1999 Lexus LS400 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
21 owner complaints analyzed
0 distinct recall campaigns
84,500 mi median reported failure mileage
Scope: 1999 model year. Data snapshot: . 12 complaints include usable failure mileage.
Most common problems
Vehicle Speed Control is the most frequently named component, appearing in 9 of 21 complaints (42.9%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 4 | 19.0% |
| Steering behavior | 1 | 4.8% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Vehicle Speed Control | 9 |
| Electrical System | 2 |
| Electrical System: Instrument Cluster/Panel | 2 |
| Structure:Body:Hood | 2 |
| Engine And Engine Cooling | 1 |
| Interior Lighting | 1 |
| Power Train | 1 |
| Seat Belts | 1 |
Vehicle Speed Control: 9; Electrical System: 2; Electrical System: Instrument Cluster/Panel: 2; Structure:Body:Hood: 2; Engine And Engine Cooling: 1; Interior Lighting: 1; Power Train: 1; Seat Belts: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 5 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 2; 50,000 to 74,999: 2; 75,000 to 99,999: 5; 100,000 to 149,999: 2; 150,000 and above: 0
75,000 to 99,999 miles has the most reports with usable mileage (5). 9 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 7 |
| 2012 | 1 |
2000: 2; 2001: 2; 2002: 2; 2003: 1; 2004: 2; 2005: 2; 2007: 1; 2008: 1; 2010: 7; 2012: 1
Pattern summary
Vehicle Speed Control leads the component reports. Braking behavior appears in 4 complaint narratives. Steering behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10083578 · 2004-08-16 (August 16, 2004)
WHILE DRIVING 2 MPH, THE VEHICLE ACCELERATED UNCONTROLLABLY. THE CONSUMER WAS UNABLE TO MAINTAIN CONTROL OF THE VEHICLE AND CRASHED INTO A BUILDING. UPON IMPACT, BOTH FRONTAL AIR BAGS FAILED TO DEPLOY. THE VEHICLE WAS TOWED TO THE DEALER FOR INSPECTION. *AK THE CONSUMER WAS PULLING INTO A PARKING SPACE, SLOWLY, WITH HIS FOOT ON THE BRAKE WHEN THE VEHICLE SUDDENLY ACCELERATED, WENT OVER THE CURB AND INTO THE SIDE OF THE BUILDING. *SC *JB
Owner-reported narrative. 65,869 miles reported. Look up ODI 10083578 at NHTSA ↗
Owner report 10133046 · 2005-08-16 (August 16, 2005)
WHILE SLOWLY PULLING INTO A SHOPPPING CENTER PARKING PLACE THAT WAS PERPENDICULAR TO THE STREET, I HAD MY FOOT ON THE BRAKE WHEN MY VEHICLE SUDDENLY ACCELERATED AND LUNGED OVER THE CURB AND ACROSS THE SIDEWALK INTO A BUILDING. LEXUS HAS BEEN NOTIFIED AND INTIMATED THEY WOULD INVESTIGATE. *NM
Owner-reported narrative. 39,121 miles reported. Look up ODI 10133046 at NHTSA ↗
Owner report 10229242 · 2008-05-29 (May 29, 2008)
THE SEAT BELTS ON MY CAR DO NOT RETRACT OR STAY TIGHT ON ME ANYMORE. THEY CONTINUE TO LOOSEN AS I DRIVE. THEY ARE STIFF ALMOST BRITTLE. THE STEERING WHEEL DOES NOT MOVE OUT LIKE IT USED TO. NOW IT MOVES AWAY FROM THE DASH IN AN UPWARD DIRECTION TOWARD MY FACE. *TR
Owner-reported narrative. 80,000 miles reported. Look up ODI 10229242 at NHTSA ↗