T-SB-0105-20

T-SB-0105-20
October 18, 2020
Highlander Shift Flare
Service
Category
Engine/Hybrid System
Section
Engine Control
Market USA
Applicability
YEAR(S)
MODEL(S)
2020
Highlander
ADDITIONAL INFORMATION
Introduction
Some 2020 model year Highlander vehicles may exhibit a shift flare condition during wide open
throttle (WOT) acceleration from 40 – 60 mph and during the upshift from 2nd to 3rd.
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.
Warranty Information
OP CODE
TC1911
DESCRIPTION
Reprogram ECM (PCM)
TIME
OFP
T1
T2
0.4
89661-0EB61
89661-0EB70
89661-0EB81
26
99
APPLICABLE WARRANTY
 This repair is covered under the Toyota 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.
© 2020 Toyota Motor Sales, USA
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Highlander Shift Flare
Parts Information
PART NUMBER
PREVIOUS
NEW
89661-0EB61
89661-0EB62
89661-0EB70
89661-0EB71
89661-0EB81
89661-0EB82
00451-00001-LBL
PART NAME
QTY
Computer, Engine Control ECM (PCM)
–
Authorized Modifications Labels
1
NOTE
 The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
 Authorized Modifications Labels may be ordered in packages of 25 from the Materials
Distribution Center (MDC) through Dealer Daily – Parts – Dealer Support Materials Orders.
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
Techstream 2.0
Techstream Lite
PART NUMBER
QTY
TSADVUNIT
ADE
Techstream Lite (Green Cable)
TS2UNIT
TSLITEPDLR01
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 15.20.016 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
 Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
© 2020 Toyota Motor Sales, USA
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Highlander Shift Flare
Required Tools & Equipment (continued)
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Battery Diagnostic Tool*
DCA-8000P T
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
Calibration Information
CALIBRATION ID
MODEL
Highlander
PREVIOUS
NEW
896630E62000
896630E62100
896630E62200
896630E63000
896630E63100
896630E64000
896630E64100
896630E64200
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a shift flare condition (rpm increase during upshift) during WOT
acceleration from 40 – 60 mph and during the upshift from 2nd to 3rd?

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2020 Toyota Motor Sales, USA
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October 18, 2020
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Highlander Shift Flare
Repair Procedure (continued)
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 for 2020 Highlander
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., 89661-0EB62)
4
Completed Date
2
New Calibration ID (e.g., 896630E62200)
5
This SB Number
3
Dealer Code
© 2020 Toyota Motor Sales, USA
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Highlander Shift Flare
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 on the vehicle at the location shown in
Figure 1. The Authorized Modifications Label is available through the MDC,
P/N 00451-00001-LBL.
5. Start the engine and warm it up to normal operating temperature.
6. Test-drive the vehicle to confirm proper operation.
© 2020 Toyota Motor Sales, USA