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1990-2001 · 11 model years

Lexus SC400 Problems by year

Owners have filed 62 complaints about the Lexus SC400 across 11 model years, and it has 2 recalls. The 1992 has the most complaints once its age is allowed for (30), while 1990, 2000, 2001 have far fewer than a typical year. The most reported problem area is the electrical system, followed by the lights.

Most complaints for its age199230 complaints · 1 recallSee the 1992
Complaints
62
Recalls
2
Crashes
11
Fires
1
Injuries
1
Deaths
0

SC400 complaints by model year

Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.

YearComplaintsRecallsCrashesFiresTop problemGrade
20011000Wheels & tiresA
20001000Engine & coolingA
19992000BrakesB
19982010Engine & coolingC
19971100AirbagsC
19964100Wheels & tiresD
19959010Electrical systemF
19942000Engine & coolingB
19939040LightsF
199230151Electrical systemF
19901000Visibility & wipersA

Most common SC400 problems

Lexus SC400 recalls 2

Latest SC400 complaints

1993 Lexus SC400AirbagsCrash1 injury

Tl* the contact owned a 1993 lexus sc400. While driving at a low rate of speed, the contact depressed the brake pedal and crashed into a wall. The air bags deployed, which severely burned the contact's chin, lips, and neck. The air bag also burned parts of the contact's chest and torso area. The contact was taken to a local hospital for medical attention. A police report was not filed. The vehicle was towed to the contact's home and deemed totaled. The manufacturer and dealer were not notified of the failure. The cause of the failure was not determined. The failure mileage was unknown.

Filed Incident Air bagsNHTSA 11256446
1997 Lexus SC400Airbags

Two weeks ago a red warning light appeared on the dash showing an air bag deficiency. The car was taken to lexus of wayzata for diagnostics and removal of the warning light. I later recalled the battery had drained due to a poor connection about the time the light came on. That was fixed but the light stayed on. Lexus wanted over $1600 to obtain a new air bag sensor module including labor costs, broken down into parts cost $1150 and labor $470. I furnished the used sensor on the internet for $95 and the light...

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disappeared. Saved over $1000 by taking charge of repairs. There was no accident involving this car. My understanding is following research into the problem that certain software removal tools could have cleared the battery drainage event. I do not know if lexus attempted this repair. I have the original sensor in my possession and with the software tool application can probably ascertain if this was the precise problem.. Shouldn't the dealers be required to investigate potential repairs before replacement of sensors?

Filed Incident Air bagsNHTSA 11033180
1995 Lexus SC400Wheels & tires

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. *Tr

Filed Incident TiresNHTSA 10513301
1992 Lexus SC400Electrical system

Dash instrument speed, tach, gas, and temperature needles no longer illuminate. Therefore, you can not view them at night and, often, during the day. No adequate repair is available. *Tr

Filed Incident Electrical systemNHTSA 10455277
1998 Lexus SC400Acceleration & cruise controlCrash

Tl*the contact owns a 1998 lexus sc400. The contact started the vehicle, shifted it into reverse and crashed. A police report was not filed and there were no injuries. The vehicle was towed to an independent repair shop where they have not diagnosed the failure. The vehicle was not repaired. The failure and current mileage was 100,000.

Filed Incident Vehicle speed controlNHTSA 10382740
1993 Lexus SC400Engine & coolingTransmission & drivetrainCrash

I was involved in a motor vehicle accident on 4/25/10 with a 1993 lexus sc400 vin# [[redacted]] . I was approaching a red light controlled intersection with my foot on the brake pedal and the vehicle continued to accelerate through the intersection. I feel that the computer chip controlling either the transmission or idling speed failed as the vehicle could not come to a halt and resulted in a collision. The transmission failed to drop down to neutral and/or the idle could not drop down to less than 1000 rpm. I...

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realize it is an older vehicle and computer chips could fail due to age but I wonder if this could be a design flaw of the fail safe accelerator assembly. Could you let me know if any other complaints have been lodged. Information redacted pursuant to the freedom of information act (foia), 5 u.S.C. 552(B)(6). *Tr

Filed Incident Engine and engine cooling · Power trainNHTSA 10334615

Questions about the Lexus SC400

Which Lexus SC400 years have the most problems?

By the number of complaints owners filed with NHTSA: 1992 (30), 1993 (9), 1995 (9). Allowing for how long each has been on the road, the 1992 stands out most. Complaint counts also rise with sales, so compare years of the same model rather than different models.

Which Lexus SC400 years have the fewest complaints?

Among model years that have been on the road for at least three years, 1990, 2000, 2001 have the best Safety Index - the fewest complaints, crashes and recalls for their age compared with other SC400 years. Always check the exact vehicle's recalls by VIN before you buy.

What are the most common Lexus SC400 problems?

Across every model year, owners report problems with the electrical system (14), lights (11), acceleration & cruise control (10) most often.

How many recalls does the Lexus SC400 have?

NHTSA lists 2 recalls across all Lexus SC400 model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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