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lexus Workshop Repair Guides


GX 460 V8-4.6L (1UR-FE) (2011)

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > Customer Interest: > SB0146-10 > Oct > 10 > Engine Controls - Non-Linear Acceleration From A Stop

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Engine Control Module: Customer Interest
Engine Controls - Non-Linear Acceleration From A Stop

L-SB-0146-10

October 20, 2010

Non-Linear Acceleration from a Stop

Service Category

Engine/Hybrid System

Section
Engine Control

Market
USA

Applicability

Introduction

Some 2010 - 2011 model year GX 460 vehicles may exhibit non-linear acceleration from a stop under certain conditions of low engine rpm with high
engine load. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been revised to address this condition. Use the
following repair procedure to recalibrate the ECM (PCM).

Warranty Information

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.

Calibration Information

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > Customer Interest: > SB0146-10 > Oct > 10 > Engine Controls - Non-Linear Acceleration From A Stop

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