Problems · NHTSA complaints
1996 Lexus LS400 problems
Owners filed 19 complaints about the 1996 Lexus LS400 with NHTSA between May 1996 and Dec 2015. The most-cited component is electrical system (3).
Complaints
19
Filed with NHTSA
Crashes
4
Reported by owners
Fires
1
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Electrical system3
- Engine and engine cooling2
- Fuel system, gasoline2
- Visibility2
- Service brakes, hydraulic2
- Engine1
- Seat belts1
- Vehicle speed control1
- Tires1
- Steering1
- Wheels1
- Exterior lighting1
- Other / unknown2
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
2
4
0
3
2
0
1
0
2
0
0
0
0
0
0
1
0
1
0
3
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 1996 | 2 |
| 1997 | 4 |
| 1998 | 0 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 0 |
| 2002 | 1 |
| 2003 | 0 |
| 2004 | 2 |
| 2005 | 0 |
| 2006 | 0 |
| 2007 | 0 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 1 |
| 2012 | 0 |
| 2013 | 1 |
| 2014 | 0 |
| 2015 | 3 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Electrical system
3 reports1 fire1 related recall
“TL* THE CONTACT OWNS A 1996 LEXUS LS400. THE CONTACT STATED THAT THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 116,000. UPDATED 02/23/16*LJ UPDATED 05/04/18*JB *TR”
Engine and engine cooling
2 reports1 crash
“PER LEXUS TECHNICAL SERVICE BULLETIN EG002-97, WHICH DOESN'T APPEAR ON THE NHTSA WEBSITE BUT WHICH CAN BE FOUND ONLINE BY CLICKING ON THE LINK FROM POST #77 AT THIS WEB PAGE: HTTP://US.LEXUSOWNERSCLUB.COM/FORUMS/TOPIC/15699-9596-LS400-LOW-IDLE-ENGINE-DIES-AND-JERKING-THRE/PAGE-6 MY '96 LS400 HAS THE SAME ENGINE-STALL-AT-IDLE-AFTER-CONTINUOUS-LONG-DRIVE PROBLEM AS EVERY OTHER EARLY PRODUCTION CAR MADE WITH VINS BEFORE [XXX]. GO ON THE HIGHWAY, DRIVE 50 MILES, EXIT, THE CAR IDLE SPEED DROPS TO WHERE THE CAR STALLS OUT. PUT IT INTO NEUTRAL, TURN THE KEY, IT STARTS RIGHT BACK UP, NO MORE PROBLEM. OR, DRIVE ON THE HIGHWAY, DRIVE 50 MILES, ENCOUNTER STOP-AND-GO TRAFFIC, THE IDLE SPEED DROPS TO WHERE THE CAR STALLS OUT. PUT IT INTO NEUTRAL, TURN THE KEY, IT STARTS RIGHT BACK UP, NO MORE PROBLEM. I GOT TAPPED BY THE CAR BEHIND ME WHEN AT 1 MPH I WAS COMING TO A RED LIGHT EXITING THE FREEWAY AND THE CAR DIED, THE LIGHT TURNED GREEN AND IT TOOK ME A FRANTIC MOMENT TO TRY PUTTING THE CAR INTO NEUTRAL AND RESTARTING IT WHILE STOPPED IN THE MIDDLE OF TRAFFIC. THIS IS A CLEAR SAFETY ISSUE THAT LEXUS CLEARLY KNOWS ABOUT (SEE EG002-97) BUT WHICH THE NHTSA HAS DONE NOTHING…”
Fuel system, gasoline
2 reports
“DRIVING VEHICLE DOWN FREEWAY STARTED SMELLING GASOLINE ODOR. DROVE STRAIGHT TO NEAREST TOYOTA DEALER. TO MAKE A LONG STORY SHORT, THE SEAMS OF THE FUEL TANK HAD SPLIT OPEN. SINCE THE FUEL TANK IS LOCATED IN THE TRUNK THE FUEL DRAINED INTO THE CABIN OF THE VEHICLE AND ALSO WAS SPILLING OUT ON THE DRIVE OF THE DEALERSHIP WHEN I ARRIVED. TEJAS TOYOTA IN HUMBLE, TX. THE DEALER PERSONNEL IMMEDIATELY TOOK THE VEHICLE TO A REMOTE LOCATION ON THEIR LOT DUE TO THE GREAT POSSIBILITY OF AN EXPLOSION. I CONTACTED LEXUS TO NOTIFY OF THE SITUATION, RECEIVED AN INCIDENT NUMBER. CAR WAS REPAIRED, WHEN COMPLETE I NOTIFIED LEXUS, THEY SEEMED NOT TO CARE MUCH, OFFERED TO MAKE ME AN APPOINTMENT AT A LEXUS DEALERSHIP TO VERIFY THE TOYOTA DEALER HAD INSTALLED THE NEW PARTS CORRECTLY FOR A CHARGE. THAT IS AFTER PAYING OVER $2,300.00 FOR A NEW FUEL TANK. THEY CLOSED THE INCIDENT REPORT MUCH TO MY DISMAY. THE MONEY IS NOT THE ISSUE BUT MY CONCERN THAT THIS MIGHT BE AN AGE ISSUE THAT COULD AFFECT OTHERS. I HAD PUT OUT A CIGARETTE JUST BEFORE A FULL TANK OF FUEL EMPTIED INTO THE VEHICLE. OH AND YES I HAD FILLED THE TANK JUST BEFORE THE INCIDENT. I DO POSSESS THIS ORIGINAL DEFECTIVE TANK.…”
Visibility
2 reports
“AS HIGHWAY SPEED IS INCREASED FRONTAL/SIDE WIND OFF WINDSHIELD CAUSED AT TWO DIFFERENT TIMES FOR ME TO HAVE TO REALIGN THE CAR ON THE ROADWAY DUE TO THIS PROBLEM, ALSO AS THE SPEED INCREASES THE INSIDE OF THE CAR IS NOISY.*AK”
Service brakes, hydraulic
2 reports
“THE BRAKE ROTORS ARE EXPERIENCING PREMATURE WARPING. *MJS”
Engine
1 report
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.