Skip to content
Electrical systemPart report

1999 Lexus GS400 Electrical system Problems

Complaints
4about this part
Share
24%of 17 total for the year
Median mileage
135,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 1999 Lexus GS400, 24% of the 17 complaints for this model year. Where a mileage was given, the median is 135,000 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Vehicle engine suddenly turns off while driving. Has occurred while driving at low speed in heavy traffic, as well as more than once when entering a freeway on freeway on-ramp.”

NHTSA complaint #10341063, filed 2010-07, 135,000 miles

“The contact owns a 1999 Lexus GS400. While driving at an unknown speed, the lower ball joint made a loud squeaking noise and then failed. The vehicle was towed to an auto body shop and the diagnostic indicated that the sensor wire had to be rewired and the front lower ball joint needed to be repaired. The vehicle is currently being repaired. The contact has researched a couple of complaints for this failure on the internet. The failure and current mileages were 147,000. Updated 04/24/09. Updated 04/27/09.”

NHTSA complaint #10262023, filed 2009-03, 147,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2000113%
1999424%
199826%

Other parts of the 1999 Lexus GS400

Vehicle speed control
6 complaints
Suspension
4 complaints
Brakes
3 complaints
Engine cooling
2 complaints
Exterior lighting
2 complaints
Air bags
1 complaints
Fuel system
1 complaints
Other or unknown
1 complaints
Seat belts
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 1999 Lexus GS400

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology