NHTSA ID Number: 10235215
Manufacturer Communication Number: LSB000523
TSB/Document Date: 2023-05-01
Summary
TSB: Some 2013 ? 2020 model year Lexus
vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ?DTC P0087 Fuel Rail / System Pressure ? Too Low Techstream data list analysis may reveal positive fuel trims including a no pressure condition verified by a manual fuel pressure gauge. Follow the Repair Procedure in this bulletin to address these conditions.
L-SB-0005-23
February 9, 2023
Fuel Pump (Loss of Fuel Pressure)
Service
Category
Engine/Hybrid System
Section
Fuel System
Market USA
Applicability
YEAR(S)
MODEL(S)
2019 - 2020
ES300H
2018 - 2020
ES350, LC500, LC500H,
LS500, NX300
2013 - 2019
GS350
2014 - 2018
GS450H
2014 - 2019
GX460, IS350
2017
IS200T, RC200T
2018 - 2019
IS300, RC300, RC350
2013 - 2015
LS460, LS600H
2014 - 2020
LX570
2015 - 2017
NX200T, RC350
2017 - 2020
RX350, RX450H
2019
UX200
ADDITIONAL INFORMATION
© 2022 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 10
L-SB-0005-23
February 9, 2023
Page 2 of 10
Fuel Pump (Loss of Fuel Pressure)
Introduction
Some 2013 – 2020 model year Lexus vehicles may exhibit a hard start and/or MIL ON condition
with one or more of the following Diagnostic Trouble Codes (DTCs):
DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2)
DTC P0087 Fuel Rail / System Pressure – Too Low
Techstream data list analysis may reveal positive fuel trims including a no pressure condition
verified by a manual fuel pressure gauge. Follow the Repair Procedure in this bulletin to address
these conditions.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
234021
R & R Pump, Fuel
*
23220-#####**
23221-#####**
8A
50
*See the Flat Rate Manual.
**Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being
repaired by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
This repair is covered under the Lexus Powertrain Warranty. This warranty is in effect for
72 months or 70,000 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.
For some of the vehicles and model years equipped with a California Certified Emission Control
System that are registered and operated in California or any state that adopts California
emission warranty – California Emission Long-Term Defect Warranty is in effect for 7 years or
70,000 miles from the vehicle’s in-service date, whichever occurs first. (Please reference
Policy 4.7 to confirm coverage and for additional information.)
© 2022 Lexus, a division of Toyota Motor Sales, USA
L-SB-0005-23
February 9, 2023
Page 3 of 10
Fuel Pump (Loss of Fuel Pressure)
Parts Information
PART NUMBER
PART NAME
QTY
04009-86136
04009-86138
04009-86150
04009-86231
04009-86250
04009-86325
04009-86531
Kit, Pump, Fuel
1
04000-07660
04009-80153
04009-80253
04009-80547
04009-80647
04009-80747
04009-80848
04009-80952
04009-81152
04009-81433
04009-81630
Replacement Kit, Fuel Pump
1
04009-9520C
Holder, FT Pipe, W/Retainer & Seal SSP Kit
1
04009-95106
Hook, Rear Seat Cushion Lock SSP Kit
1
© 2022 Lexus, a division of Toyota Motor Sales, USA
L-SB-0005-23
February 9, 2023
Page 4 of 10
Fuel Pump (Loss of Fuel Pressure)
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream ADVI*
QTY
TSADVUNIT
Techstream 2.0
TS2UNIT
ADE
1
Techstream Lite
TSLITEPDLR01
Techstream Lite (Green Cable)
TSLP2DLR01
*Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 17.30.011 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Fuel Pressure Gauge
09268-45101-1A
1
Battery Diagnostic Tool*
DCA-8000P T
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
© 2022 Lexus, a division of Toyota Motor Sales, USA
L-SB-0005-23
February 9, 2023
Page 5 of 10
Fuel Pump (Loss of Fuel Pressure)
Repair Procedure
1. Confirm the condition exists.
Is a hard start condition and/or ANY of the DTCs described in the Introduction present
(DTC P0171, DTC P0174, and/or DTC P0087)?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Check the fuel pressure.
Refer to TIS, applicable model and model year Repair Manual:
2019 / 2020 ES 300h:
Engine/Hybrid System – Fuel System – “A25A-FXS (Fuel): Fuel System:
On-Vehicle Inspection”
2018 ES 350:
Engine/Hybrid System – Fuel System – “2GR-FE (Fuel): Fuel System:
On-Vehicle Inspection”
2019 / 2020 ES 350:
Engine/Hybrid System – Fuel System – “2GR-FKS (Fuel): Fuel System:
On-Vehicle Inspection”
- Restores fuel economy
- Stabilizes ethanol
- Maximizes horsepower
- Improves responsiveness
- For use in both gasoline and diesel engines
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TSB/Document ID: LSB000523
Replacement Service Bulletin Number:
MFR Communication Date: 2023-02-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL SYSTEM, GASOLINE
MFR Component System:
MFR Component Subsystem:
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