Problems · NHTSA complaints
2000 Lexus LS400 problems
Owners filed 12 complaints about the 2000 Lexus LS400 with NHTSA between Aug 2000 and Aug 2014. The most-cited component is vehicle speed control (6).
Complaints
12
Filed with NHTSA
Crashes
3
Reported by owners
Fires
0
Reported by owners
Injuries
2
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Vehicle speed control6
- Electrical system3
- Power train3
- Tires1
- Equipment1
- Service brakes, hydraulic1
- Latches/locks/linkages1
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
1
0
1
0
3
1
1
0
1
0
0
0
1
0
3
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2000 | 1 |
| 2001 | 0 |
| 2002 | 1 |
| 2003 | 0 |
| 2004 | 3 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 0 |
| 2008 | 1 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 1 |
| 2013 | 0 |
| 2014 | 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
Vehicle speed control
6 reports3 crashes
“TL* THE CONTACT OWNS A 2000 LEXUS LS400. THE CONTACT STATED THAT WHILE SLOWLY PULLING INTO A PARKING LOT, THE VEHICLE SUDDENLY ACCELERATED ABNORMALLY. THE VEHICLE CRASHED INTO A WALL AND THE AIR BAGS DEPLOYED. THE VEHICLE WAS DESTROYED. THE DEALER WAS NOTIFIED AND ADVISED THAT THEY WOULD INVESTIGATE THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 100,000.”
Electrical system
3 reports
“OWNER WAS DRIVING AN A BUSY STREET AT 25 MILES PER HOUR AND NOTICED THE INSTRUMENT CLUSTER WAS NOT WORKING. OWNER DROVE VEHICLE INTO A PARKING LOT. VEHICLE WAS STOPPED. VEHICLE WAS RESTARTED AND INSTRUMENT CLUSTER BEGAN TO FUNCTION AGAIN. OWNER DROVE THE VEHICLE FROM THE PARKING LOT, HIT A SMALL POTHOLE. THE INSTRUMENT CLUSTER FAILED AGAIN. OWNER TOOK THE VEHICLE TO DEALER. VEHICLE WAS INSPECTED AND THE INSTRUMENT PANEL, CIRCUIT BOARD AND GAUGE KIT WERE REPLACE AT A COST OF $1335.02. *TR”
Power train
3 reports
“VEHICLE WAS TAKEN TO DEALER FOR MASTER KEY ADDITION . MASTER KEY WAS MADE BY DEALER AND WAS DEFECTIVE CAUSING DAMAGE TO IGNITION. (21 APRIL 2014) AT INTERVALS KEY COULD NOT BE REMOVED FROM IGNITION. IGNITION WOULD LOCK. DEALER REFUSED TO REPLACE KEY OR TO REFUND $186.00 PAID BY OWNER FOR ADDITIONAL MASTER KEY. TIRES 4-03-2014 AS APART OF THE VEHICLE INSPECTION TIRES WERE CHECKED BY TECHNICIAN, DEEMED TO BE SAFE. CRACKS BECAME NOTICEABLE IN THE SIDE WALLS OF THE TIRES ON 6-17-2014. NEW TIRES WERE PLACED ON VEHICLE BY DIFFERENT COMPANY ON 6-17-2014 THIS COMPANY DETERMINED ALL FOUR OF THE TIRES TO BE ROTTEN AND NOT SAFE TO BE USED AS A SPARE. OLD ROTTEN TIRES REMAIN IN THE POSSESSION OF THIS OWNER. *TR”
Tires
1 report
“TL* THE CONTACT OWNS A 2000 LEXUS LS400. THE CONTACT HAD A NEW KEY MADE FOR HER VEHICLE, WHICH CAUSED THE IGNITION TO FAIL. THE VEHICLE WOULD STALL AND THE CONTACT WOULD BE UNABLE TO REMOVE THE KEY FROM THE IGNITION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 104,000. UPDATED 09/16/14*LJ THE CONSUMER STATED THE DEALER REFUSED TO REPLACE THE KEY OR REFUND THE COST OF THE BATTERIES. THE DEALER FAILED TO DETERMINE THAT THE TIRES WERE ROTTEN DURING SERVICE CHECK, FAILED TO PROVIDE WORKING BATTERIES FOR KEYS AND ORIGINAL COPY OF KEY. THERE WAS AN OVERFLOW OF TRANSMISSION FLUID FOUR TIMES. UPDATED 1/16/2015 *JS”
Equipment
1 report
Service brakes, hydraulic
1 report
“NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK”
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.