NHTSA ID Number: 10153231
Manufacturer Communication Number: L-SB-0050-18
TSB/Document Date: 2019-02-19
Summary
TSB: Some 2016 ? 2017 model year IS200t, IS300, RC200t, and RX350, 2016 ? 2018 model year GS200t, GS300, GS350, and RC300, and 2018 model year IS300, IS350, and RC350 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.
L-SB-0050-18
December 14, 2018
MIL ON DTC P261093
Service
Category
Section
Engine Control
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2016 - 2018
GS200T, GS300, GS350,
RC300
2016 - 2017
IS200T, IS300, RC200T,
RX350
2018
IS300, IS350, RC350
Introduction
Some 2016 – 2017 model year IS200t, IS300, RC200t, and RX350, 2016 – 2018 model year
GS200t, GS300, GS350, and RC300, and 2018 model year IS300, IS350, and RC350 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
MODEL
YEAR
DRIVETRAIN
2016
8AR-FTS
EG1821
0.4
IS350,
IS300,
IS200t
2WD
OFP
T2
8A
99
89661-53S60
89661-53S61
89661-53S62
89661-53S63
89661-53S64
89661-53U00
89661-53U01
89661-53U02
2017
T1
89661-53V00-B
2018
2GR-FKS
4WD
89661-53V10-B
89661-53V20-B
© 2018 Lexus
, a division of Toyota Motor Sales, USA
Page 1 of 12
L-SB-0050-18
December 14, 2018
Page 2 of 12
MIL ON DTC P261093
Warranty Information (continued)
OP CODE
DESCRIPTION
TIME
MODEL
YEAR
2016
–
2017
DRIVETRAIN
OFP
2WD
89661-3AB10
89661-3AB11
4WD
89661-3AB20
89661-3AB21
2GR-FKS
2016
GS350,
GS200t
8AR-FTS
2WD
2GR-FKS
0.4
2018
RC350,
RC300,
RC200t
99
89661-3AG20
4WD
8AR-FTS
2WD
89661-3AG30
89661-24A70
89661-24A71
89661-24A72
89661-24A73
89661-24B40
89661-24B41
89661-24B42
2017
89661-24C60-B
2018
8A
89661-30Z90
89661-30Z91
89661-30Z92
89661-30Z93
89661-30Z94
89661-3AE30
89661-3AE31
2016
T2
89661-3AE30
89661-3AE31
2017
EG1821
T1
2GR-FKS
4WD
© 2018 Lexus, a division of Toyota Motor Sales, USA
89661-24C70-B
89661-24C80-B
L-SB-0050-18
December 14, 2018
Page 3 of 12
MIL ON DTC P261093
Warranty Information (continued)
OP CODE
DESCRIPTION
TIME
MODEL
YEAR
2016
–
2017
EG1821
0.4
RX350
(2T2)
DRIVETRAIN
OFP
2WD
Non-F
Sport
89661-0E760
89661-0E761
89661-0E762
2WD
F Sport
89661-0EA40
89661-0EA41
4WD
Non-F
Sport
89661-0E810
89661-0E811
89661-0E812
4WD
F Sport
89661-0E770
89661-0E771
89661-0E772
4WD
Non-F
Sport
89661-48N70
89661-48N71
89661-48N72
2GR-FKS
2016
(JTJ)
T1
T2
8A
99
APPLICABLE WARRANTY
This repair is covered under the Lexus 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.
Parts Information
PART NUMBER
MODEL
YEAR
DRIVETRAIN
2016
8AR-FTS
IS350,
IS300,
IS200t
2WD
2017
PREVIOUS
NEW
89661-53S60
89661-53S61
89661-53S62
89661-53S63
89661-53S64
89661-53S65
89661-53U00
89661-53U01
89661-53U02
89661-53U03
89661-53V00-B 89661-53V01
2018
2GR-FKS
89661-53V10-B 89661-53V11
4WD
89661-53V20-B 89661-53V21
© 2018 Lexus, a division of Toyota Motor Sales, USA
PART NAME
QTY
Computer, Engine Control
(ECM/PCM)
–
L-SB-0050-18
December 14, 2018
Page 4 of 12
MIL ON DTC P261093
Parts Information (continued)
PART NUMBER
MODEL
YEAR
2016
–
2017
DRIVETRAIN
PREVIOUS
NEW
2WD
89661-3AB10
89661-3AB11
89661-3AB12
4WD
89661-3AB20
89661-3AB21
89661-3AB22
89661-30Z90
89661-30Z91
89661-30Z92
89661-30Z93
89661-30Z94
89661-30Z95
89661-3AE30
89661-3AE31
89661-3AE32
89661-3AG20
89661-3AG21
89661-3AG30
89661-3AG31
89661-3AE30
89661-3AE31
89661-3AE32
89661-24A70
89661-24A71
89661-24A72
89661-24A73
89661-24A74
89661-24B40
89661-24B41
89661-24B42
89661-24B43
2GR-FKS
2016
GS350,
GS200t
8AR-FTS
2WD
2017
PART NAME
QTY
Computer, Engine Control
(ECM/PCM)
–
2GR-FKS
4WD
2018
2016
RC350,
RC300,
RC200t
8AR-FTS
2WD
2017
89661-24C60-B 89661-24C61
2018
2GR-FKS
4WD
89661-24C70-B 89661-24C71
89661-24C80-B 89661-24C81
© 2018 Lexus, a division of Toyota Motor Sales, USA
L-SB-0050-18
December 14, 2018
Page 5 of 12
MIL ON DTC P261093
Parts Information (continued)
PART NUMBER
MODEL
RX350
YEAR
2016
–
2017
(2T2)
2GR-FKS
2016
(JTJ)
–
DRIVETRAIN
PREVIOUS
NEW
2WD
Non-F
Sport
89661-0E760
89661-0E761
89661-0E762
89661-0E763
2WD
F Sport
89661-0EA40
89661-0EA41
89661-0EA42
4WD
Non-F
Sport
89661-0E810
89661-0E811
89661-0E812
89661-0E813
4WD
F Sport
89661-0E770
89661-0E771
89661-0E772
89661-0E773
4WD
Non-F
Sport
89661-48N70
89661-48N71
89661-48N72
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TSB/Document ID: L-SB-0050-18
Replacement Service Bulletin Number:
MFR Communication Date: 2018-12-14
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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