1999 Lexus LS400 vehicle speed control problems
12 owner complaints filed with NHTSA name the vehicle speed control on the 1999 Lexus LS400 — 55% of all complaints for this model year.
What owners report
“Tl* the contact owns a 1999 lexus ls400. The contact stated that while driving 15 mph, he applied the brake due to traffic. However, the vehicle accelerated independently and crashed into the rear of another vehicle. The crash caused damage to both vehicles as well as an injured knee of the driver…”
filed Dec 5, 2012
“I am reporting this because it might provide a clue to the toyota racing engine problem. On each of two days before I took my 1999 lexus 400 to the dealer for repairs, the engine would race at an estimated 4,000+ rpms and emitted a grinding sound as the car was started. After turning off the engine…”
filed Mar 12, 2010
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other LS400 years
| Year | Reports | Share |
|---|---|---|
| 1998 LS400 | 14 | 31% |
| 1996 LS400 | 1 | 5% |
| 1995 LS400 | 1 | 3% |
| 1993 LS400 | 5 | 8% |
| 1991 LS400 | 2 | 10% |
| 1990 LS400 | 2 | 8% |
Other reported problem areas on the 1999 Lexus LS400
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.