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.
T-SB-0013-19
January 16, 2019
MIL ON DTC P261093
Service
Category
Engine/Hybrid System
Section
Engine Control
Market USA
Applicability
YEAR(S)
MODEL(S)
2018
Camry, Camry HV
2017 - 2018
Prius Prime, Sienna
2016 - 2018
Prius, Tacoma
ADDITIONAL INFORMATION
Introduction
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.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG1822
0.4
89661-#####
8A
99
NOTE
For Sienna vehicles ONLY:
Due to a hardware change, refer to T-SB-0001-18, Transaxle Assembly and ECM (PCM) Software
Confirmation to determine the correct OFP.
For Camry vehicles ONLY:
Due to a hardware change, refer to T-SB-0010-18, Transaxle Assembly and ECM (PCM) Software
Confirmation to determine the correct OFP.
APPLICABLE WARRANTY
This repair is covered under the Toyota Federal 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.
© 2019 Toyota Motor Sales, USA
Page 1 of 15
T-SB-0013-19
January 16, 2019
Page 2 of 15
MIL ON DTC P261093
Parts Information
Table 1. Sienna (2GR-FKS Engine)
PART NUMBER
YEAR
DRIVETRAIN
TIMING
PREVIOUS
NEW
Before Hardware Change*
89661-08160
89661-08163
89661-08164
89661-08165
89661-08166
After Hardware Change*
89661-08530
89661-08531
Before Hardware Change*
89661-08440
89661-08443
89661-08444
89661-08445
89661-08446
After Hardware Change*
89661-08540
8661-08541
Before Hardware Change*
89661-08400
89661-08401
After Hardware Change*
88961-08580
89661-08581
Before Hardware Change*
89661-08460
89661-08461
After Hardware Change*
89661-08590
89661-08591
2WD
PART NAME
QTY
Computer, Engine
Control (ECM)
–
2017
4WD
2WD
2018
4WD
*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 3 of 15
MIL ON DTC P261093
Parts Information (continued)
Table 2. Camry (2WD)
PART NUMBER
YEAR
ENGINE
TIMING
PREVIOUS
NEW
Before Hardware Change*
(NAP)
89661-06X50
89661-06X51
89661-06X52
89661-06Y00
89661-06Y01
89661-06Y02
After Hardware Change*
(NAP)
89661-06X50
89661-06X51
89661-06X52
89661-06X53
89661-06X54
89661-06X55
Before Hardware Change*
(JPP)
89661-33T40
89661-33T41
89661-33T42
89661-33T30
89661-33T31
89661-33T32
After Hardware Change*
(JPP)
89661-33T40
89661-33T41
89661-33T42
89661-33T43
89661-33T44
89661-33T45
Before Hardware Change*
89661-06Y20-A
89661-06Y21
After Hardware Change*
89661-0X170
89661-0X171
PART NAME
QTY
Computer, Engine
Control (ECM)
–
A25A-FKS
2018
2GR-FKS
*To determine whether the vehicle is before or after hardware change, reference T-SB-0010-18, Transaxle Assembly
and ECM (PCM) Software Confirmation.
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 4 of 15
MIL ON DTC P261093
Parts Information (continued)
Table 3.
MODEL
Camry
HV
Prius
Prime
YEAR
2018
PART NUMBER
ENGINE
2017
–
2018
2016
–
2018
2016
–
2017
Tacoma
PREVIOUS
NEW
2WD
Lithium-ion
89661-06N40
89661-06N41
89661-06N42
89661-06N43
2WD
Nickel-metal
hydride
89661-0X280
89661-0X281
89661-0X282
2WD
89661-47750
89661-47751
2WD
Nickel-metal
hydride
89661-47640
89661-47641
89661-47642
89661-47643
2WD
Lithium-ion
89661-47650
89661-47651
89661-47652
89661-47653
2WD/4WD
89661-04K53
89661-04K52
89661-04K51
89661-04K50
89661-04K54
4WD
89661-04K62
89661-04K61
89661-04K60
89661-04K63
2WD/4WD
89661-04K71-A
89661-04K70
89661-04K71-B
2WD/4WD
89661-04K20-A
89661-04K21
4WD
89661-04K30
89661-04K31
2WD/4WD
89661-04K40-A
89661-04K40-B
PART NAME
QTY
Computer, Engine
Control (ECM)
–
Authorized
Modifications
Labels
1
A25A-FXS
2ZR-FXE
Prius
DRIVETRAIN
2GR-FKS
2018
–
00451-00001-LB L
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.
© 2019 Toyota Motor Sales, USA
T-SB-0013-19
January 16, 2019
Page 5 of 15
MIL ON DTC P261093
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream 2.0*
QTY
TS2UNIT
Techstream Lite
ADE
TSLITEPDLR01
- 6X better wear protection on critical engine parts than...
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full...
- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN...
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
- Extra detergents safeguard against friction, corrosion and...
- Advanced friction-fighting additives help maximize...
- Provides performance benefits for high mileage, new and...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
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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:
Previous TSB | Next TSB |
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