Recall 10V218000: Steering ECU Replacement

VEHICLE MAKE/MODEL: MODEL YEAR(S):

Lexus/LS460 2009-2010

Lexus/LS460L 2009-2010

Lexus/LS600H 2010

Lexus/LS600HL 2010

MANUFACTURER: Toyota Motor North America, Inc.

MFR'S REPORT DATE: May 21, 2010

NHTSA CAMPAIGN ID NUMBER: 10V218000

NHTSA ACTION NUMBER: N/A

COMPONENT: Steering: Electric Power Assist System

POTENTIAL NUMBER OF UNITS AFFECTED: 3800

SUMMARY:
Toyota is recalling certain model year 2009 and 2010 Lexus LS460 and LS600 vehicles manufactured from August 20, 2009 through May 13, 2010. A programming change of the steering control ECU for the Variable Gear Ratio Steering (VGRS) system can cause improper activation of the steering system protection logic designed to protect the system when larger than normal steering inputs are applied at a fully turned position.

CONSEQUENCE:
Improper activation of the steering system protection logic can cause the steering wheel to become off-centered up to 90 degrees. This may occur after the driver has fully turned the steering wheel in one direction then quickly attempts to turn it back to the center position. Should this occur while driving, the risk of a crash is increased.

REMEDY:
Toyota will notify owners and Lexus dealers will replace the steering control ECU free of charge. Toyota has not determined when the safety recall is expected to begin. Owners may contact Toyota at 1-800-331-4331.

NOTES:
Owners may also contact The National Highway Traffic Safety Administration's Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to http://www.safercar.gov.