2003 Lexus LS430 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Lexus LS430
Never overpay. Check prices with our estimator
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
2003 Lexus LS430 ProblemsRear Window Sunshade Fails and Makes Grinding Noise
The motor for the rear window sunshade in the 2001-2006 Lexus LS430 is known to fail. When this occurs, the sunshade will not extend down the window, and a grinding noise is heard until the motor fails as well.
Replacement of the sunshade assembly is necessary to correct this failure, however, removing the fuse for the sunshade will stop the motor from making the irritating grinding noise.
Various issues may develop with the multi-display panel. Our technicians tell us a redesigned multi-display panel is available which may correct these concerns.
Poor quality low speed transmission shifting may be noted. Our technicians tell us updated transmission software 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.