Emissions - MIL ON/DTC P0456 Set

L-SB-0034-10

May 26, 2010

MIL "ON" Code P0456

Service Category
Engine/Hybrid System

Section
Engine Control

Market
USA





Applicability

Introduction

Some 2010 model year RX 350 vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P0456 stored in the Engine Control Module or ECM (SAE term: Powertrain Control Module/PCM). Use the following repair procedure to address this condition.

Production Change Information





This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.





Parts Information





Warranty Information

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.

^ For California specification vehicles sold, registered, and operated in California, Connecticut, Maine, Massachusetts, New Jersey, Oregon, Pennsylvania, Rhode Island, Vermont, and Washington, the charcoal canister is covered under the California Emission Warranty.

^ This warranty is in effect for 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

NOTE

Additional TIS Techstream units may be ordered by calling Approved Dealer Equipment (ADE).

Repair Procedure

1. Using TIS Techstream clear any stored DTCs.

2. Using TIS Techstream perform the EVAP System Check to confirm DTC P0456 - Evaporative Emission Control System Leak Detected (Very Small Leak) is pending.

3. Refer to the Technical Information System (TIS):

^ 2010 RX 350: 2GR-FE Engine Control: SFI System: Data List/Active Test

NOTE

If DTC P0456 does not return, this TSIB does not apply.

4. If P0456 is present confirm the charcoal canister pump electrical connector is fully seated and verify no Evap leaks are present.

5. If no Evap leaks are found replace the charcoal canister assembly.

^ 2010 RX350 (to 08/2009) (from 08/2009): 2GR-FE Emission Control: Canister: Removal

^ 2010 RX350 (to 08/2009) (from 08/2009): 2GR-FE Emission Control: Canister: Installation

6. After the repair is complete clear any DTCs and perform the EVAP System Check again to confirm normal system operation and there are NO pending DTCs.