NHTSA ID Number: 10236213
Manufacturer Communication Number: T-SB-0020-23
TSB/Document Date: 2023-05-15
Summary
TSB: Some 2022 ? 2023 model year Corolla Cross vehicles may exhibit an intermittent condition during windshield wiper operation where the stop and start system does one or both of the following: ?Does not restart the engine. ?Reactivates after being manually canceled. The stop and start ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to correct this condition.
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TSB/Document ID: T-SB-0020-23
Replacement Service Bulletin Number:
MFR Communication Date: 2023-04-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: VISIBILITY:WINDSHIELD WIPER/WASHER
MFR Component System:
MFR Component Subsystem:
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T-SB-0020-23
April 27, 2023
Stop and Start System - Intermittent No Restart During
Wiper Operation
Service
Category
Engine/Hybrid
System
Section
Starting
Market USA and
Mexico
Applicability
YEAR(S)
MODEL(S)
2022 - 2023
Corolla Cross
ADDITIONAL INFORMATION
Introduction
Some 2022 – 2023 model year Corolla Cross vehicles may exhibit an intermittent condition during
windshield wiper operation where the stop and start system does one or both of the following:
Does not restart the engine.
Reactivates after being manually canceled.
NOTE
The engine remains able to be restarted manually.
The stop and start ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to
correct this condition. Follow the Repair Procedure in this bulletin to address this condition.
© 2023 Toyota Motor Sales, USA
Page 1 of 8
T-SB-0020-23
April 27, 2023
Page 2 of 8
Stop and Start System - Intermittent No Restart During Wiper Operation
Table of Contents
Warranty Information ................................................................................................................. 3
For USA Market .................................................................................................................... 3
For Mexico Market ................................................................................................................ 3
Parts Information ....................................................................................................................... 4
For USA Market .................................................................................................................... 4
For Mexico Market ................................................................................................................ 4
Required Tools & Equipment ..................................................................................................... 5
Calibration Information ............................................................................................................... 6
For USA Market .................................................................................................................... 6
For Mexico Market ................................................................................................................ 6
Repair Procedure ....................................................................................................................... 6
© 2023 Toyota Motor Sales, USA
T-SB-0020-23
April 27, 2023
Page 3 of 8
Stop and Start System - Intermittent No Restart During Wiper Operation
Warranty Information
For USA Market
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG2302
Reprogram the Stop and Start ECM (PCM)
0.4
89261-#####*
81
74
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle
being repaired by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
This repair is covered under the Toyota Basic Warranty. This warranty is in effect for
36 months or 36,000 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.
For Mexico Market
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG2302
Reprogram the Stop and Start ECM (PCM)
0.4
89261-#####*
81
74
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle
being repaired by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
This repair is covered under the Toyota Basic Warranty. This warranty is in effect for
36 months or 60,000 kilometers, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2023 Toyota Motor Sales, USA
T-SB-0020-23
April 27, 2023
Page 4 of 8
Stop and Start System - Intermittent No Restart During Wiper Operation
Parts Information
For USA Market
PART NUMBER
PREVIOUS
NEW
89261-0A010
89261-0A011
89261-0A040
89261-0A041
00451-00001-LBL
PART NAME
QTY
Computer, Engine Stop and Start (PCM)
–
Authorized Modifications Label
1
NOTE
The Stop and Start 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) (portal.toyotamdc.com) under item No. 00451-00001-LBL.
For Mexico Market
PART NUMBER
PREVIOUS
NEW
89261-0A010
89261-0A011
89261-0A050
89261-0A051
00451-00002-MEX
PART NAME
QTY
Computer, Engine Stop and Start (PCM)
–
Authorized Modifications Label
1
NOTE
The Stop and Start 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) (portal.toyotamdc.com) under item No. 00451-00002-MEX.
© 2023 Toyota Motor Sales, USA
T-SB-0020-23
April 27, 2023
Page 5 of 8
Stop and Start System - Intermittent No Restart During Wiper Operation
Required Tools & Equipment
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 (USA) or 01-800-504-5330 (Mexico).
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.
GTS+ software version 2022.04.004.02 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787 (USA) or 01-55-50103041 (Mexico)
Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
© 2023 Toyota Motor Sales, USA
T-SB-0020-23
April 27, 2023
Page 6 of 8
Stop and Start System - Intermittent No Restart During Wiper Operation
Calibration Information
For USA Market
CALIBRATION ID
MODEL
MODEL YEAR
PREVIOUS
NEW
2022
892630A01000
892630A01100
2023
892630A04000
892630A04100
Corolla Cross
For Mexico Market
CALIBRATION ID
MODEL
MODEL YEAR
PREVIOUS
NEW
2022
892630A01000
892630A01100
2023
892630A05000
892630A05100
Corolla Cross
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit one or both of the conditions listed in the Introduction?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2023 Toyota Motor Sales, USA
T-SB-0020-23
April 27, 2023
Page 7 of 8
Stop and Start System - Intermittent No Restart During Wiper Operation
Repair Procedure (continued)
2. Use Techstream to confirm if the stop and start 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 stop and start 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 2022 – 2023 Corolla Cross
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:
DATE:
4
5
1
Replacement Stop and Start ECM (PCM)
Part Number (e.g., 89261-0A011)
4
Date Completed
2
New Calibration ID (e.g., 892630A01100)
5
This SB Number
3
Dealer Code
© 2023 Toyota Motor Sales, USA
T-SB-0020-23
April 27, 2023
Page 8 of 8
Stop and Start System - Intermittent No Restart During Wiper Operation
Repair Procedure (continued)
3. Flash reprogram the stop and start 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 T-SB-0107-20, ECU Flash Reprogramming With Security
Signature, and flash the stop and start 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:
Stop and start 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 (USA) or 00451-00002-MEX (Mexico).
5. Test-drive the vehicle to confirm proper operation.
© 2023 Toyota Motor Sales, USA
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