Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 11 of 17 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Vehicle Speed Control. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Suspension. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
6 crash reports0 fire reports2 injury reports
What owners actually said
17 reports
116,044 miles · Jun 19, 2017
Service BrakesVehicle Speed Control
TL* THE CONTACT OWNS A 1999 LEXUS GS400. WHILE DRIVING APPROXIMATELY 35 MPH, THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE DID NOT STOP AND SURGED FORWARD. THE CONTACT HAD TO PUMP THE BRAKE PEDAL APPROXIMATELY THREE TIMES UNTIL THE VEHICLE STOPPED. THE CONTACT STATED THAT THE VEHICLE WAS REPAIRED FOR THE SAME FAILURE IN…
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TL* THE CONTACT OWNS A 1999 LEXUS GS400. WHILE DRIVING APPROXIMATELY 35 MPH, THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE DID NOT STOP AND SURGED FORWARD. THE CONTACT HAD TO PUMP THE BRAKE PEDAL APPROXIMATELY THREE TIMES UNTIL THE VEHICLE STOPPED. THE CONTACT STATED THAT THE VEHICLE WAS REPAIRED FOR THE SAME FAILURE IN 2013 BY BAY RIDGE LEXUS (6502 5TH AVENUE BROOKLYN, NEW YORK 11220). THE VEHICLE WAS GOING TO BE TOWED TO THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 116,044.
NHTSA ODI #10995810
260,000 miles · May 26, 2017
Service BrakesVehicle Speed ControlCrash
MAY 9, 2017. AT APPROXIMATELY 5:50 PM, I GOT IN MY CAR WHICH WAS PARKED IN A SMALL OUTDOOR PARKING LOT. I STARTED IT AND PUT IT IN REVERSE AND THE CAR TOOK OFF. EVEN THOUGH I APPLIED THE BRAKES THE CAR DID NOT STOP OR SLOW DOWN. IT SLAMMED INTO A PARKED 2016 MERCEDES WITH SUCH FORCE THAT THE MERCEDES WAS LEFT ALMOST PERPENDICUL…
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MAY 9, 2017. AT APPROXIMATELY 5:50 PM, I GOT IN MY CAR WHICH WAS PARKED IN A SMALL OUTDOOR PARKING LOT. I STARTED IT AND PUT IT IN REVERSE AND THE CAR TOOK OFF. EVEN THOUGH I APPLIED THE BRAKES THE CAR DID NOT STOP OR SLOW DOWN. IT SLAMMED INTO A PARKED 2016 MERCEDES WITH SUCH FORCE THAT THE MERCEDES WAS LEFT ALMOST PERPENDICULAR WITH ITS SPACE. POLICE WERE CALLED AND CAME TO SCENE BUT BECAUSE THE PARKING LOT IS ON PRIVATE PROPERTY, NO REPORT WAS FILED. THE OWNER OF THE OTHER VEHICLE AND I EXCHANGED INFORMATION.
BATTERY DRAIN AND DAMAGING ALTERNATER . HEADLIGHTS FLICKERS AND GAS LEAK AND POWER STEERING PROBLEMS.
NHTSA ODI #10916373
170,000 miles · Oct 19, 2015
Exterior Lighting
THE TRUNK MOUNTED BRAKE LIGHTS HAVE FADED FROM RED TO PINK. IT IS A PROBLEM WITH THESE CARS. THIS CAR HAS BEEN GARAGED WHEN IT IS NOT DRIVEN.
NHTSA ODI #10783414
45 miles · Jun 22, 2015
Air BagsSeat BeltsUnknown Or OtherCrashInjury
WAS IN A SERIOUS CAR WRECK..HAVE SEVER MAKES ON BODY FROM SEATBELT...WHEN AIRBAG DEPLOY KNOCKED OUT WINDSHIELD..HAVE STITCHES IN ARM FROM GLASS.CAR IS TOTAL..HAD TO GET CUT OUT OF CAR.
NHTSA ODI #10726477
Mileage unknown · Jul 6, 2010
Engine And Engine CoolingCrashInjury
TL*THE CONTACT OWNS A 1998 LEXUS GS400. WHILE DRIVING APPROXIMATELY 70 MPH THE VEHICLE STALLED CAUSING A VEHICLE TO CRASH INTO THE REAR OF THE VEHICLE. A POLICE REPORT WAS FILED. THE DRIVER WAS INJURED. THE VEHICLE WAS DESTROYED AND TOWED TO AN UNKNOWN LOCATION. THE VEHICLE WAS NEVER EXAMINED FOR THE CAUSE OF FAILURE. THE FA…
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TL*THE CONTACT OWNS A 1998 LEXUS GS400. WHILE DRIVING APPROXIMATELY 70 MPH THE VEHICLE STALLED CAUSING A VEHICLE TO CRASH INTO THE REAR OF THE VEHICLE. A POLICE REPORT WAS FILED. THE DRIVER WAS INJURED. THE VEHICLE WAS DESTROYED AND TOWED TO AN UNKNOWN LOCATION. THE VEHICLE WAS NEVER EXAMINED FOR THE CAUSE OF FAILURE. THE FAILURE AND CURRENT MILEAGES WERE UNKNOWN. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10341638
135,000 miles · Jul 1, 2010
Electrical System
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. *TR
NHTSA ODI #10341063
21,000 miles · Dec 2, 2009
Vehicle Speed Control
TL*THE CONTACT OWNS A 1999 GS400. THE CONTACT STATED THAT WHILE APPLYING THE BRAKE, THE VEHICLE WOULD ACCELERATE. THE FAILURE HAS OCCURRED INTERMITTENTLY FOR 10 YEARS. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE CONTACT STATED THAT THE FLOOR MAT RECALL SHOULD BE CONSIDERED REGARDING THE FAILURE. THE CURRENT MILEAGE WAS 8…
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TL*THE CONTACT OWNS A 1999 GS400. THE CONTACT STATED THAT WHILE APPLYING THE BRAKE, THE VEHICLE WOULD ACCELERATE. THE FAILURE HAS OCCURRED INTERMITTENTLY FOR 10 YEARS. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE CONTACT STATED THAT THE FLOOR MAT RECALL SHOULD BE CONSIDERED REGARDING THE FAILURE. THE CURRENT MILEAGE WAS 80,000 AND THE FAILURE MILEAGE WAS 21,000.
NHTSA ODI #10294248
147,000 miles · Mar 16, 2009
Electrical SystemSuspension
TL*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 CURREN…
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TL*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. *LJ UPDATED 04/27/09.*JB
NHTSA ODI #10262023
51,000 miles · Apr 19, 2005
Electrical System
WHILE DRIVING AT SEVERAL DIFFERENT SPEEDS VEHICLE WILL JUST CUT OFF, WHICH COULD BE QUITE DANGEROUS WHEN YOU ACCELERATING INTO TRAFFIC.*AK
NHTSA ODI #10118133
Official recalls
0
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1
DP03003 · Unintended Engine Speed Increase/sa
Opened Jul 17, 2003 · Closed Sep 23, 2003
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
ON MAY 13, 2003 THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION (NHTSA) RECEIVED AN APRIL 25, 2003 LETTER FROM MR. PETER BODDAERT PETITIONING THE AGENCY TO CONDUCT A PETITION ANALYSIS OF CERTAIN 1997 THROUGH 2000 MODEL YEAR LEXUS 300 AND 400 SERIES VEHICLES FOR PROBLEMS OF VEHICLE SPEED CONTROL LINKAGES WHICH RESULTS IN SUDDEN, UNEXPECTED EXCESSIVE (VEHICLE) ACCELERATION EVEN THOUGH THERE IS NO PRESSURE [SIC]APPLIED TO THE ACCELERATOR PEDAL.IN SUPPORT OF HIS PETITION, MR. BODDAERT CITES A NUMBER OF ODI REPORTS CONCERNING VEHICLE SPEED CONTROL LINKAGES IN THE SUBJECT VEHICLES.INCLUDED AMONGST THE THIRTY-SIX REPORTS HE CITES IS ONE INVOLVING A LEXUS THAT COLLIDED WITH FIVE OTHER CARS IN THE SPACE OF ONE-HALF MILE BEFORE IT COULD BE STOPPED.ODI FOUND NO DATA INDICATING THE EXISTENCE OF A DEFECT TREND RELATED TO THE PETITIONER'S ALLEGATIONS AT THIS TIME.THEREFORE, THERE IS NO REASONABLE POSSIBILITY THAT AN ORDER CONCERNING THE NOTIFICATION AND REMEDY OF A SAFETY-RELATED DEFECT WOULD BE ISSUED AS A RESULT OF GRANTING MR. BODDAERT'S PETITION.CONSEQUENTLY, IN VIEW OF THE NEED TO ALLOCATE AND PRIORITIZE NHTSA'S LIMITED RESOURCES TO BEST ACCOMPLISH THE AGENCY'S SAFETY MISSION, THE PETITION IS DENIED.
1999 Lexus GS400 Problems, Complaints & Recalls | Skip That Year