One problem related to front suspension control arm has been reported for the 2009 Lexus LS460. The most recently reported issues are listed below.
Car currently (9/14/15) has 46,289 miles, now with clunking noises during braking. Lexus corporation aware of problems with control arms and brake actuator. Dealer diagnosed as both control arms and brake actuator. Lexus refuses to honor replacement fees of replacement parts.