NHTSA ID Number: 10132077
Manufacturer Communication Number: L-SB-0126-12 Rev
TSB/Document Date: 2018-04-02
Summary
Some 2006 model year GS 300 and 2006 ? 2007 model year GS 430 vehicles may exhibit a harsh 2-1 downshift when coming to a stop. Use the repair procedure in this bulletin to address this condition.
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)
- 💝【Questions? We’re Here Anytime】MK808S is a...
- 🔥🔥🔥【2026 NEWLY RELEASED BI-DIRECTIONAL...
- 【28+ MOST POPULAR RESET SERVICE FOR 150 MAKES】Autel...
- 【ALL SYSTEM DIAGNOSTICS, FACTORY-LEVEL SCANNER】The...
- 【AUT0 SCAN & AUT0V1N, 10X FASTER】How much have you spent...
- 💯【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...
This product presentation was made with AAWP plugin.
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-0126-12 Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2013-11-15
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: VEHICLE SPEED CONTROL
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
L-SB-0126-12
Rev1
December 4, 2012
Harsh 2-1 Downshift When Coming to a Stop
Service
Category
Drivetrain
Section
Automatic Transmission/Transaxle
Market
USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2006
GS300
Drive Type(s): 2WD, 4WD
Transmission(s): 6AT
VDS(s): BH96S, CH96S
2006 – 2007
GS430
Drive Type(s): 2WD
Transmission(s): 6AT
VDS(s): BN96S
REVISION NOTICE
November 15, 2013 Rev1:
• Applicability has been updated to include 2006 – 2007 model year GS 430 vehicles.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2006 model year GS 300 and 2006 – 2007 model year GS 430 vehicles may exhibit a harsh 2-1
downshift when coming to a stop. Use the repair procedure in this bulletin to address this condition.
Warranty Information
OP CODE
DESCRIPTION
MODEL
GS 300
895011
TIME
OFP
0.6
89666-30351
89666-30361
89666-30354
89666-30364
R & R ECM
GS 430
0.5
T1
T2
05 73
89666-30284
89661-30D61
APPLICABLE WARRANTY
• This repair is covered under the Lexus
Federal Emission Warranty. This warranty is in effect
for 96 months or 80,000 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.
© 2013 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 3
L-SB-0126-12
Rev1
December 4, 2012
Page 2 of 3
Harsh 2-1 Downshift When Coming to a Stop
Parts Information
MODEL
MODEL
YEAR
PART NUMBER
DRIVETRAIN
2WD
GS 300
2006
GS 430
4WD
2WD
2007
PREVIOUS
NEW
89666-30350
89666-30351
89661-30W70
89666-30352
89666-30353
89666-30354
89666-30355
89666-30360
89666-30361
89661-30W80
89666-30362
89666-30363
89666-30364
89666-30365
89666-30280
89666-30281
89666-30282
89666-30283
89666-30284
89666-30285
89661-30D60
89661-30D61
89661-30D62
PART NAME
QTY
Engine Control Computer
1
Repair Procedure
1. Test drive the vehicle and confirm the condition.
2. Is there a harsh 2-1 downshift at slow speeds when coming to a stop?
• YES – Go to step 3.
• NO – This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
© 2013 Lexus, a division of Toyota Motor Sales, USA
L-SB-0126-12
Rev1
December 4, 2012
Page 3 of 3
Harsh 2-1 Downshift When Coming to a Stop
Repair Procedure (Continued)
3. Replace the ECM.
NOTE
Before replacing the ECM for this issue, perform basic transmission checks including fluid
level inspection to confirm there are no other transmission related issues.
Refer to the Technical Information System (TIS), applicable model and model year Repair
Manual:
• 2006 GS 300:
Engine/Hybrid System – Engine Control – “3GR-FSE Engine Control System: ECM:
Removal / Installation”
• 2006 GS 430:
Engine/Hybrid System – Engine Control – “3UZ-FE Engine Control System: ECM:
Removal / Installation”
• 2007 GS 430:
Engine/Hybrid System – Engine Control – “3UZ-FE Engine Control System: ECM:
Removal / Installation”
4. Test drive the vehicle and confirm the repair.
- 🎉[OTOFIX D1 Lite, Perfect Cost-effective Diagnostic Tool]: OTOFIX D1 Lite, a newest bidirectional scan tool from OTOFIX company, is a great choice for DIYers and repair shops. 👉This obd2 scanner diagnostic tool packs all practical functions: OE level all systems diagnoses, Bi-Directional Control, 38+ reset services fixing 99% of common problems, support DoIP & CANDF protocols and FCA
AutoAuth, high-end hardware configuration. Worldwide vehicles and 🔥2 Years Free Updating🔥 covered. - 🎉[Bi-Directional Scan Tool, Active Test]: OTOFIX D1 Lite bluetooth obd2 scanner can also command ECUs and monitor the operation of the actuators to track down the problems of certain parts, like windows, sunroof, wipers, fuel pumps, etc., saving repair time & trouble. This makes OTOFIX D1 Lite the most cost-effective bidirectional scan tool.
- 🎉[2026 Newest, 38+ Hot Reset Functions]: Equipped with 38+ reset functions in one, the OTOFIX D1 lite automotive scanner diagnostic tool allows you to troubleshoot 99% of common vehicle problems. You can use this car diagnostic scanner holding enough functions to easily repair common vehicle models in your repair shops. Including Oil Reset, Injector Coding, Throttle, DPF Reset, SCR Reset, Gear Learning, Clutch Learning, Suspension, etc. Note* Reset functions vary by model.
- 🎉[OE Level Full Systems Diagnostics]: Unlike the 2-system and 4-system diagnostic tools, the OTOFIX auto scan tool can complete comprehensive system diagnostics within 5 minutes. It accesses and scans all available onboard systems like for Engine /AT /ABS /EPB /BMS /TPMS /SRS /SAS /Audio System /BCM /Air Conditioning / etc., to read & clear codes, view live data, and check ECU information. Note: Active test is not involved.
- 🎉[Powerful Hardware Configuration]: Designed with a fashion appearance & a 7” touchscreen and a weight of 463g, this OTOFIX D1 Lite OBD2 diagnostic scanner scan tool is convenient for everywhere and easy to use & store. Android9.0 OS and 2+64GB memory enhance multi-task smoothness and diagnostic operation, no more wasting too much time. 5800mAh battery allows hours-lasting use. WiFi & VCI1 also bring faster communication for your diagnostics.
- 🏆【2026 TOP OBD2 Scanner Diagnostic Tool】OTOFIX D1 Lite wireless obd2 scanner has upgraded hardware configuration and car coverage. The newly upgraded D1 Lite with 🔥OS Android 9.0🔥1.5Ghz 4 core high efficiency processor🔥2GB RAM+64GB ROM large storage🔥5800mAh large battery, more stable and longer lasting diagnostics🔥 38+ Reset🔥action tests🔥full system diagnostic🔥Supports MV105 endoscope🔥21+ Language Supports🔥100000+ vehicle coverage to meet all your daily maintenance needs.
- 👍【Bi-Directional Control / Active Test】D1 Lite obd2 scanner has bidirectional control(worth $300+), which is the most beloved feature among mechanic. If your headlights or car windows are broken, going to a repair shop will cost a lot of money. You can use D1 Lite to send execution commands to the ECU module and identify the repair status. Such as ABS, car windows, doors, valves, wipers, headlights, etc., effectively shorten diagnostic time and reduce diagnostic costs.
- 🔥【All Systems Diagnostics, In-depth Checking】This advanced OBD2 Scanner D1 Lite can perform OE-level diagnosis of all systems including engine, transmission, airbag, ABS, ESP, TPMS, gateway, steering, radio, and air conditioning for more than 100 brands. This diagnostic scanner supports essential functions, such as reading ECU version info, reading and clearing fault codes, and reading data streams.With just a simple click, it provides you with accurate and in-depth diagnostics.
- 🏆【38+ Reset Hot Functions】For repair workshops, holding an OTOFIX D1 Lite Auto scanner is a strong advantage over others. Its 38+ maintenance functions provide various solutions for all module repairs, including Oil Reset, TPMS Reset, Injector Coding, Suspension, Throttle Matching, etc., which will usher your repair business to a new pinnacle. Continuously updating will never make the functionality & compatibility out-of-date.
- 🏆【150+ Models, 10000+ Car Coverage & 16 Languages】D1 Lite is a comprehensive car diagnostic scan tool, help you to troubleshoot car issues fast for 95% US, European, Asian auto makes. ✅ With frequent updates and optimizations allow D1 Lite to cover more vehicles to meet your needs. ✅ Multilingual menu allows auto mechanics around the world to use it without language barriers. 🚩Note: Kindly send us the S/N of the device to authorize new language updates before changing the menu language.
- 【2026 OTOFIX D1 Lite Gives the Best Value for Money】OTOFIX D1 Lite bidirectional scan tool is more FASTER and SMARTER with 2026 Enhanced Hardwares & New Functions! 👍Alternative Bluetooth +USB connect 👍2G+64GB 👍4x ARM Cortex-A35 (1.5GHz) Processor (5X Faster CPU) 👍Android 9.0 OS 👍5G GHz WiFi 👍CANFD&DOIP 👍 FCA AutoAuth 👍38+ Services 👍3K+ Bi-Directional Control 👍Full Systems Diagnose 👍2 Years Update 👍150+ Vehicle Coverage.
- 👍【Active Tests】 OTOFIX D1 Lite is a bi-directional scan tool that can send commands to, and also receive information from vehicle control modules. This way, you can quickly locate and repair faulty auto parts. For Example: send direct commands to ask the vehicle to turn on/off the radiator fan, lights, sound horn, fuel pump, modulate throttle, open/close windows, operate mirrors and more. *Note that only available tests will be displayed in the menu.
- 👍【38+ Service Functions】 OTOFIX D1 Lite scan tool offers 38+ of the hottest service functions that are commonly used for car repairs. That include Oil reset/SAS/EPB/BMS/Throttle/ABS bleeding, and 2065-new SUS/ADBLUE/NOX/Headlamp resets (and more) to help restore your car status after repairs are done. Compared to other diagnostic scanners for cars, the OTOFIX D1 Lite scanner is much more fully-featured. *Note that specific functions available depend on the make/model/year of your car.
- 👍【All System Diagnostics + Cloud Report Management】 This 2026 car scanner OTOFIX D1 Lite provides troubleshooting and data for all ECUs: read/clear DTCs, view graphic live data/VIN, and locate system faults for safe driving. With Cloud Report Management, you can save detailed reports to cloud servers and easily shared them with others via QR codes/emails/text messages. Others can access these reports from any device (smartphones/tablets/PCs …) anytime, and you can better manage repair work.
- 👍【99% Car Coverage】 This one-station car scanner diagnostic for all cars works on 150+ major car brands across the world. 1) It supports CAN-FD/DoIP protocols: compatible with GMCAVALIER/TRAX/Encore/Envision/GL8(LSY)/CT4/CT5 after 2019; Volvo after 2018; Land Rover/Jaguar after 2017; and BM.W F/G all chassis. 2) For models equipped with security modules (such as Renault & 2018+ FCA SGW), its built-in AutoAuth allows you to easily break diagnostic barriers after registration.
This product presentation was made with AAWP plugin.
Last update on 2026-05-12 / Affiliate links / Images from Amazon Product Advertising API