NHTSA ID Number: 10153282
Manufacturer Communication Number: T-SB-0013-19
TSB/Document Date: 2019-02-19
Summary
TSB: Some 2016 - 2018 model year Prius and Tacoma, 2017 - 2018 model year Prius Prime and Sienna, and 2018 model year Camry and Camry Hybrid
vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P261093 (ECM/PCM Engine Off Timer Performance No Operation) present. 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.
896630828600
Sub
896650807000
896650807100
896650807200
Main
896630828000
896630828300
896630828400
896630828500
896630828600
896630846000
896630846100
Sub
896650807000
896650807100
896650807200
896650819000
Main
896630836000
896630836300
896630836400
896630836500
896630836600
Sub
896650808000
896650808100
896650808200
Main
896630836000
896630836300
896630836400
896630836500
896630836600
896630847000
896630847100
Sub
896650808000
896650808100
896650808200
896650820000
Before Hardware
Change*
2WD
After Hardware
Change*
Sienna
2017
CALIBRATION ID
2GR-FKS
Before Hardware
Change*
4WD
After Hardware
Change*
*To determine whether the vehicle is before or after hardware change, reference T-SB-0001-18, Transaxle Assembly
and ECM (PCM) Software Confirmation.
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 10 of 15
MIL ON DTC P261093
Calibration Information (continued)
MODEL
YEAR
ENGINE
DRIVETRAIN
TIMING
ECU
TYPE
Before Hardware
Change*
Main
2WD
After Hardware
Change*
Sub
Sienna
2018
CALIBRATION ID
PREVIOUS
NEW
896630832000
896630832100
896630832000
896630832100
896630851000
896630851100
896650811000
896650823000
896650823100
896630838000
896630838100
896630838000
896630838100
896630852000
896630852100
896650812000
896650824000
896650824100
2GR-FKS
Before Hardware
Change*
Main
4WD
After Hardware
Change*
Sub
*To determine whether the vehicle is before or after hardware change, reference T-SB-0001-18, Transaxle Assembly
and ECM (PCM) Software Confirmation.
Repair Procedure
1. Using Techstream, check for DTC P261093 (ECM/PCM Engine Off Timer Performance
No Operation).
Is DTC P261093 present?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 11 of 15
MIL ON DTC P261093
Repair Procedure (continued)
2. Check for the Authorized Modifications Label affixed to the vehicle in the locations shown in
Figures 1 – 4. Confirm if the ECM (PCM) calibration has been updated.
Is the calibration ID listed 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 2018 Camry and Camry HV
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., 89661-06Y02)
4
Date Com pleted
2
New Calibration ID (e.g., 8966333P3200)
5
This SB Num ber
3
Dealer Code
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 12 of 15
MIL ON DTC P261093
Repair Procedure (continued)
Figure 2. Location of Authorized Modifications Label on 2017 – 2018 Prius Prime and 2016 – 2018 Prius
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., 89661-47643)
4
Date Com pleted
2
New Calibration ID (e.g., 896634759300)
5
This SB Num ber
3
Dealer Code
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 13 of 15
MIL ON DTC P261093
Repair Procedure (continued)
Figure 3. Location of Authorized Modifications Label on 2017 – 2018 Sienna
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., 89661-08166)
4
Date Com pleted
2
New Calibration ID (e.g., 896630828600)
5
This SB Num ber
3
Dealer Code
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 14 of 15
MIL ON DTC P261093
Repair Procedure (continued)
Figure 4. Location of Authorized Modifications Label on 2016 – 2018 Tacoma
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., 89661-04K54)
4
Date Com pleted
2
New Calibration ID (e.g., 8966304B0400)
5
This SB Num ber
3
Dealer Code
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 15 of 15
MIL ON DTC P261093
Repair Procedure (continued)
3. Flash reprogram the ECM (PCM).
NOTE
The GR8 battery diagnostic station 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 GR8 battery diagnostic station, refer to the GR8 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
Figures 1 – 4. The Authorized Modifications Label is available through the MDC,
P/N 00451-00001-LBL.
5. Test-drive the vehicle to confirm proper operation.
© 2019 Toyota Motor Sales, USA
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TSB/Document ID: T-SB-0013-19
Replacement Service Bulletin Number:
MFR Communication Date: 2019-01-16
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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