NHTSA ID Number: 10134151
Manufacturer Communication Number: L-SB-0016-15 Rev
TSB/Document Date: 2018-04-23
Summary
Some 2014 2015 model year GX 460 vehicles equipped with the 1UR-FE engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P006A (MAP Mass or Volume Air Flow Correlation Bank 1). Some vehicles may also exhibit the engine running rough and light hesitation under acceleration. The condition may be caused by debris in the EGR assembly. Follow the procedures in this bulletin to address this condition.
L-SB-0016-15
Rev1
June 22, 2015
MIL "ON" DTC P006A - EGR Valve
Service
Category
Section
Emission Control
Market USA
Applicability
YEAR(S)
MODEL(S)
2014 - 2015
GX460
ADDITIONAL INFORMATION
REVISION NOTICE
July 8, 2015 Rev1:
The Repair Procedure section has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2014 – 2015 model year GX 460 vehicles equipped with the 1UR-FE engine may exhibit a
MIL “ON” condition with Diagnostic Trouble Code (DTC) P006A (MAP – Mass or Volume Air Flow
Correlation Bank 1). Some vehicles may also exhibit the engine running rough and light hesitation
under acceleration. The condition may be caused by debris in the EGR assembly. Follow the
procedures in this bulletin to address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
PLANT
PRODUCTION CHANGE EFFECTIVE VIN
GX 460
Tahara
1UR-FE
JTJBM7FX#F5115153
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
178201
R & R EGR Valve Assembly
1.2
25620-38240
8A
99
© 2015 Lexus
, a division of Toyota Motor Sales, USA
Page 1 of 4
L-SB-0016-15
Rev1
June 22, 2015
Page 2 of 4
MIL "ON" DTC P006A - EGR Valve
APPLICABLE WARRANTY
This repair is covered under the Lexus Federal Emission Warranty. This warranty is in effect for
48 months or 50,000 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
PART NAME
QTY
25620-38240
Valve Assy, EGR
1
25627-38020
Gasket, EGR Valve
1
25628-38020
Gasket, EGR Inlet
1
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
PART NUMBER
QTY
TS2UNIT
ADE
Techstream Lite
1
TSLITEPDLR01
* Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 10.10.018 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
© 2015 Lexus, a division of Toyota Motor Sales, USA
L-SB-0016-15
Rev1
June 22, 2015
Page 3 of 4
MIL "ON" DTC P006A - EGR Valve
Repair Procedure
1. Using Techstream, confirm the following DTC is present:
P006A: MAP – Mass or Volume Air Flow Correlation Bank 1
Is DTC P006A present?
YES – Continue to step 2.
NO – This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Check PCV hose is connected and is NOT damaged.
OK – Go to step 3.
N/G – Repair or replace PCV hose.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:
2014 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Emission Control: PCV Valve:
Removal / Installation”
2015 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Emission Control: PCV Valve:
Removal / Installation”
3. Check intake system for vacuum leaks.
A. Check that the hoses are installed correctly.
B. Check for cracks in the hoses.
OK – Go to step 4.
N/G – Repair or Replace any intake system concerns.
Refer to TIS, applicable model and model year Repair Manual:
2014 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Intake/Exhaust: Intake System:
On-vehicle inspection”
2015 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Intake/Exhaust: Intake System:
On-vehicle inspection”
4. Read value using Techstream.
© 2015 Lexus, a division of Toyota Motor Sales, USA
L-SB-0016-15
Rev1
June 22, 2015
Page 4 of 4
MIL "ON" DTC P006A - EGR Valve
Repair Procedure (Continued)
A. Connect the Techstream to the DLC3.
B. Turn the engine switch on (IG).
C. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / MAP
D. Read the MAP value with engine switch on (IG)
Standard: 80 - 110 kPa (600 – 825 mmHg)
OK – Go to step 5
NG – Replace Manifold Absolute Pressure Sensor
Refer to TIS, applicable model and model year Repair Manual:
2014 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Engine Control: Manifold
Absolute Pressure Sensor: Removal / Installation”
2015 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Engine Control: Manifold
Absolute Pressure Sensor: Removal / Installation”
5. Replace the EGR Valve Assembly.
Refer to TIS, applicable model and model year Repair Manual:
2014 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Emission Control: EGR Valve:
Removal / Installation”
2015 GX 460:
Engine/Hybrid System – Emission Control – “1UR-FE Emission Control: EGR Valve:
Removal / Installation”
6. Start the engine and warm it up until the engine coolant temperature reaches 167◦F (75◦C)
or more.
7. Drive the vehicle at 37 mph (60 km/h) for 5 minutes or more.
8. Idle the engine for 30 seconds or more.
9. Confirm there are no drivability concerns and no pending DTCs have set.
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TSB/Document ID: L-SB-0016-15 Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2015-07-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
MFR Component System:
MFR Component Subsystem:
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