NHTSA ID Number: 10187266
Manufacturer Communication Number: T-SB-0122-20 Rev
TSB/Document Date: 2021-02-16
Summary
TSB: Some 2017 ? 2018 model year Highlander and Sienna, 2018 model year Camry, and 2019 model year Avalon vehicles with and without the stop and start feature may exhibit a flex lock-up concern and MIL ON with Diagnostic Trouble Codes (DTCs) P07407E and/or P27567F. Vehicles that have experienced a delay in engagement from R to D will experience flex lock-up concerns from loss of solenoid pressure. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
896630E43300
896630E43200
896630E43100
896630E43000
896630E43400*
896650E09100
896650E09000
896650E09200*
Engine
896630E44300
896630E44200
896630E44100
896630E44000
896630E44400*
896650E10100
896650E10000
896650E10200*
Engine
896630E45300
896630E45200
896630E45100
896630E45000
896630E45400*
896650E11100
896650E11000
896650E11200*
Engine
896630E46300
896630E46200
896630E46100
896630E46000
896630E46400*
896650E12100
896650E12000
896650E12200*
Engine
896630E83000
896630E83100*
896650E41000
896650E41100*
Engine
896630E84000
896630E84100*
896650E42000
896650E42100*
Engine
896630E85000
896630E85100*
896650E43000
896650E43100*
Engine
896630E86000
896630E86100*
896650E44000
896650E44100*
Y
AWD
N
Old
Y
Highlander
2017 –
2018
FWD
N
Y
AWD
N
New
Y
FWD
N
*For Highlander and Sienna model vehicles refer to T-SB-0001-18 Transaxle Assembly and ECM (PCM) Software
Confirmation for calibration information.
© 2020 Toyota
Motor Sales, USA
T-SB-0122-20
Rev1
December 14, 2020
Page 7 of 11
Flex Lock-up Concerns and MIL ON With DTC(s) P07407E and/or P27567F
Calibration Information (continued)
MODEL
MODEL
YEAR
JUDGEMENT
(B1 Clutch)
STOP &
START
CALIBRATION ID
DRIVELINE
ECU TYPE
PREVIOUS
NEW
Engine
896630828600
896630828500
896630828400
896630828300
896630828000
896630828700*
896650807200
896650807100
896650807000
896650807300*
Engine
896630836600
896630836500
896630836400
896630836300
896630836000
896630836700*
896650808200
896650808100
896650808000
896650808300*
Engine
896630846100
896630846000
896630846200*
896650819000
896650819100*
Engine
896630847100
896630847000
896630847200*
896650820000
896650820100*
FWD
Old
Sienna
2017
N/A
AWD
FWD
New
AWD
*For Highlander and Sienna model vehicles refer to T-SB-0001-18 Transaxle Assembly and ECM (PCM) Software
Confirmation for calibration information.
© 2020 Toyota Motor Sales, USA
T-SB-0122-20
Rev1
December 14, 2020
Page 8 of 11
Flex Lock-up Concerns and MIL ON With DTC(s) P07407E and/or P27567F
Calibration Information (continued)
MODEL
MODEL
YEAR
JUDGEMENT
(B1 Clutch)
STOP &
START
CALIBRATION ID
DRIVELINE
ECU TYPE
PREVIOUS
NEW
Engine
896630832100
896630832000
896630832200*
896650811000
896650811100*
Engine
896630838100
896630838000
896630838200*
896650812000
896650812100*
Engine
896630851100
896630851000
896630851200*
896650823100
896650823000
896650823200*
Engine
896630852100
896630852000
896630852200*
896650824100
896650824000
896650824200*
Engine
8966306L5200
8966306L5100
8966306L5000
8966306L5300**
896650644000
896650644100**
Engine
8966306L4200
8966306L4100
8966306L4000
8966306L4300**
896650654000
896650654100**
Engine
896630725100
896630725200
896630725300
896630725400/
896650701100
896650701000
FWD
Old
AWD
Sienna
FWD
New
2018
AWD
N/A
Old
Camry
FWD
New
Avalon
2019
*For Highlander and Sienna model vehicles refer to T-SB-0001-18 Transaxle Assembly and ECM (PCM)
Software Confirmation for calibration information.
**For Camry model vehicles refer to T-SB-0010-18 Transaxle Assembly and ECM (PCM) Software Confirmation for
calibration information.
© 2020 Toyota Motor Sales, USA
T-SB-0122-20
Rev1
December 14, 2020
Page 9 of 11
Flex Lock-up Concerns and MIL ON With DTC(s) P07407E and/or P27567F
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit flex lock-up concerns and MIL ON with DTCs P07407E and/or
P27567F present?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Is the vehicle a Highlander, Sienna, or Camry model?
YES — Continue to step 3.
NO — For Avalon model vehicles go to step 4.
3. Follow the procedures outlined in the following bulletins to confirm that the correct
ECM (PCM) hardware and software are used based on the transaxle assembly part number
and serial number:
For 2017 – 2018 Highlander and Sienna model year vehicles follow the procedures
outlined in T-SB-0001-18 Transaxle Assembly and ECM (PCM) Software Confirmation.
For 2018 Camry model year vehicles follow the procedures outlined in T-SB-0010-18
Transaxle Assembly and ECM (PCM) Software Confirmation.
© 2020 Toyota Motor Sales, USA
T-SB-0122-20
Rev1
December 14, 2020
Page 10 of 11
Flex Lock-up Concerns and MIL ON With DTC(s) P07407E and/or P27567F
Repair Procedure (continued)
4. 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 5.
Figure 1. Location of Authorized Modifications Label on 2019 Avalon
TOYOTA MOTOR CORPORATION
AUTHORIZED MODIFICATIONS
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., 89662-07664)
4
Date Completed
2
New Calibration ID (e.g., 896650701100)
5
This SB Number
3
Dealer Code
© 2020 Toyota Motor Sales, USA
T-SB-0122-20
Rev1
December 14, 2020
Page 11 of 11
Flex Lock-up Concerns and MIL ON With DTC(s) P07407E and/or P27567F
Repair Procedure (continued)
5. 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 station, refer to the DCA-8000 Instruction
Manual located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in T-SB-0134-16, Techstream ECU Flash Reprogramming
Procedure, and flash the ECM (PCM) with the NEW calibration file update.
6. 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.
7. Test-drive the vehicle to confirm proper operation.
© 2020 Toyota Motor Sales, USA
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TSB/Document ID: T-SB-0122-20 Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2021-01-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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