L-SB-0036-16

July 11, 2016

MIL "ON" DTC P2610
Service
Category

Engine/Hybrid System

Section

Engine Control

Market USA

Applicability
YEAR(S)

MODEL(S)

2014 - 2015

IS250

ADDITIONAL INFORMATION

Introduction

Some 2014 – 2015 model year IS 250 vehicles may exhibit a MIL “ON” condition with Diagnostic
Trouble Code (DTC) P2610 present, indicating an ECM/PCM engine OFF Timer Performance
condition. 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

DESCRIPTION

TIME

ENGINE

YEAR

DRIVETRAIN

OFP

2WD

89661-53N70
89661-53N71

4WD

89661-53N80
89661-53N81

2WD

89661-53R30

4WD

89661-53R40

2014
EG1606

Reprogram
ECM (PCM)

0.4

4GR-FSE

T1

T2

8A

99

2015

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-0036-16

July 11, 2016

Page 2 of 5

MIL "ON" DTC P2610
Parts Information
PART NUMBER
ENGINE

MODEL YEAR

DRIVETRAIN

PART NAME

QTY

PREVIOUS

NEW

2WD

89661-53N70
89661-53N71

89661-53N72

4WD

89661-53N80
89661-53N81

89661-53N82

2WD

89661-53R30

89661-53R31

–

4WD

89661-53R40

89661-53R41

–

–

2014
4GR-FSE

Computer, Engine Control
(ECM)

2015
–

–

–

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

Techstream Lite (Green Cable)

TSLITEPDLR01
TSLP2DLR01

* Essential SST.

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.

© 2016 Lexus, a division of Toyota Motor Sales, USA

1

L-SB-0036-16

July 11, 2016

Page 3 of 5

MIL "ON" DTC P2610
Required Tools & Equipment
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.

Calibration Information
CALIBRATION ID
ENGINE

MODEL YEAR

DRIVETRAIN
PREVIOUS

NEW

2WD

353J9000
353J9100

353J9200

4WD

353K0000
353K0100

353K0200

2WD

353M5000

353M5100

4WD

353M6000

353M6100

2014
4GR-FSE
2015

Repair Procedure

1. Using Techstream, check for stored DTCs. Confirm the following DTC is present:
P2610 – ECM/PCM Engine Off Timer Performance

© 2016 Lexus, a division of Toyota Motor Sales, USA

L-SB-0036-16

July 11, 2016

Page 4 of 5

MIL "ON" DTC P2610
Repair Procedure (Continued)

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.
Is the calibration ID listed NOT the latest ECM (PCM) calibration?


YES — Continue to step 3.



NO — This bulletin does NOT apply. Disregard this Service Bulletin and continue diagnosis
per the Repair Manual.

Figure 1: Location of Authorized Modifications Label on 2014-2015 IS 250

1

Replacement ECM (PCM) Part Number
(i.e., 89681-76011)

4

Date Completed

2

New Calibration ID (i.e., 30CL5200)

5

This SB Number

3

Dealer Code

© 2016 Lexus, a division of Toyota Motor Sales, USA

L-SB-0036-16

July 11, 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 the vehicle.
For details on how to use the GR8 Battery Diagnostic Station, refer to the GR8 Instruction
Manual location on the Technical Information System (TIS) Diagnostics – Tools and
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 in Figure 1.
The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.
6. Test drive the vehicle to confirm proper vehicle operation.

© 2016 Lexus, a division of Toyota Motor Sales, USA