Problems · NHTSA complaints
2006 Lexus LS430 problems
Owners filed 17 complaints about the 2006 Lexus LS430 with NHTSA between Oct 2006 and Aug 2022. The most-cited component is tires (5).
Complaints
17
Filed with NHTSA
Crashes
6
Reported by owners
Fires
0
Reported by owners
Injuries
5
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Tires5
- Vehicle speed control5
- Air bags2
- Structure2
- Wheels2
- Electrical system2
- Service brakes, hydraulic2
- Engine1
- Fuel/propulsion system1
- Visibility/wiper1
- Fuel system, gasoline1
- Steering1
- Exterior lighting1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 8, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
1
3
0
3
1
2
0
0
2
1
0
0
1
1
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 3 |
| 2009 | 0 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 0 |
| 2022 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Tires
5 reports
“ALL FOUR TIRES DEFECTIVE AND DANGEROUS 1.On February 10, 2020 we purchased four Goodyear Assurance Weatherready tires from Riverside Garage (19 East Ave., Riverside, 60546 708-447-7221 (see attached receipt) 2.On August 5, 2022 the rear/driver’s side tire went flat in Springfield, Illinois during a family visit. We were unable to reinflate the tire. Discount Tire inspected it and found a 12 inch or greater slit and a 1-1/2 inch slit on the inside wall of the tire (see attached photos). The slits revealed white mesh inner membrane. It was unsafe to use, so Discount Tire replaced it. 3.On August 7, 2022, while on route back to Riverside, Illinois from Springfield, Illinois on Interstate 55 we observed a “low tire” light another Assurance tires at rear/passenger side tire. 4.On August 8, 2022 Riverside Garage inspected the rear/passenger tire to find a 1-1/2 inch slit on the inside wall of the tire, which was similarly situated as the other tire. It also revealed an interior mesh membrane similar to the other flat tire. Further inspection of the remaining two tires showed faint “lines” similarly positioned across the inside walls of the remaining front two tires.…”
Vehicle speed control
5 reports5 crashes
“AT APPROXIMATELY 2:00 PM ON JAN. 5, 2020, I WAS DRIVING MY 2006 LEXUS LS 430 IN A RESIDENTIAL AREA IN BETHESDA, MD. I DECIDED TO TURN AROUND. I TURNED RIGHT INTO A DRIVEWAY (AT A LOW SPEED) WITH THE BRAKE PEDAL APPLIED. SUDDENLY, AND WITHOUT WARNING, THE CAR ACCELERATED WILDLY, MAKING A GREAT DEAL OF ENGINE NOISE, AS THE THROTTLE APPEARED TO BE WIDE OPEN. THANKFULLY I HIT A NEAR-BY TREE AND TWO FRONT AIR BAGS DEPLOYED. A HOMEOWNER CALLED THE POLICE, AND AN AMBULANCE TOOK ME TO THE EMERGENCY ROOM AT A NEARBY HOSPITAL. IF THIS SUDDEN ACCELERATION HAD OCCURRED ON A HIGHWAY, I AM CERTAIN THAT LIVES WOULD HAVE BEEN LOST.”
Air bags
2 reports2 crashes
“PULLED CAR INTO LINED PARKING SPACE, PLACED CAR IN PARK, TURNED CAR OFF (KEYLESS IGNITION "SMART KEY" ON DASH TURNED TO LEFT/OFF POSITION, ABOUT TO GET OUT OF CAR, JUST STARTED TO TAKE SEAT BELT OFF WHEN CAR STARTED UP, WENT UNCONTROLLABLY FORWARD OVER CEMENT PARKING BARRIER AND CEMENT WALKWAY AND HIT PARKED VEHICLE ON OTHER SIDE OF LOT, ALL THE WHILE SHIFTER IN PARK POSITION AND FOOT ON BRAKE, TRIED TO KEEP CAR STRAIGHT, BUT WOULD NOT RESPOND AND VEERED TO THE RIGHT. AFTER THIS FIRST IMPACT SHIFTER SLIPPED FROM PARK TO REVERSE ON OWN AND CAR WENT BACKWARDS AGAIN OVER CEMENT BARRIER AND WALKWAY AND HIT CAR BEHIND AND FINALLY CAME TO REST. IN GOING BACKWARDS BRAKES DID NOT AGAIN RESPOND. THIS WAS EXPERIENCED AND WITNESSED BY TWO OTHER PASSENGERS INSIDE THE CAR, TOW TRUCK PERSONNEL ALSO NOTED THAT AFTERWARDS, WHEN PLACED IN NEUTRAL TO PUT ON FLATBED, CAR SHIFTER HAD TENDENCY TO GO TO REVERSE OR FORWARD GEAR. POLICE REPORT STATED THAT "IT APPEARS THAT A VEHICLE MALFUNCTION COULD HAVE BEEN THE CAUSE OF THE CRASH". THIS VEHICLE IS A BRAND NEW 2006 LEXUS LS430, PURCHASED 5/30/06 WITH ONLY 4800 MILES ON IT! DRIVER AND ONE PASSENGER HAVE SOFT TISSUE MUSCULOSKELETAL…”
Structure
2 reports1 crash
“MY 2006 LEXUS LS 460 HAS A DASHBOARD THAT IS STICKY AND HARD TO SEE OUT OF AT TIMES WHEN DRIVING. I HAVE ALSO NOTICED MY INTERIOR DOOR PANELS ARE STARTING TO HAZE WITH A WHITE FILM ON THEM. I HAVE TAKEN EXTREME CARE WITH THIS VEHICLE AS IT RECEIVES ALL THE NORMAL MAINTENANCE AND EVERY 3 WEEKS A FULL DETAIL INSIDE AND OUT. I THOUGHT IT WAS THE CHEMICALS BEING UTILIZED BY THE DETAILERS, AND I ASKED THEY STOP USING CHEMICALS AND ONLY USE SOAP AND WATER. I LATER FOUND AFTER SPEAKING WITH THEM THAT IT IS COMMON IN A LOT OF LEXUS SEDANS. I LOOKED IT UP ON THE INTERNET AND FOUND THAT THERE WAS A DEFECT IN MANY LEXUS' FROM 2006 TO 2008. SO I AM INQUIRING HERE TO SEE IF ANYTHING CAN BE DONE ABOUT IT. *TR”
Wheels
2 reports
“IN MARCH INSTALLED 4 BRAND NEW DUNLOPS IN MY CAR AFTER DRIVING 13K MILES STARTED FEELING A SHAKE IN THE STEERING WHEEL THE RETAILER KEPT ROTATING AND BALANCING THE TIRE AND THE ISSUE WAS STILL THERE CALLED DUNLOP TO LET THEM KNOW THE ISSUE AND CALLED CORPORATE OF THE RETAILER AFTER DOING THE DIAGNOSIS THEY TOLD ME THAT 2 TIRES ARE DEFECTIVE AND THEY WILL REPLACE THE TIRE AFTER THAT THE ISSUE IS STILL THERE I HAVE BEEN TRYING TO REACH TO DUNLOP TIRES CORPORATE AND HAVE BEEN UNSUCCESSFUL ALL TIMES GAVE THE GAVE CAR TO LEXUS DEALER TO DIAGNOSE THE ISSUE AFTER A ROAD FORCE WAS PERFORMS ONE OF THE 2 TIRES REPLACED TURNED OUT TO STILL BE DEFECTIVE AND THE RETAILER AMERICAS TIRE IN CALIFORNIA REPLACED ALL 4 TIRES ON MY CAR BUT THE ISSUE IS STILL THERE I HAVE BEEN TRYING TO REACH THE AMERICAS TIRE DISTRICT MANAGER AND ALSO HAVE BEEN UNSUCCESSFUL AND THEY REFUSE TO TAKE RESPONSIBILITY ALONG WITH DUNLOP THAT THE TIRE S ALL STILL DEFECTIVE I AM RUNNING OUT OF OPTIONS AND AM GETTING FRUSTRATED AS THEY ARE BLAMING EACH. I AM GETTING THE STEERING WHEEL SHAKE ON THE FREEWAY AND I HAVE DONE SEVERAL TEST DRIVES WITH THE LEXUS FOREMAN AND THE AMERICAS TIRE BRANCH MANAGER WHO…”
Electrical system
2 reports
“I OWN A 2006 LEXUS LS430, WHICH I'VE HAD SINCE NEW. IT ONLY HAS ABOUT 70K MILES ON IT AND HAS BEEN MAINTAINED SOLELY AT LEXUS DEALERSHIP WHERE VEHICLE WAS PURCHASED IN RALEIGH NC. TODAY WHILE REVERSING DOWN A STEEP DRIVE MY VEHICLE SUDDENLY LOST POWER AND CUT OFF. I LOST ALL HYDRAULIC BRAKE ASSISTANCE AND STEERING ASSIST. I WAS MOVING AT ABOUT 8 MPH AT TIME OF FAILURE. NO MALFUNCTION INDICATORS APPEARED ON THE DASH BEFORE OR AFTER THIS. MY VEHICLE HAD AT LEAST 10 GALLONS OF FUEL IN THE TANK AS IT INDICATES ABOUT ⅝ FULL. I WAS ABLE TO RESTART THE VEHICLE AFTER STOPPING AND THE CAR RAN FINE ON MY WAY HOME. I AM SCHEDULING AN APPOINTMENT WITH DEALERSHIP FOR INSPECTION BUT THIS WAS SCARY AND I'M JUST CONCERNED IF THE SAME THING HAPPENED AT HIGHWAY SPEEDS IF IT COULD BE FATAL LIKE THE GM IGNITION RECALL. MY VEHICLE IS EQUIPPED WITH KEYLESS IGNITION SO NO KEYS WERE IN THE STARTER THAT COULD HAVE SWITCHED IGNITION OFF.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 8, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.