Lexus SC400 Problems by Model Year
NHTSA recorded 48 consumer complaints across the 3 model years of the Lexus SC400 (1992–1995) that have at least 5 complaints. 1992 has the most, with 30. Across all years, the part named most often is electrical system (14 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All SC400 model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 1995 | 9 | 109,183 | 0 | 22 | — | Not enough data |
| 1993 | 9 | 122,384 | 0 | 22 | — | Not enough data |
| 1992 | 30 | 96,000 | 1 | 22 | Not compared (before 2008) | Stable |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Electrical system14 29%
- Vehicle speed control8 16%
- Exterior lighting7 14%
- Brakes7 14%
- Other or unknown4 8.2%
- Transmission and drivetrain3 6.1%
- Tires3 6.1%
- Interior lighting3 6.1%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
1995: “While driving down the freeway the rear tire started smoking, I pulled over and found a big hole in the sidewall. I did a research online and a lot of people complained about tire failure around 5k miles, witch is exactly what I put on them.”
NHTSA complaint #10513301, filed 2013-05, 5,000 miles1992: “Unintended acceleration, my 1992 Lexus SC400 accelerated to nearly 90 MPH on a 50 MPH rd. After going through a yellow light. When I was near the speed limit of 50 MPH I let up off the accelerator but the car was climbing in speed as if I was still on the accelerator, I applied the brakes twice and each time I did it felt like I was being pushed from behind so I put on n only to hear the RPM's rev really high. …”
NHTSA complaint #10317540, filed 2010-03, 220,578 miles1993: “The contact owns a 1993 Lexus SC400. The traction control logic program failed and caused loss of stopping power. The contact stated the rear brakes were dragging. The current and failure mileage was 112,000. The dealer has advised the contact that the traction control computer needed to be replaced.”
NHTSA complaint #10184344, filed 2007-03, 112,000 milesOther Lexus models
1,448 complaintsLexus RX
962 complaintsLexus RX350
833 complaintsLexus RX300
719 complaintsLexus IS 250
718 complaintsLexus ES300
677 complaintsLexus ES
658 complaintsLexus IS
579 complaints
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. Methodology