NHTSA ID Number: 10134353
Manufacturer Communication Number: L-SB-0038-16
TSB/Document Date: 2018-04-23
Summary
TSB: Some 2014 ? 2016 model year GX 460 vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2440 (Secondary Air Injection System Switching Valve Stuck Open, Bank 1) or P2442 (Secondary Air Injection System Switching Valve Stuck Open, Bank 2) and under some conditions may enter limp mode (limited throttle input ~ 25mph). This condition can be triggered by sub-freezing ambient temperatures. Follow the Repair Procedure below to address this condition.
L-SB-0038-16
July 12, 2016
MIL "ON" DTC P2440/P2442
Service
Category
Section
Emission Control
Market USA
Applicability
YEAR(S)
MODEL(S)
2014 - 2016
GX460
ADDITIONAL INFORMATION
Introduction
Some 2014 – 2016 model year GX 460 vehicles may exhibit a MIL “ON” condition with Diagnostic
Trouble Code (DTC) P2440 (Secondary Air Injection System Switching Valve Stuck Open, Bank
1) or P2442 (Secondary Air Injection System Switching Valve Stuck Open, Bank 2) and under
some conditions may enter limp mode (limited throttle input ~ 25mph). This condition can be
triggered by sub-freezing ambient temperatures. Follow the Repair Procedure below to address
this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VIN
shown below.
MODEL
PLANT
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
GX 460
Tahara
4WD
JTJBM7FX#G5125696
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG1609
Reprogram ECM (PCM)
0.4
89661-60W10
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-0038-16
July 12, 2016
Page 2 of 5
MIL "ON" DTC P2440/P2442
Parts Information
MODEL
NAME
MODEL YEAR
DRIVETRAIN
2014 – 2015
GX 460
PART NUMBER
PART NAME
PREVIOUS
NEW
4WD
89661-60W10
89661-60W11
89661-60W12
2016
4WD
89661-60U20
89661-60U21
All
All
QTY
–
Computer, Engine Control
(ECM/PCM)
–
Authorized Modification
Labels
00451-00001-LBL
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-0038-16
July 12, 2016
Page 3 of 5
MIL "ON" DTC P2440/P2442
Calibration Information
MODEL
GX 460
DRIVETRAIN
4WD
1UR-FE
MODEL YEAR
CALIBRATION ID
PREVIOUS
NEW
2014 – 2015
360Q9000
360Q9100
360Q9200
2016
360X8000
360X8100
Repair Procedure
1. Confirm the condition.
Using Techstream, perform a Health Check. Was DTC P2440 or P2442 retrieved?
YES — Continue 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-0038-16
July 12, 2016
Page 4 of 5
MIL "ON" DTC P2440/P2442
Repair Procedure (Continued)
2. Check for the Authorized Modification Label affixed to the vehicle in the location shown below.
Confirm 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. Continue diagnosis using the applicable
Repair Manual.
Figure 1. Location of Authorized Modification Label for 2014 – 2016 GX 460
1
Replacement ECM (PCM) Part Number
(i.e., 89661-60W12 or 89661-60U21)
4
Date Completed
2
New Calibration ID (i.e., 360Q9200 or
360X8100)
5
This SB Number
3
Dealer Code
© 2016 Lexus, a division of Toyota Motor Sales, USA
L-SB-0038-16
July 12, 2016
Page 5 of 5
MIL "ON" DTC P2440/P2442
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]
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 proper vehicle operation.
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TSB/Document ID: L-SB-0038-16
Replacement Service Bulletin Number:
MFR Communication Date: 2016-07-12
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: TIRES:VALVE
MFR Component System:
MFR Component Subsystem:
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