2003 Lexus SC430 Body and structure Problems
- Complaints
- 1about this part
- Share
- 5%of 20 total for the year
- Median mileage
- 167,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the body and structure of the 2003 Lexus SC430, 5% of the 20 complaints for this model year. Where a mileage was given, the median is 167,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2003 Lexus SC430. While driving 40 MPH, all the instrument panel indicators illuminated and then shut off, and the transmission downshifted. The transmission failure caused the vehicle to jerk when the gears were shifted. In addition, the contact stated that the convertible top of the vehicle would not close and that the none of the windows would close. An independent mechanic stated that the battery was not the cause of the failure, but the failure was not determined. The dealer and manufacturer were not contacted. The failure mileage was 167,000.”
NHTSA complaint #11013787, filed 2017-08, 167,000 milesRelated service bulletins
- 11003648Apr 19, 2024The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic…
- 11003593Apr 19, 2024The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic…
Body and structure: other model years
Other parts of the 2003 Lexus SC430
10 complaintsBrakes
4 complaintsTires
3 complaintsSteering
2 complaintsSuspension
2 complaintsElectrical system
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsOther or unknown
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaintsWheels
1 complaints
← All problems reported for the 2003 Lexus SC430
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology