April 3, 2014

L-SB-0017-14

MIL "ON" DTC P0453 - Fuel in EVAP System
Service
Category

Engine/Hybrid System

Section

Fuel System

Market

USA

Applicability
YEAR(S)

MODEL(S)

ADDITIONAL INFORMATION

2010 – 2014

RX350

Plant Code(s): W

Introduction

Some TMMC built 2010 – 2014 model year RX 350 vehicles may exhibit one or more of the following
conditions due to liquid fuel in the Evaporative Emissions system (EVAP system):
• MIL “ON” with Diagnostic Trouble Code (DTC) P0453 stored
• Intermittent rough idle at operating temperature
Follow the repair procedure 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

RX 350

DRIVETRAIN

PRODUCTION CHANGE EFFECTIVE VIN

2WD

2T2ZK1BA#EC147697

4WD

2T2BK1BA#EC249546

Parts Information
PART NUMBER
PREVIOUS

NEW

77001-0E031

77001-0E032

77740-0E030

PART NAME

QTY

Tank, Sub-assy, Fuel

1

Canister Assy, Charcoal

1

© 2014 Lexus, a division of Toyota Motor Sales, USA

Page 1 of 4

L-SB-0017-14

April 3, 2014

Page 2 of 4

MIL "ON" DTC P0453 - Fuel in EVAP System

Warranty Information
OP CODE

DESCRIPTION

237011

R & R Fuel Tank Sub-assembly

237811

R & R Charcoal Canister

DRIVETRAIN

TIME

2WD

2.3

AWD

7.2

2WD
AWD

0.4

OFP

T1

T2

08

13

77001-0E031
77740-0E030

APPLICABLE WARRANTY
• This repair is covered under the Lexus Basic Warranty. This warranty is in effect for 48 months
or 50,000 miles, whichever occurs first, from the vehicle’s in-service date.
• For all model years: the Fuel Tank is covered under the Lexus Powertrain Warranty. This
warranty is in effect for 84 months or 70,000 miles, whichever occurs first, from the vehicle’s
in-service date.
• For 2010 MY Only: the Charcoal Canister is covered under the Lexus Powertrain Warranty.
This warranty is in effect for 84 months or 70,000 miles, whichever occurs first, from the
vehicle’s in-service date.
• For California Specification vehicles sold and operated in Arizona (’12 MY only), California,
Connecticut, Delaware (starting with ’14 MY), Maine, Maryland (starting with ’11 MY),
Massachusetts, New Jersey, New Mexico (’10-’11 MY), Oregon, Pennsylvania, Rhode Island,
Vermont, and Washington, this repair is covered under the California Emission Warranty, which
is 84 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.

Required Tools & Equipment
REQUIRED EQUIPMENT

SUPPLIER

Techstream 2.0*
TIS Techstream

PART NUMBER

QTY

TS2UNIT
ADE

Techstream Lite

TSPKG1
TSLITEDLR01

* Essential SST.

NOTE
• Only ONE of the Techstream units listed above is required.
• Software version 9.00.026 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at
1-800-368-6787.

© 2014 Lexus, a division of Toyota Motor Sales, USA

1

L-SB-0017-14

April 3, 2014

Page 3 of 4

MIL "ON" DTC P0453 - Fuel in EVAP System

Repair Procedure

1. Using Techstream, check for DTC P0453.
Is DTC P0453 present?
• YES — Proceed to step 3.
• NO — If NO DTCs are stored in memory, proceed to step 2.
2. Active test the Purge VSV using Techstream with the engine running at idle:
Powertrain > Engine and ECT > Active Test > Activate the VSV for Evap Control

With the VSV cycled ON, did the vehicle run rough or nearly stall?
• YES — Proceed to step 3.
• NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
3. Check for fuel in the EVAP system by disconnecting the fuel tank vent line from the
charcoal canister.
Is fuel present in the fuel tank vent line?
• YES — Proceed to step 4.
• NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
4. Replace the Fuel Tank Assembly.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:
• 2010 RX 350:
Engine/Hybrid System – Fuel System – “2GR-FE Fuel: Fuel Tank:
Removal (12/2008 – 08/2009) / Removal (08/2009 – ) /
Installation (12/2008 – 08/2009) / Installation (08/2009 – )”
• 2011 RX 350:
Engine/Hybrid System – Fuel System – “2GR-FE Fuel: Fuel Tank: Removal / Installation”
• 2012 RX 350:
Engine/Hybrid System – Fuel System – “2GR-FE Fuel: Fuel Tank: Removal / Installation”
• 2013 RX 350:
Engine/Hybrid System – Fuel System – “2GR-FE Fuel: Fuel Tank: Removal / Installation”
• 2014 RX 350:
Engine/Hybrid System – Fuel System – “2GR-FE Fuel: Fuel Tank: Removal / Installation”

© 2014 Lexus, a division of Toyota Motor Sales, USA

L-SB-0017-14

April 3, 2014

Page 4 of 4

MIL "ON" DTC P0453 - Fuel in EVAP System

Repair Procedure (Continued)

5. Replace the Charcoal Canister Assembly.
Refer to TIS, applicable model and model year Repair Manual:
• 2010 RX 350:
Engine/Hybrid System – Emission Control – “2GR-FE Emission Control: Canister:
Removal (12/2008 – 08/2009) / Removal (08/2009 – ) /
Installation (12/2008 – 08/2009) / Installation (08/2009 – )”
• 2011 RX 350:
Engine/Hybrid System – Emission Control – “2GR-FE Emission Control: Canister:
Removal / Installation”
• 2012 RX 350:
Engine/Hybrid System – Emission Control – “2GR-FE Emission Control: Canister:
Removal / Installation”
• 2013 RX 350:
Engine/Hybrid System – Emission Control – “2GR-FE Emission Control: Canister:
Removal / Installation”
• 2014 RX 350:
Engine/Hybrid System – Emission Control – “2GR-FE Emission Control: Canister:
Removal / Installation”
6. Confirm the repair.
A. Clear all DTCs.
B. Using Techstream, run the Automatic EVAP System Check and verify NO pending DTCs set.
System Select > Engine and ECT > Utility > EVAP System Check
NOTE
If the Automatic EVAP System Check fails to run, perform the following:
• Turn the ignition key OFF.
• Turn Techstream OFF.
• Turn the ignition key ON and Techstream ON and restart the Automatic EVAP
System Check.

© 2014 Lexus, a division of Toyota Motor Sales, USA