NHTSA ID Number: 10164332
Manufacturer Communication Number: L-SB-0032-19
TSB/Document Date: 2019-09-03
Summary
TSB: 2016 ? 2019 model year RX350 and RX350L vehicles may exhibit one or both of the following conditions: ? A bucking feeling (back and forth jerking that comes right after a shift but then dissipates quickly after 1 ? 2 and/or 2 ? 3 upshifts) ? A surge feeling (back and forth rocking that is not associated with transmission shifts) when the vehicle is traveling between 0 ? 46 mph, transmission is in 3rd ? 8th gear, and torque converter is in full lock-up The Engine Control Module/ECM (SAE Term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of these conditions. Follow the Repair Procedure in this bulletin to address these conditions.
or DCA-8000P T
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
© 2019 Lexus
, a division of Toyota Motor Sales, USA
L-SB-0032-19
July 2, 2019
Page 5 of 9
Vehicle Bucking on 1 - 2 and/or 2 - 3 Upshifts and Surge Between 0 - 46 mph
Calibration Information
CALIBRATION ID
MODEL
MODEL YEAR
WMI
DRIVETRAIN
2WD
Non F-Sport
PREVIOUS
NEW
896630E36100
896630E36200
896630E36300
896630E36400
896630E36500
896630E36600 /
896650E05400
896650E05100
896650E05200
896650E05300
2WD
F-Sport
896630E54000
896630E54100
896630E54200
896630E54300
896630E54400 /
896650E05400
896650E05200
896650E05300
896650E05100
RX350
2016 – 2017
2T2
4WD
Non F-Sport
896630E41000
896630E41100
896630E41200
896630E41300
896630E41400
896630E41500 /
896650E05400
896650E05100
896650E05200
896650E05300
4WD
F-Sport
896630E37100
896630E37200
896630E37300
896630E37400
896630E37500
896650E05100
896650E05200
896650E05300
© 2019 Lexus, a division of Toyota Motor Sales, USA
896630E37600 /
896650E05400
L-SB-0032-19
July 2, 2019
Page 6 of 9
Vehicle Bucking on 1 - 2 and/or 2 - 3 Upshifts and Surge Between 0 - 46 mph
Calibration Information (continued)
CALIBRATION ID
MODEL
MODEL YEAR
2016
WMI
JTJ
DRIVETRAIN
4WD
Non F-Sport
PREVIOUS
NEW
896630E41000
896630E41100
896630E41200
896630E41300
896630E41400
896630E41500 /
896650E05400
896650E05100
896650E05200
896650E05300
2WD
Non F-Sport
RX350
2WD
F-Sport
2018 – 2019
2T2
4WD
Non F-Sport
4WD
F-Sport
896630E58000
896630EA3000
896630EA3100
896650E24000
896650E48000
896650E48100
896630E59000
896630EA5000
896630EA5100
896650E24000
896650E48000
896650E48100
896630E60000
896630EA4000
896630EA4100
896650E24000
896650E48000
896650E48100
896630E61000
896630EA6000
896630EA6100
896650E24000
896650E48000
896650E48100
© 2019 Lexus, a division of Toyota Motor Sales, USA
896630EA3200 /
896650E48200
896630EA5200 /
896650E48200
896630EA4200 /
896650E48200
896630EA6200 /
896650E48200
L-SB-0032-19
July 2, 2019
Page 7 of 9
Vehicle Bucking on 1 - 2 and/or 2 - 3 Upshifts and Surge Between 0 - 46 mph
Calibration Information (continued)
CALIBRATION ID
MODEL
MODEL YEAR
WMI
DRIVETRAIN
4WD
Non F-Sport
RX350
2018 – 2019
PREVIOUS
896630E60000
896630EA4000
896630EA4100
896650E24000
896650E48000
896650E48100
8966348S6000
8966348W1000
8966348W1100
JTJ
2WD
896654843000
896654852000
896654852100
NEW
896630EA4200 /
896650E48200
8966348W1200 /
896654852200
RX350L
8966348S7000
8966348W2000
8966348W2100
4WD
896654843000
896654852000
896654852100
8966348W2200 /
896654852200
Repair Procedure
1. Confirm the condition exists.
A. Is there a bucking feeling following 1 – 2 and/or 2 – 3 upshifts?
YES — Go to step 2.
NO — Continue to substep B.
B. Is there a surge feeling?
YES — Continue to substep C.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
C. Using Techstream, does the surge feeling occur while meeting ALL the following criteria?
Vehicle is traveling between 0 – 46 mph
Transmission is in 3rd – 8th gear
Torque converter in full lock-up
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2019 Lexus, a division of Toyota Motor Sales, USA
L-SB-0032-19
July 2, 2019
Page 8 of 9
Vehicle Bucking on 1 - 2 and/or 2 - 3 Upshifts and Surge Between 0 - 46 mph
Repair Procedure (continued)
2. Use Techstream to confirm if the ECM (PCM) calibration has been updated and check for the
Authorized Modifications Label affixed to the vehicle in the location shown below.
Is the calibration ID listed in Techstream and on the label the latest ECM (PCM) calibration?
YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
NO — Continue to step 3.
Figure 1. Location of Authorized Modifications Label on 2016 – 2019 RX350
TOYOTA MOTOR CORPORATION
A UTHORIZE D
M OD IF IC A TIONS
THE FOLLOWING MODIFICATIONS HAVE BEEN MADE:
1
2
THESE MODIFICATIONS HAVE BEEN APPROVED
AS APPROPRIATE BY EPA AND CARB
3
DEALER CODE:
CHANGE AUTHORITY:
4
DATE:
5
1
Replacement ECM (PCM) Part Number
(e.g., 89661-0E765)
4
Date Com pleted
2
New Calibration ID (e.g., 896630E36600)
5
This SB Num ber
3
Dealer Code
© 2019 Lexus, a division of Toyota Motor Sales, USA
L-SB-0032-19
July 2, 2019
Page 9 of 9
Vehicle Bucking on 1 - 2 and/or 2 - 3 Upshifts and Surge Between 0 - 46 mph
Repair Procedure (continued)
3. Flash reprogram the ECM (PCM).
NOTE
The battery diagnostic tool MUST be used in Power Supply Mode to maintain battery voltage at
13.5V while flash reprogramming the vehicle.
For details on how to use the battery diagnostic tool, refer to the DCA-8000 Instruction Manual
located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in Service Bulletin T-SB-0134-16, Techstream ECU Flash
Reprogramming Procedure, and flash the ECM (PCM) with the NEW calibration file update.
4. Prepare and install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:
ECM (PCM) part number [Refer to the Parts Information section for the NEW
PART NUMBER]
Calibration ID(s) [Refer to the Calibration Information section for the
NEW CALIBRATION ID]
Dealer Code
Repair Date
Change Authority [This bulletin number]
B. Install the Authorized Modifications Label onto the vehicle at the location shown in
Figure 1. The Authorized Modifications Label is available through the MDC,
P/N 00451-00001-LBL.
5. Test-drive the vehicle to confirm proper operation.
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TSB/Document ID: L-SB-0032-19
Replacement Service Bulletin Number:
MFR Communication Date: 2019-07-02
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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