NHTSA ID Number: 10086313
Manufacturer Communication Number: L-SB-0037-16
TSB/Document Date: 2016-12-15
Summary
TSB: SOME 2013 2014 MODEL YEAR LS 460 (2WD) VEHICLES MAY EXHIBIT A NON-LINEAR ACCELERATION OR HESITATION FEELING DUE TO INAPPROPRIATE SPARK KNOCK OR DETONATION DETECTION AND MAY SET DIAGNOSTIC TROUBLE CODE (DTC) P2119 (THROTTLE ACTUATOR CONTROL THROTTLE BODY RANGE PERFORMANCE). TO ENHANCE THE SMOOTHNESS OF ACCELERATION, THE ENGINE CONTROL MODULE/ECM (SAE TERM: POWERTRAIN CONTROL MODULE/PCM) CALIBRATION HAS BEEN REVISED. USE THE FOLLOWING REPAIR PROCEDURE TO ADDRESS THIS CONDITION.
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TSB/Document ID: L-SB-0037-16
Replacement Service Bulletin Number:
MFR Communication Date: 2016-07-11
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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L-SB-0037-16
July 11, 2016
Nonlinear Acceleration (2WD ONLY)
Service
Category
Engine/Hybrid
System
Section
Engine Control
Market USA
Applicability
YEAR(S)
MODEL(S)
2013 - 2014
LS460
ADDITIONAL INFORMATION
Introduction
Some 2013 – 2014 model year LS 460 (2WD) vehicles may exhibit a non-linear acceleration or
hesitation feeling due to inappropriate spark knock or detonation detection and may set
Diagnostic Trouble Code (DTC) P2119 (Throttle Actuator Control Throttle Body Range
Performance). To enhance the smoothness of acceleration, the Engine Control Module/ECM
(SAE term: Powertrain Control Module/PCM) calibration has been revised. Use the following
Repair Procedure to address this condition.
Warranty Information
OP CODE
EL1610
DESCRIPTION
TIME
OFP
T1
T2
0.4
89661-50L00
89661-50L70
89661-50M00
89661-50M50
89661-50P10
89661-50P11
89661-50P20
89661-50P30
89661-50P40
04
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-0037-16
July 11, 2016
Page 2 of 5
Nonlinear Acceleration (2WD ONLY)
Parts Information
PART NUMBER
PART NAME
QTY
89661-50P40
89661-50P11
Computer, Engine Control (ECM)
–
00451-00001-LBL
Authorized Modifications Label
1
PREVIOUS
NEW
89661-50L00
89661-50P10
89661-50L01
–
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.
Calibration Information
MODEL
MODEL
YEAR
CALIBRATION ID
OPTIONS
PREVIOUS
NEW
Non F Sport
35065000
35065100
F Sport
35065001
35065101
Non F Sport
350G5000
350G5100
F Sport
350G5001
350G5101
2013
L460
2014
© 2016 Lexus, a division of Toyota Motor Sales, USA
L-SB-0037-16
July 11, 2016
Page 3 of 5
Nonlinear Acceleration (2WD ONLY)
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.
Repair Procedure
1. Confirm the condition.
Does the non-linear acceleration or hesitation condition duplicate when accelerating?
YES — Go to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2016 Lexus, a division of Toyota Motor Sales, USA
L-SB-0037-16
July 11, 2016
Page 4 of 5
Nonlinear Acceleration (2WD ONLY)
Repair Procedure (Continued)
2. Check for the Authorized Modifications Label affixed to the vehicle in the location shown in
Figure 1. 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, go to
step 5.
Figure 1.
1
Replacement ECM (PCM) Part Number (i.e., 8966150C04)
4
Date Completed
2
New Calibration ID(s) (i.e., 35065100)
5
This SB Number
3
Dealer Code
© 2016 Lexus, a division of Toyota Motor Sales, USA
L-SB-0037-16
July 11, 2016
Page 5 of 5
Nonlinear Acceleration (2WD ONLY)
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 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]
Dealer Code
Repair Date
Change Authority [This bulletin number]
B. 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.
5. Test drive the vehicle to confirm that the non-linear acceleration or hesitation is no
longer present.
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