2003 Lexus LS430 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Lexus LS430
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
2003 Lexus LS430 ProblemsVolume Control Problems With Premiun Stereo System
Vehicles equipped with premium Mark Levinson stereo may experience no sound or volume that goes to maximum level by itself. An improved amplifier is available to rectify this problem.
Poor quality low speed transmission shifting may be noted. Our technicians tell us updated transmission software is available which may correct this concern.
When filling the fuel tank, the fuel nozzle may click off before the tank is full. Our technicians tell us a revised fuel filler neck is available which may correct this concern.
2003 Lexus LS430 Questionsfaulty door key receiver (1 answer)
The "electronic receiver" that responds to the commands from the door key buttons needs to be replaced.
The trunk is now heavy and slams shut quickly.