1994 Lexus LS400 problems & reliability
68 owner complaints filed with NHTSA for the 1994 Lexus LS400. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (4 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 44 | 65% |
| Interior Lighting → | 10 | 15% |
| Seat Belts | 6 | 9% |
| Air Bags | 2 | 3% |
| Exterior Lighting | 2 | 3% |
| Power Train | 2 | 3% |
| Steering | 2 | 3% |
| Tires | 2 | 3% |
| Unknown OR Other | 2 | 3% |
| Wheels | 2 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 12 reported components →Mileage when problems occurred
Among the 32 complaints that included a usable odometer reading, the median reported incident mileage was 92,000 miles (middle 50% between 81,362 and 151,250 miles).
Complaints by incident year
What owners report
“Instrument cluster illumination fails, leaving instruments invisible due to instrument design. At the same time, the fuel gauge stops indicating fuel level. On my particular vehicle, this happens when outside temperature exceeds 75 degrees fahrenheit. In cooler temperatures, the illumination and fuel gauge resume…”
Electrical System · filed Jun 29, 2017
“Tl* the contact owns a 1994 lexus ls400. The contact stated that the front seat belts failed to retract and the seat belts did not fit snug around a person. The vehicle failed to be equipped with three seat belts in the rear seat. The failure has continued to recur. The vehicle was not taken to the dealer for a…”
Seat Belts · filed Jun 24, 2014
“The dashboard panel goes "black" and all instrumentation fails and this has happened to me three times since I have had the car. Then second time at about 115000 and then again at approx 129500. When this occurs the car is not legally drivable as there is no way to know exact speed etc. This type of failure is not…”
Electrical System · filed Mar 27, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
26 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1994 Lexus LS400. The 10 most recent:
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
Safety Recall 22 · Service Bulletin/Repair Instructions · issued Apr 13, 2022
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be…
Lexus PRO19-02 - · Service Bulletin/Repair Instructions · issued Jan 12, 2022
Safety Recall and Service Campaign - Technician Certification Requirements
Lexus Safety Re · Service Bulletin/Repair Instructions · issued May 1, 2020
TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates
L-SB-0179-17 Obs · Service Bulletin/Repair Instructions · issued Apr 6, 2020
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, PG002-90, L-SB-0048-08, PG007-07, PG016-01…
L-SB-0008-20 · Service Bulletin/Repair Instructions · issued Apr 6, 2020
TSB: Replacement Certification Labels. OBSOLETE NOTICE November 28, 2017: This bulletin is now obsolete. Please see L-SB-0179-17.
L-SB-0048-08 Obs · Service Bulletin/Repair Instructions · issued Dec 5, 2017
LSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals…
L-SB-0066-11 Rev · Service Bulletin/Repair Instructions · issued Apr 10, 2015
LSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals…
L-SB-0066-11 Rev · Service Bulletin/Repair Instructions · issued Apr 10, 2015
Auto matic Transmission Replacement kPrecautions
LSB008214 · Service Bulletin/Repair Instructions · issued Oct 16, 2014
TSB: OBSOLETE NOTICE-October 16, 2014: This bulletin is now obsolete. Please see L-SB-0082-14.
L-SB-0041-11 Rev · Service Bulletin/Repair Instructions · issued Oct 16, 2014
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1994 Lexus LS400 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1994 Lexus LS400?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 92,000 miles. This does not predict when a particular vehicle will develop a problem.