GX 460 V8-4.6L (1UR-FE) (2011)
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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
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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.
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Warranty application is limited to occurrence of the specified condition described in this bulletin.
Calibration Information