NHTSA ID Number: 11021720
Manufacturer Communication Number: 21LE01
TSB/Document Date: 2025-08-08
Summary
All VINs under 21LE01 are expired as of July 10, 2025 Although the Brake Booster and Brake Booster Pump Assemblies are covered by Lexus
’ New Vehicle Limited Warranty for 4 years or 50,000 miles (whichever comes first), we at Lexus
care about the customers’ ownership experience. Lexus
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.
Field Action category)
(May use other characters in
unique cases)
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(May use other characters in uniq ue
cases)
01 = 1st Field Action of the year
02 = 2 nd Field Action of the year
03 = 3 rd Field Action of the year
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Examples:
19TA01 = Launched in 2019, Toyota
, Safety Recall Remedy Phase, 1st Safety Recall Launched in 2019
20TC02 = Launched in 2020, Special Service Campaign, 2nd Special Service Campaign Launched in 2020
21TE05 = Launched in 2021, Customer Support Program, 5th Customer Support Program Launched in 2021
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Thank you for your cooperation.
01
Please review this entire package with your Service and Parts staff to familiarize them with the proper step-by-step procedures required to
implement this Customer Support Program.
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LEXUS
, A DIVISION OF TOYOTA
MOTOR SALES, U.S.A., INC.
© 2021 Lexus
, A Division of Toyota
Motor Sales, USA
CUSTOMER SUPPORT PROGRAM 21LE01
02
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Certain 2011-2013 Model Year CT200h
Coverage for Brake Booster and Brake Booster Pump Assemblies
Q1:
A1:
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Frequently Asked Questions
Original Publication Date: May 20, 2021
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What is the condition?
Q1a:
Which brake system warning indicator(s) may be related to these conditions?
If the following warning lamps are illuminated, the vehicle may be experiencing a concern with the Brake Booster or Brake
Booster Pump Assemblies that are covered by this Customer Support Program.
Brake System
Warning Light
(Red)
ABS Warning Light
(Yellow)
SLIP Indicator
(Yellow)
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Master Warning
Light (Yellow)
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Brake System
Warning Light
and Warning
Buzzer (Red)
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Lexus
has received reports regarding the Brake Booster and Brake Booster Pump Assemblies on certain 2011 – 2013 model year
CT200h vehicles. In these reports, customers have noted various brake system related warning lamps are illuminated.
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NOTE: It is possible for the lights above to be illuminated and the condition not be related to this Customer Support
Program.
Q2:
A2:
What is Lexus
going to do?
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Although the Brake Booster and Brake Booster Pump Assemblies are covered by Lexus
’ New Vehicle Limited Warranty for normal
warranty coverage period, 4 years or 50,000 miles (whichever comes first), we at Lexus
care about the customers’ ownership
experience. Lexus
is providing coverage for repairs related to the certain internal malfunctions of the Brake Booster Assembly. Your
dealer can determine if your vehicle is experiencing the condition covered by this Customer Support Program by confirming the
presence of one or more of the following specific Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256 or C1253 that will be
stored in the vehicle’s memory.
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Lexus
will send an owner notification by first class mail starting in Late May 2021, advising owners of this Customer Support Program.
FAQ Page 1 of 3
© 2020 Lexus
, A Division of Toyota
Motor Sales, USA
Q3:
A3:
Which and how many vehicles are covered by this Customer Support Program?
Model Year
Production Period
CT200h
2011-2013
Late August 2010 – Mid-December 2013
Q3a:
Are there any other Lexus
/Toyota
/Scion
vehicles covered by this Customer Support Program in the U.S.?
No. However, the following vehicles are covered for this condition. Please refer to the ZJB, ZKC, ZLM, ZKK, 20LE03,
20TE07 and 21TE01 Dealer Letters and FAQs for additional information.
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A3a:
•
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Certain 2010-2015 MY Prius and Prius PHV vehicles are covered for this condition under Customer Support Program
ZJB.
Certain 2008-2010 MY Highlander Hybrid
vehicles are covered for this condition under Customer Support Program
ZKC.
Certain 2013-2015 MY ES300 h vehicles are covered for this condition under Customer Support Program ZLM.
Certain 2012-2014 MY Camry Hybrid
vehicles and certain 2013-2015 Avalon Hybrid
vehicles are covered for this
condition under Customer Support Program ZKK.
Certain 2010-2012 MY RX450H vehicles are covered for this condition under Customer Support Program 20LE03.
Certain 2012-2014 MY Prius V and certain 2015 MY Prius V vehicles are covered for this condition under Customer
Support Program 20TE07.
Certain 2012-2014 MY Prius C vehicles are covered for this condition under Customer Support Program 21TE01.
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Q4:
A4:
02
Model Name
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There are approximately 49,500 vehicles covered by this Customer Support Program.
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What are the details of this program?
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This Customer Support Program provides coverage as it applies to the Brake Booster and Brake Booster Pump Assemblies. 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.
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The Primary Coverage will be offered until November 30, 2022, 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.
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This coverage is for work performed at an authorized Lexus
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.
Q5:
A5:
Which part(s) are covered by this Customer Support Program?
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The specific components covered by this program are as follows
• Brake Booster Assembly
• Brake Booster Pump Assembly
FAQ Page 2 of 3
© 2020 Lexus
, A Division of Toyota
Motor Sales, USA
Q6:
A6:
What should an owner do if experiencing this condition?
If an owner thinks that he/she has experienced the condition described in this Customer Support Program, a local Lexus
dealer
should be contacted for appropriate diagnosis and repair. If the condition is verified as being in accordance with the terms of the
program, the repair will be performed FREE OF CHARGE to the owner.
What if the diagnosis is performed and my vehicle is not covered by the Customer Support Program?
,2
What if an owner HAS NOT experienced this condition but would like to have the repair completed?
10
Q7:
A7:
Please be aware that, if the condition is not covered by this Customer Support Program, you may be responsible for the
initial diagnostic fees and any other repairs you may decide to have performed. Any authorized Lexus
Dealership can
determine if a condition is covered by this Customer Support Program.
02
A6a:
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Q6a:
Q8:
A8:
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This Customer Support Program only applies to vehicles that have exhibited the condition described above. If an owner has not
experienced the condition, he/she is asked to tear off the sheet included in the owner letter and insert it into the Owner’s Warranty
Information Booklet for future reference.
How long will the repair take?
Q9:
A9:
What if I previously paid for repairs related to this Customer Support Program?
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The repair takes approximately five hours. However, depending upon the dealer’s work schedule, it may be necessary to make the
vehicle available for a longer period of time.
Q10:
A10:
How does Lexus
obtain my mailing information?
Q11:
A11:
What if I have additional questions or concerns?
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Reimbursement consideration instructions will be provided in the owner letter.
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Lexus
uses an industry provider who works with each state’s Department of Motor Vehicles (DMV) to receive registration or title
information, based upon the DMV records. Please make sure your registration or title information is correct.
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If you have additional questions or concerns, please contact the Lexus
Brand Engagement Center (1-800-255-3987) - Monday
through Friday, 7:00 am to 7:00 pm, Saturday 8:00 am to 5:00 pm Central Time
FAQ Page 3 of 3
© 2020 Lexus
, A Division of Toyota
Motor Sales, USA
02
5
Lexus
, A Division of
Toyota
Motor Sales, USA, Inc.
6565 Headquarters Drive
Plano, TX 75024
rL
Dear Lexus
Owner:
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[VIN]
10
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Provides an extra margin of safety in extreme braking...
- Mix of polyglycol ethers ensures hot brake-system operation...
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy...
- Both wet and dry boiling points exceed the minimum...
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TSB/Document ID: 21LE01
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-16
MFR Internal Campaign ID/Software Version: 21LE01
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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