NHTSA ID Number: 10177784
Manufacturer Communication Number: L-SB-0024-20
TSB/Document Date: 2020-08-03
Summary
TSB: Some 2016 - 2019 model year RX 350 and RX 450h vehicles second row seat occupants may experience a condition where the inside rear door handle may not open the door. This condition is caused when the rear door handle fatigues, allowing the inside door handle release cable to separate from the door handle body
L-SB-0024-20
June 25, 2020
Rear Door Inoperative Inside Door Handle
Service
Category
Vehicle Exterior
Section
Door/Hatch
Market USA
Applicability
YEAR(S)
MODEL(S)
2016 - 2019
RX350, RX450H
ADDITIONAL INFORMATION
Introduction
Some 2016 - 2019 model year RX 350 and RX 450h vehicles second row seat occupants may
experience a condition where the inside rear door handle may not open the door. This condition is
caused when the rear door handle fatigues, allowing the inside door handle release cable to separate
from the door handle body. Follow the Repair Procedure in this bulletin to address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
PLANT
RX 350
TMMC
RX 450h
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
2WD
2T2ZZMCA#KC151440
4WD
2T2BZMCA#KC212105
2WD
2T2ZFMCA#GC001639
4WD
2T2BGMCA#KC043343
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
BD1921
R & R Rear Door Trim Panel and
Inside Door Handle, Reinstall Door Trim
0.5
67640 - 0E###-##
67630 - 0E###-##
87
12
Combo Code A
Opposite side (if necessary)
APPLICABLE WARRANTY
This repair is covered under the Lexus
Basic Warranty. This warranty is in effect for 48 months
or 50,000 miles, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
Page 1 of 9
L-SB-0024-20
June 25, 2020
Page 2 of 9
Rear Door Inoperative Inside Door Handle
Parts Information
VEHICLE
LOCATION
Left Rear
Right Rear
PART NUMBER
PART NAME
QTY
74271-0E070
Panel, Rear Door Armrest Base, Upper RH
1
04009-68348
Handle Kit, Door Inside LH
1
04009-91194
Grease Kit
0.5g*
74271-0E070
Panel, Rear Door Armrest Base, Upper RH
1
04009-68248
Handle Kit, Door Inside RH
1
04009-91194
Grease Kit
0.5g*
*The Grease Kit contains 30g per container.
Required Tools & Equipment
REQUIRED TOOLS & MATERIAL
QTY
Soldering Iron
1
Drill
1
1/4-in. Drill Bit
1
Feeler Gauge
1
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVI*
PART NUMBER
QTY
TSADVUNIT
Techstream 2.0
TS2UNIT
ADE
1
Techstream Lite
TSLITEPDLR01
Techstream Lite (Green Cable)
TSLP2DLR01
*Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 15.00.028 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
L-SB-0024-20
June 25, 2020
Page 3 of 9
Rear Door Inoperative Inside Door Handle
Repair Procedure
1. Inspect the condition of the rear inside door handles.
Is a rear inside door handle operational?
YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
NO — Continue to step 2.
2. Inspect the condition of the rear outside door handles.
Is an outside door handle operational?
YES — Continue to step 3.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
3. Remove the inner door trim.
NOTICE
The following steps are designed to reduce the risk of door panel damage during window
switch removal. Do NOT deviate from this procedure.
NOTE
Step A applies to BOTH rear left and right handles.
A. Remove the window switch from the door panel.
(1) Apply protective tape around the
bezel as shown.
Figure 1.
2
c
(2) With a soldering iron, make an
indent into the window switch cover
between the front edge and the
lock button.
1
c
NOTICE
Do NOT touch the door panel,
window switch buttons, or
other interior trim with the
soldering iron.
1
Protective Tape
2
Soldering Iron
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
L-SB-0024-20
June 25, 2020
Page 4 of 9
Rear Door Inoperative Inside Door Handle
Repair Procedure (continued)
(3) Make the same indent between the rear edge of the window switch and the
window button.
(4) Using a 1/4-in. drill bit, drill a hole
into the window switch cover,
following the indents as a guide.
Figure 2.
1
c
NOTICE
To prevent the drill from going
through the hole and
damaging the part, wrap
protective tape around the drill
bit, 1/4 in. from its point.
Use a slow speed on the drill
to reduce the possibility of
the drill slipping off the
window switch.
Be careful NOT to damage the
door panel.
The window switch cover will
not be reused.
(5) Using a small flat head screwdriver,
release the locking tab by inserting
the screwdriver into the hole and
prying the tab back.
2
c
1
c
1
¼ in.
2
Protective Tape
Figure 3.
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
L-SB-0024-20
June 25, 2020
Page 5 of 9
Rear Door Inoperative Inside Door Handle
Repair Procedure (continued)
(6) Once the locking tab releases, use a
feeler gauge to lift up on the
window switch.
Figure 4.
(7) Use the same procedure to release
the locking tab at the rear of the
window switch.
NOTICE
Make sure the locking tab
releases BEFORE inserting the
feeler gauge between the
window switch and door panel.
If the locking tab is NOT
released, the leather may
become damaged.
1
c
1
Feeler Gauge
B. Remove the inner door trim.
Refer to TIS, applicable model and model year Repair Manual:
2016 / 2017 / 2018 / 2019 RX 350:
Vehicle Exterior – Door/Hatch – "Door / Hatch: Rear Door: Disassembly"
NOTE
Follow Repair Manual steps 1 – 3 a n d 5 – 7 .
2016 / 2017 / 2018 RX 450h
Vehicle Exterior – Door/Hatch – "Door / Hatch: Rear Door: Disassembly"
NOTE
Follow Repair Manual steps 1 – 5 a n d 7 – 9 .
2019 RX 450h:
Vehicle Exterior – Door/Hatch – "Door / Hatch: Rear Door: Disassembly"
NOTE
Follow Repair Manual steps 1 – 7 a n d 9 – 1 1 .
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
L-SB-0024-20
June 25, 2020
Page 6 of 9
Rear Door Inoperative Inside Door Handle
Repair Procedure (continued)
4. Inspect the inside door handle for
damage/breakage.
Is the inside door handle broken, allowing
the release cable to separate from
the door handle?
YES — Continue to step 5.
NO — This bulletin does NOT apply.
Continue diagnosis using the
applicable Repair Manual.
Figure 5.
1
1
Sample of Breakage Condition
5. Replace the inside door handle.
A. If equipped with sunshade, remove the sunshade from the door trim by removing
the seven screw fasteners.
Figure 6.
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
L-SB-0024-20
June 25, 2020
Page 7 of 9
Rear Door Inoperative Inside Door Handle
Repair Procedure (continued)
B. Remove the inside door handle.
(1) Using a small flat head screwdriver and needle-nose pliers, remove the pin.
Figure 7.
(2) Remove the inside door handle and spring.
(3) Put a mark on the removed inside door handle and store it in a separate container.
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
L-SB-0024-20
June 25, 2020
Page 8 of 9
Rear Door Inoperative Inside Door Handle
Repair Procedure (continued)
C. Install the inside door handle.
(1) Install the NEW inside door handle.
(2) Place the spring as shown.
Figure 8.
(3) While supporting the inside door handle from the bottom, push straight in the spring
from the top.
(4) Insert the pin.
(5) Apply the grease (Plasguard SG) to
the positions shown.
Figure 9.
(6) Move the lever several times to
make sure it functions normally.
1
c
D. Reinstall sunshade, if equipped.
1
Application Area
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
L-SB-0024-20
June 25, 2020
Rear Door Inoperative Inside Door Handle
Repair Procedure (continued)
6. Replace the rear door upper armrest base panel.
A. Disengage the four claws to remove
the rear power window regulator
switch assembly.
Figure 10.
B. Remove rear door upper armrest base
panel and store it in a separate container.
C. Engage the four claws to install the NEW
rear door upper armrest base panel.
7. Install the rear door trim board sub-assembly.
Refer to TIS, applicable model and model year Repair Manual:
2016 / 2017 / 2018 / 2019 RX 350:
Vehicle Exterior – Door/Hatch – "Door / Hatch: Rear Door: Reassembly "
NOTE
Follow Repair Manual steps 37 – 4 4 .
2016 / 2017 / 2018 / 2019 RX 450h:
Vehicle Exterior – Door/Hatch – "Door / Hatch: Rear Door: Reassembly"
NOTE
Follow Repair Manual steps 37 – 4 8 .
8. Confirm the rear door inoperative inside door handle condition no longer exists.
© 2020 Lexus
, a division of Toyota
Motor Sales, USA
Page 9 of 9
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: L-SB-0024-20
Replacement Service Bulletin Number:
MFR Communication Date: 2020-06-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE:BODY:DOOR
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- 【Looking for More Professional Vehicle Scan Tool?】iCarsoft E660 2026 Upgrade Version OBD2 scan tool can do it all-reads and clears trouble codes on Engine system, ABS system, Transmission system and Airbag system, And with 6 reset function. It covers more than 59 vehicle makes from 1996-2023 models ( included most USA/ Asia / EU vehicle brand) with full OBDII. (As every car model has its-owned specific car system and ECUs, not all car models have full car ECUs which may prevent the scanner from performing all listed system diagnostics or reset services. Therefore, please email to us with car VIN and services required to do scanner's services for a compatibility check before purchasing.)
- 【OE-Level 4 Systems OBD2 Scanner】iCarsoft E660 2026 Upgrade Version diagnostic scanner offers comprehensive OBDII services, allowing you to quickly scan Engine system. It supports functions such as reading and erasing codes, checking I/M readiness, viewing freeze frame data, performing O2 sensor tests, conducting on-board monitoring, testing the evap system, auto VIN retrieval, and reading both generic and specific codes, as well as DTCs and battery tests.
- 【4 Systems Diagnosis for 10000+ Vehicles】 iCarsoft E660 2026 Upgrade Version adopts unique diagnostic software, works well for most Porsche
, Benz, BMW
, US Ford
, Land Rover
, Jaguar
, Audi
, VW
, Volvo
, Honda
, Nissan
, Infiniti
, Toyota
, Lexus
, Scion
, Isuzu
, Hyundai
, Kia
, Daewoo, Mazda
, Sprinter
, Mini
, Seat, Skoda, SAAB
, EU Ford
, Holden, AUS Ford
, Acura
, Subaru
, Mitsubishi
, Dacia, Renault, Fiat
, GM, Chrysler
, Citroen, Peugeot, Opel, Smart,Suzuki
, Vauxhall, Alfa-Romeo, Lancia and etc. - 【6 Reset Services】iCarsoft E660 2026 Upgrade Version is a diagnostic tool that offers professional maintenance services, including Oil Reset, EPB, BMS, ETC, SAS, TPMS Reset. It can help you easily reset oil change indicators, recalibrate steering angle sensors, relearn replaced electric parking brake and so on. For optimal vehicle performance and maintenance convenience. (Tips: Please update the softwareafter receiving the product to obtain new service functions)
- 【118+ Real Time Record & Live Graph View】iCarsoft E660 2026 Upgrade Version can automatically record vehicle text history and identify vehicle information. Preserve real-time data information. View & Graph Live Data. Support Data Review and Print. 15 languages: English, German, Dutch, Spanish, French and so on. We promise to offer Lifetime updates (Lifetime free Update via PC), and confidence in products. We also provide 1 year warranty + extra lifetime hardware free repair if you need it in the future. We prioritize user experience & strive to meet your expectations. Please do feel free to reach out to us if you have any question or problem about the usage.
- WHY CHOOSE THE 2025 CR MAX -Upgrade the latest diagnostic capabilities for all vehicles after 1996: upgrade to 49+maintenance services; 46 extra specific functions; real all systems/all control modules diagnose; over 40K+ bidirectional actuation tests for diagnosing all control moduels of cars; Powerful full OBD2 Functions; built-in ECU Coding for BMW
/ Audi
/ VW
/ RollsRoyce; Fr ee V.A.G Guide Function; Battery retistration for new battery adaptation and more. It covers all vehicle diagnostic services and some special professional vehicle maintenance servces, assists you to do home DIY vehicle maintenance or car repair as a pro technician. - NEWEST IN INNOVATION FULL OBD2 SERVICES- iCarsoft auto car diagnostic scanner compatible with CAN-FD, CR MAX can do it all-reads and clears trouble codes, ALL SYSTEM DIAGNOSIS such as engine, transmission, ABS and airbag etc. CR MAX code reader for all cars can perform I/M Readiness, Live Data, Freeze Frame, Vehicle Information, Monitor Test, On-Board Monitor, E vap System Test,O2 Sensor Test,DTC Library Lookup,etc. (Warm Tips: If you car is after 2023,please contact us for compatibility; 3. It comes with 16PIN OBD2 diagnostic adapter, please check your car diagnostic socket if it is 16pin socket, if your car is 14pin diagnostic socket please contact us for the solution.)
- 49 RESET+ 46 SERVICES- Performs: Oil Reset, EPB,SAS,Throttle, D-P - F, Battery, ABS, Injector, TPMS, Suspension, AC, Head Lamp, Body Stablity, Engine, Tramsmission, Airbag, Seat, Door-Win-Roof, Fuel Pump, Door, E-G- R.+21 NEWEST SERVICES( Need update scanner)-AdBlue, Clutch, Crankshaft, High Voltage Battery
, Cruise Control, NO xSensor, Rain Sensor, Stop And Start, Turbocharger, Head Up Display, Radar Camera, Vehicle Setup, Cyliner Misfire Check,Speedlimitassist, ControlUnitReset,OxygenSensor, Seatbelt. Extra 46+ extra services based on car brand.(Tips: Quantity of reset/ calibration fucitons are based on car system that your vehicle model has) - REVOLUTIONARY 40000+BIDIRECTIONAL ACTIVE TESTS: Upgraded CR Max scanner equip with numberous of actuational test items for covering all available vehicle control modules, no longer only do simple light test or window test like other scanners, performs hardware modules test and software control modules test for checking car units or new updated control moduels work well or not after maintenance/ repair/ re-installation/ control system updated (Example for Benz- Roller Sun Blind test; Backup Camera test ;Self-test; EPB test; Transport Mode test;Boost Pressure Positioner test; Fuel Pump test; AND MORE!!).(Warm tip: The available test items are based on control modules your car has)
- ECU CODING+ BATTERY REGISTRATION- Powerful ECU Coding service for BMW
/MINI
/RollsRoyce / Audi
/VW
/Seat/Skoda/Bentley
/Bugatti
/Lamborghini
, Improves Engine Power Performance and Optimizes Fuel Efficiency and Match New Hardware Unit to car and Customized a comfortable Driving Modes and Fixes & Updates Original Software Bug. The battery test function for checking car battery health, perform battery reset (BMS ) for replacing a damaged or aging car battery with a new one and register new battery to car ECU
- 【WHY CHOOSE CR PRO+】COST-EFFECTIVE BIDIRECTIONAL OBD2 SCANNER, COST 80 LESS THAN CR MAX, WITH THE SAME maintenance services as CR MAX, 49 Reset + 46 Brand-Specific services & ECU coding( for AU DI/BM W/ V W ONLY), OEM-level active tesing, multi-systems diagnostic(More than 4 basic systems), powerful full OBD2 functions. 2.0 GHz 4 core CPU, 16GB memory .Warm Tip: Some car models with FCA
gateways, causing scanners failed diagnostic, please contact us for additional FCA
adapter (please check the details in the following description) - 【CONTACT US TO CONFIRM 】Few models need a special adapter cable, which will be available soon, please contact us for check if you are the following models: (2018&later) for Chrysler
: 300, Great Jetdragon; for Dodge
: Challenger
, Warhorse, Durango, Cooley, Rams 1500, Rams 2500, Rams 3500, Rams 4500, Rams 5500; for JEEP
: Grand Cherokee, Free Man, New Wrangler (JL), Grand Commander. (2019&later) for JEEP
: Free Light, Compass. (2020&later)for JEEP
: Gladiator. (2018&later) for Alfa Romeo
: GIULIA; for Fiat
: 500L, 500X, 500, Novo Uno fl, Toro. (2018&later) for Maserati
. CONTACTING US FOR FCA
GATEWAY ADAPTER. - 【Bidirectional Test Covers 180,00+ vehicles】The CR Pro+ offers extensive actuator coverage, up to 9981 tests for AUDI
A4, 4117 tests for Land Rover
, 7092 tests for VW
0B-Magotan, 60776 tests for GM Chevrolet
, 24611 for Benz S221, 3744 for Porsche
, 114 for BMW
. Beyond sending commands to basic control-units like headlights, mirrors, A/C clutches, fans, windows, doors and more, CR Pro+ CR Pro+ perform real-time bidirectional control with deeper ECU access, such as complex sensor or electronic responses or inner unit like fuel pump, injector, ignition coil, main relay, transmission coolant valve to catch potential issues. It enables you quickly locate the faults, avoid needless pa r.t swap. - 【COST-EFFECTIVE 49 RESET SERVICE】iCarsoft Pro+features all Reset/ Adaptation/ Calibration/ Initialization service including ABS Reset/ Oil Reset/ EPB Reset/ ETC Reset/ INJ Reset/ SAS Reset/ BLD Reset/ BMS Reset/ LAP Reset/ SPS Reset/ TPMS Reset/ACS Reset/ AFS Reset/ FPP Reset/ IDL Reset/ BSC Reset/ Door Reset/ Seat Reset/ TCM Reset/ Service Interval Reset/ Brake Reset/ DWR Reset/ ECM Reset etc. IMPORTANT: CR PRO+ has been upgraded to provides numerous car maintenance functions for maintaining car systems/control units outside the systems corresponding to the above functions (in miscellaneous). NOTE:Above services vary by vehicle models, please contact us for the service list for your cars.
- 【OE MULTI-SYSTEMS DIAGNOSTICS】CR Pro+ can diagnose main vehicle systems like Engine, TCM, ABS, Airbag, Brake, BMS, Battery, windows, etc,AND ALSO diagnose vehicle specific systems like Antenna Module / Communication Control Module/ Parking Lock/Voice Control/ AC Reducing Agent Metering System,etc, helping to detect existing faults and potential faults, giving you complete vehicle health analysis. It displays module Info, real-time data graphs, such as transmission temperature, saves freeze frames to pinpoint intermittent faults. Note: Available systems vary by model. Each car model has unique systems. You can contact us for diagnoseable systems of your vehicle.
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.




