One problem related to automatic stability control (asc) has been reported for the 2002 Lexus SC430. The most recently reported issues are listed below.
While in motion and in inclement weather, the vehicle went into a 360* spin, while moving at only 25 mph. The vehicle lost all traction. The brakes on the vehicle are inoperable. While on an incline and braking from about 5 mph the vehicle jumped an island before the brakes stopped it.
| Suspension problems | |
| Ball Joint problems | |
| Front Suspension Wheel Bearing problems | |
| Automatic Stability Control (asc) problems |