GX 460 V8-4.6L (1UR-FE) (2011)
Engine Control Module: Customer Interest
Engine Controls - Non-Linear Acceleration From A Stop
October 20, 2010
Non-Linear Acceleration from a Stop
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).
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.