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1990 Lexus LS400

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1990 Lexus LS400 do not stand out strongly from the model-year median of 21.5.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 10 of 24 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Latches/locks/linkages. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports1 fire reports6 injury reports

Vehicle Speed Control complaints

2 reports
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50,000 miles · Sep 16, 2015
Vehicle Speed Control

IN APPROXIMATELY 1995, I EXPERIENCED THE "SUDDEN ACCELERATION" PROBLEM TWICE WITH MY LEXUS LS. AT THE TIME, NO ONE HAD EVER HEARD OF IT AND THE DEALER SAID HE COULD NOT REPRODUCE IT AND COULD DO NOTHING. AFTER THAT I WAS MORE CAREFUL WITH THE FLOOR MATS AND THOUGHT I HAD SOLVED THE PROBLEM. FOR THE LAST 7 TO 8 YEARS, …

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IN APPROXIMATELY 1995, I EXPERIENCED THE "SUDDEN ACCELERATION" PROBLEM TWICE WITH MY LEXUS LS. AT THE TIME, NO ONE HAD EVER HEARD OF IT AND THE DEALER SAID HE COULD NOT REPRODUCE IT AND COULD DO NOTHING. AFTER THAT I WAS MORE CAREFUL WITH THE FLOOR MATS AND THOUGHT I HAD SOLVED THE PROBLEM. FOR THE LAST 7 TO 8 YEARS, THE CAR SUDDENLY SLOWS AND STALLS. I HAVE REPEATEDLY COMPLAINED TO NEW COUNTRY LEXUS BUT THEY JUST SAY THAT THEY CANNOT REPRODUCE THE PROBLEM AND DON'T KNOW WHAT IT IS. IN JUNE, IT HAPPENED AGAIN AND I HAD TO BE TOWED BY AAA. AT THIS TIME I RESEARCHED "LEXUS LS STALLING PROBLEM" AND GOT HUNDREDS OF HITS. ONE LEXUS SITE PERFECTLY EXPLAINED THE PROBLEM, HOW TO REPRODUCE IT AND HOW TO FIX IT. THE POSTING ON THE LEXUS SITE WAS DATED 2005, TEN YEARS AGO. THE TOW TRUCK DRIVER REPRODUCED THE PROBLEM WITHIN AN HOUR BUT NEW COUNTRY LEXUS WOULD NOT SELL HIM THE REQUIRED RESISTOR TO FIX IT. I TOOK THE CAR TO NEW COUNTRY LEXUS, JUST NORTH OF ALBANY NY, AND THEY HAVE HAD IT SINCE JUNE. THEY KEEP SAYING THAT THEY CANNOT REPRODUCE THE PROBLEM. THEY KEEP TELLING ME THAT THEY CANNOT REPRODUCE THE PROBLEM BUT I KEEP GIVING THEM THE PRINT-OUT FROM THE LEXUS SITE AND THE BILL FROM THE TOWING COMPANY EXPLAINING EXACTLY HOW TO REPRODUCE AND FIX THE PROBLEM. FINALLY YESTERDAY JOE MORAN SAID THAT HE COULD FIX IT BUT "AS SOON AS ANYONE BRINGS UP ANYTHING TO DO WITH SUDDEN ACCELERATION" I AM TOLD TO STOP AND DO NOTHING." HE SAID "IT IS NOT IN THE BEST INTEREST OF THE COMPANY TO FIX IT." THEY CLEARLY SEEMED TO BE TELLING ME THAT THIS RESISTOR (OR SENSOR) IS PART OF THE RAPID ACCELERATION PROBLEM WITH TOYOTA VEHICLES AND, ALTHOUGH MY VEHICLE IS NOT ON THE LIST OF VEHICLES INDICATED FOR A "SPECIAL PROTOCOL," THIS PARTICULAR PART IS TRACED TO THE RAPID ACCELERATION AND THEY WANT NOTHING TO DO WITH IT.

NHTSA ODI #10764167

120,000 miles · Feb 7, 2010
Electrical SystemVehicle Speed Control

ACCELERATOR PEDAL STICKS AND ENGINE CONTINUES TO ACCELERATE. I CAN ONLY STOP IT BY PUSHING ON THE BRAKE HARD, PUTTING IT IN NEUTRAL OR TURNING OFF ENGINE. SOMETIMES IF I HAVE ROOM IN FRONT OF MY CAR, I CAN STOP IT BY PUMPING THE BRAKE. THIS HAS OCCURRED SEVERAL TIMES. I CANNOT TELL WHAT CAUSES IT. DEFINITELY NOT FLOOR MAT. *TW

NHTSA ODI #10307216

Official recalls

1

89V212000 · Exterior Lighting:brake Lights:switch

Dec 4, 1989

LAMP HOUSING OF CENTER HIGH MOUNTED STOP LAMP COULD BECOME DISTORTED AFTER PROLONGED ILLUMINATION, PARTICULARLY UNDER HIGH TEMPERATURES.

Consequence & remedy

Consequence: Not supplied

Remedy: REPLACE LAMP HOUSING WITH ONE OF HIGHER TEMPERATURE RESISTANT MATERIAL.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.