NHTSA ID Number: 10134104
Manufacturer Communication Number: L-SB-0025-16
TSB/Document Date: 2018-04-23
Summary
TSB: Some 2015 model year RX 350 vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2610 present, indicating an ECM/PCM Engine OFF Timer Performance issue. The Engine Control Module (ECM) logic has been modified to reduce the possibility of this condition. Please follow the Repair Procedure below to address this condition.
L-SB-0025-16
June 23, 2016
MIL "ON" DTC P2610
Service
Category
Market USA
Section
Applicability
YEAR(S)
MODEL(S)
2015
RX350
ADDITIONAL INFORMATION
Introduction
Some 2015 model year RX 350 vehicles may exhibit a MIL “ON” condition with Diagnostic
Trouble Code (DTC) P2610 present, indicating an ECM/PCM Engine OFF Timer Performance
issue. The Engine Control Module (ECM) logic has been modified to reduce the possibility of this
condition. Please follow the Repair Procedure below to address this condition.
Warranty Information
OP
CODE
EG1608
DESCRIPTION
TIME
0.4
PRODUCTION PLANT
TMMC (CANADA)
TMK (JAPAN)
DRIVETRAIN
OFP
4WD 8AT
89661-0E710
FF 6AT
89661-0E690
4WD 6AT
89661-0E700
FF 6AT
89661-48R00
4WD 6AT
89661-48R10
T1
T2
8A
99
APPLICABLE WARRANTY
This repair is covered under the Lexus
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.
© 2016 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 5
L-SB-0025-16
June 23, 2016
Page 2 of 5
MIL "ON" DTC P2610
Parts Information
PART NUMBER
PRODUCTION
PLANT
DRIVETRAIN
TMMC
(Canada)
PART NAME
QTY
PREVIOUS
NEW
4WD 8AT
89661-0E710
89661-0E711
–
FF 6AT
89661-0E690
89661-0E691
–
4WD 6AT
89661-0E700
89661-0E701
–
Computer, Engine Control (ECM)
TMK
(Japan)
FF 6AT
89661-48R00
89661-48R01
–
4WD 6AT
89661-48R10
89661-48R11
–
–
–
00451-00001-LBL
Authorized Modification Labels
1
NOTE
The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
Authorized Modification Labels may be ordered in packages of 25 from the Materials
Distribution Center (MDC) through Dealer Daily – Dealer Support Materials Orders.
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream 2.0*
Techstream Lite
QTY
TS2UNIT
ADE
TSLITEPDLR01
Techstream Lite (Green Cable)
1
TSLP2DLR01
NOTE
Only ONE of the Techstream units listed above is required.
Software version 11.10.034 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
The Diagnostic Tester is NOT recommended for flash reprogramming.
Please use Techstream or an approved J2534 interface to perform flash
reprogramming updates. Visit techinfo.toyota.com for more information
regarding J2534 reprogramming.
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
GR8 Battery Diagnostic Station*
00002-MCGR8
1
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
* Essential SST.
© 2016 Lexus, a division of Toyota Motor Sales, USA
L-SB-0025-16
June 23, 2016
Page 3 of 5
MIL "ON" DTC P2610
Calibration Information
CALIBRATION ID
DRIVETRAIN
PREVIOUS
NEW
4WD 8AT
30E32000
30E32100
FF 6AT
348Q0000
348Q0100
4WD 6AT
348Q1000
348Q1100
© 2016 Lexus, a division of Toyota Motor Sales, USA
L-SB-0025-16
June 23, 2016
Page 4 of 5
MIL "ON" DTC P2610
Repair Procedure
1. Using Techstream, check for stored DTCs. Confirm the following DTC is present:
P2610 – ECM/PCM Engine Off Timer Performance
2. Check for the Authorized Modifications Label affixed to the vehicles in the location shown
below. Confirm if the ECM (PCM) calibration has been updated. If the calibration ID listed is
NOT the latest ECM (PCM) calibration – go to step 3. If the calibration ID IS the latest ECM
(PCM) calibration, disregard this TSB and continue diagnosis per the Repair Manual.
Figure 1. Location of Authorized Modification Label for 2015 RX 350
1
Replacement ECM (PCM) Part Number
(i.e., 89661-0E711 or 89661-0E691, etc.)
4
Date Completed
2
New Calibration ID (i.e., 30E32100 or
348Q01000)
5
This SB Number
3
Dealer Code
© 2016 Lexus, a division of Toyota Motor Sales, USA
L-SB-0025-16
June 23, 2016
Page 5 of 5
MIL "ON" DTC P2610
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 13.5 volts while flash reprogramming vehicle.
For details on how to use the GR8 Battery Diagnostic Station, refer to the
GR8 Instruction Manual located on the Technical Information System (TIS), Diagnostics –
Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in Service Bulletin No. L-SB-0021-14, “Techstream ECU
Flash Reprogramming Procedure,” and flash the ECM (PCM) with the NEW calibration
file update.
4. Install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:
ECM 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]
5. Affix the Authorized Modifications Label to the vehicle at the location shown. The Authorized
Modifications Label is available through the MDC, P/N 00451-00001-LBL.
6. Test drive the vehicle to confirm proper vehicle operation.
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TSB/Document ID: L-SB-0025-16
Replacement Service Bulletin Number:
MFR Communication Date: 2016-06-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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