One problem related to tire sidewall has been reported for the 2002 Lexus SC430. The most recently reported issues are listed below.
Bridgestone potenza runs flat-sidewall failure-run flat feature failed ruining wheel, bubble appeared on sidewall of 2 tires.
| Tire Bulge problems | |
| Tire Sidewall problems | |
| Tire problems | |
| Tire Tread/belt problems |