C vehicles. In these reports, customers have noted various brake system related warning lamps are illuminated.
24LE01	2024-04-01. Service bulletin. DP: Although the Brake Booster and Brake Booster Pump Assemblies are covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is providing coverage for repairs related to certain internal malfunctions of the Brake Booster and Brake Booster Pump Assemblies in some of the subject vehicles. The following information is provided to inform you and your staff of the program notification schedule and your degree of involvement.
TSB000924	2024-04-01. Service bulletin. TSB: Some 2014 ? 2016 model year Highlander Hybrid vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following specific Diagnostic Trouble Codes (DTCs): C1391, C1252, C1256, and/or C1253 will be stored in the vehicle memory to be used as verification. This condition may be caused by a small internal brake fluid leak inside the brake actuator. Follow the Repair Procedure in this bulletin to address this condition.
TSB000824	2024-04-01. Service bulletin. TSB:Some 2015 ? 2017 model year Prius C vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following Diagnostic Trouble Codes (DTCs): C1391, C1252, C1256, or C1253 will be stored in the vehicle memory to be used as verification. This condition may be caused by a small internal brake fluid leak inside the brake actuator. Follow the Repair Procedure in this bulletin to address this condition.
TSB010421	2024-04-01. Service bulletin. TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. ?An ?Oil Pressure Low? warning message on the Multi-information Display (MID). ?A MIL ON condition with Diagnostic Trouble Codes (DTCs) P05202A (Engine Oil Pressure Sensor/Switch ?A? Signal Stuck in Range) and/or P052477 (Engine Oil Pressure Too Low [Severe]) present. Moisture from blow-by gases condenses and accumulates in the engine oil during short trips in extreme cold weather. When the moisture in the oil freezes, the oil pressure may drop, and the aforementioned warning indicators may display. Follow the procedures in this bulletin to address these conditions.