2004 Lexus IS 300 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2004 Lexus IS 300, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Driver assistance420.0%
- Body & structure420.0%
- Airbags315.0%
- Engine210.0%
- Tires & wheels210.0%
- Brakes15.0%
- Other / unspecified15.0%
- Suspension15.0%
- Visibility15.0%
- Electrical15.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
TL*THE CONTACT LEASED A 2004 LEXUS IS300. THE CONTACT STATED THAT WHILE DRIVING 5 MPH, THE VEHICLE UNINTENTIONALLY ACCELERATED, DROVE OVER A CURB, AND CRASHED INTO THE STEPS ON A RAILING OF A BUILDING. THE CONTACT CONTINUED TO APPLY PRESSURE TO THE BRAKE PEDAL IN ORDER TO GAIN CONTROL OF THE VEHICLE. A POLICE REPORT WAS FILED, BUT SHE DID NOT RECEIVE A COPY. THE VEHICLE WAS REPAIRED AT THE INSURANCE COMPANIES EXPENSE. THE WEATHER WAS NOT A FACTOR. THE APPROXIMATE FAILURE MILEAGE WAS 34,527. UPDATED 06/03/10.*JB
ON THE MORNING OF DECEMBER 22, 2009, AT APPROXIMATELY 6:30 AM, ON THE NORTHBOUND ON RAMP TO I-25 AT CASTLE PINES NORTH, CASTLE ROCK, CO MY 2004 LEXUS IS 300 ACCELERATED OUT OF CONTROL. STOMPING THE BRAKES HARD DID NOT STOP THE ACCELERATION. THE ONLY THING GOING THROUGH MY MIND AT THE TIME BESIDES STOPPING THE CAR, WAS THE FAMILY OF FOUR IN CALIFORNIA THAT DIED IN A RENTED LEXUS THAT ACCELERATED OUT OF CONTROL. I WAS ABOUT AT THE END OF THE ON RAMP, AND I KNEW I COULD NOT MERGE ONTO I-25, WHEN STANDING ON THE BRAKES STOPPED THE ACCELERATION, AND I WAS THEN ABLE TO GET THE CAR STOPPED. AFTER CALMING DOWN, I DROVE MY CAR INTO WORK ( ABOUT 20 MILES) AND CALLED KUNI LEXUS OF LITTLETON, CO. KUNI LEXUS INFORMED ME AT THAT TIME I NEEDED TO REPORT THIS INCIDENT TO TOYOTA HEADQUARTERS BEFORE KUNI LEXUS COULD DO ANYTHING, SO I CALLED TOYOTA AND REPORTED THE INCIDENT, THEN CALLED KUNI LEXUS BACK, TOLD THEM WHAT HAPPENED AND ARRANGED TO HAVE MY CAR TOWED TO THE DEALERSHIP. KUNI LEXUS HAD MY CAR FOR A WEEK, AND DID NOT FIND ANYTHING WRONG WITH THE CAR. THEY DID NOTE THAT MY FLOOR MATS WERE NOT HOOKED INTO PLACE. THE FLOOR MATS WERE THE FIRST THING I CHECKED, AS I HAD HEARD THE FLOOR MAT THEORY. THE MATS WERE IN PLACE WHEN I CHECKED THEM, BEFORE I HAD MY CAR TOWED TO THE DEALERSHIP. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
DASHBOARD IS MELTING AND HAS BECOME STICKY AND RUBS OFF ON CLOTHING. THIS INCLUDES THE PASSENGER SIDE AIRBAG SURFACE. THIS HAPPENS WHEN VEHICLE IS PARKED IN THE SUN.
STICKY MELTING DASHBOARD. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
STICKY RESIDUE DUE TO THE MELTING MATERIAL ON THE DASHBOARD CAUSES FUMES. FUMES ARE TOXIC AND IS GETTING IN THE AC AND VENTILATION. MELTING DASHBOARD. STICKY RESIDUE. CLOTHES WILL STICK TO IT. MELTS WHEN IT GETS HOT IN THE CAR. CURRENTLY LIVING IN CALIFORNIA WHERE IT IS SUMMER WEATHER 9 OUT OF THE 12 MONTHS. PLEASE HELP.
DASHBOARD IS MELTING AND HAS BECOME STICKY AND RUBS OFF ON CLOTHING. THIS INCLUDES THE PASSENGER SIDE AIRBAG SURFACE. THIS HAPPENS WHEN VEHICLE IS PARKED IN THE SUN.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
ENGINE QUIT ON HIGHWAY AT 65 MPH COASTED OF SHOULDER OF ROAD. WRECKER DROPPED AT DEALER. THEY MIS DIAGNOSED A BAD COIL. APPROXIMATELY 6 HOURS LATER THE CAR QUIT IN SAME WAY AGAIN. ANOTHER REPAIR SHOP PROPERLY DIAGNOSED THE PROBLEM AS AN IGNITOR CONTROL MODULE. THE ORIGINAL REPAIR CO.COMMUNITY TOYOTA WILL NOT TAKE RESPONSIBILITY FOR THE UNSAFE CONDITION THEY PUT ME IN. TOYOTA COMPANY SAYS THEY HAVE NO CONTROL OR SAY IN SERVICE PROBLEMS CREATED BY DEALERS. THE FIRST QUESTION THE 2ND REPAIR SERVICE ASK WAS THE CAR RUNNING ROUGH. I SAID NO IT JUST QUIT. THIS QUESTION SHOULD HAVE BEEN ASK BY THE TOYOTA DEALER THAT DID THE FIRST REPAIR. COMMUNITY TOYOTA, BAYTOWN TEXAS. I MADE A GOOD FAITH EFFORT TO GET THE DEALER AND TOYOTA CO. TO ACKNOWLEDGE THEY MADE A MISTAKE AND TAKE CORRECTIVE ACTION SO THEY WILL NOT DO UNSAFE WORK IN THE FUTURE. I BELIEVE IN THE INTEREST OF PUBLIC SAFETY SOME ONE SHOULD SEE THAT THE MECHANIC AND SERVICE MANAGER WERE PROPERLY TRAINED. SO THEY DO NOT MAKE THE SAME MISTAKE IN THE FUTURE AND PUT DRIVERS THEIR PASSENGERS AND OTHER VEHICLES AT RISK. I SENT CERTIFIED LETTERS TO DEALER AND TOYOTA CO. DEALER DID NOT RESPOND TOYOTA CO. SAID THEY DID NOT GET INVOLVED WITH SERVICE COMPLAINTS. PROPERLY TRAINING AND SUPERVISING MECHANICS HAS TO BE SOMEBODY'S RESPONSIBILITY. PLEASE ADVISE ME IF YOU CAN HELP.
THE LEXUS IS300 HAVE THE WORST DASH, I DON'T UNDERSTAND WHY LEXUS DIDN'T HAVE A RECALL ON THEM AS THEY DID FOR THE IS250 OR THE IS350. GOD FORBIDS YOU PARK YOUR CAR AT WORK AND AT THE END OF THE DAY WHEN YOU GET IN YOUR VEHICLE AND YOU TOUCH THE DASH OR AROUND THE SHIFTER, IT FEELS LIKE IT IS MELTING. AND SOMETIMES I WONDER IF THERE IS SOME TYPE OF FUME RADIATING FROM THE DASH ITSELF. #2. THE THROTTLE BODY ISSUE-APPARENTLY I AM NOT THE ONLY ONE WHO IS HAVING THE ISSUE, SOMETIMES IT TAKES OFF, SOMETIMES IT DOESN'T PUSH AIR THROUGH AND THERE IS A 2-3 SECONDS DELAY WHICH CAN CAUSE AN ACCIDENT ESPECIALLY IF YOU ARE CROSSING AN INTERSECTION. I ALMOST GOT HIT TWICE
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2004 LEXUS IS-300 EQUIPPED WITH NEXEN N-5000 TIRES (N.A), LINE SIZE 215/45/17. THE CONTACT STATED THAT HE NOTICED LARGE CIRCULAR CRACKS ON THE SIDEWALL OF THREE OF THE FOUR TIRES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN VERIFIED THE FAILURE AND ADVISED THE CONTACT THAT THE PROBLEM WAS A MANUFACTURING DEFECT. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE TIRES WERE REPLACED. THE DOT NUMBER WAS NOT AVAILABLE. THE FAILURE MILEAGE ON THE VEHICLE WAS 91,000. THE FAILURE MILEAGE OF THE TIRES WAS 15,000. *TR
WHILE DRIVING IN INCLEMENT WEATHER THE VEHICLE REAR TRACTION MALFUNCTIONED WHICH RESULTED IN FREQUENT SPINOUTS AND A SUBSEQUENT COLLISION WITH ANOTHER VEHICLE. *NM (2004 LEXUS IS300) THE CONSUMER STATED THE TIRES ON THE VEHICLE PERFORMED POORLY AND SHOULD NOT HAVE BEEN PLACED ON THE VEHICLE. *JB THE CONSUMER STATED THAT EVEN USING THE SNOW FEATURE TRACTION AND THIRD GEAR HE HAD NO CONTROL OF THE VEHICLE WHILE DRIVING LESS THAN 25 MPH. *TC
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
DT*: THE CONTACT STATED THE BRAKE AND ACCELERATOR PEDALS WERE MADE OF CHROME PLATES THAT CAUSED THE DRIVER TO SLIP OFF THE PEDALS DURING NORMAL ROAD CONDITIONS. THE NATURE OF THE FAILURE WAS PERMANENT. THE MANUFACTURER REFUSED TO REPAIR OR REPLACE THE CHROME PLATED PEDALS. UPDATED 11/30/2006 - THE ONLY SHOES THE CONSUMER COULD WEAR TO ALLEVIATE THE SLIPPAGE WAS ATHLETIC SHOES, LIKE SNEAKERS, WHICH HAVE A RUBBER SOLE. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
TL*THE CONTACT OWNS A 2004 LEXUS IS 300. THE CONTACT EXPERIENCED TWO TIRE FAILURES, IN WHICH THEY SPONTANEOUSLY FLATTENED. SHE HAS LOW PROFILE CHROME-PLATED WHEELS. SHE TOOK THE VEHICLE TO A TIRE REPAIR SHOP AND WAS INFORMED THAT THE INSIDE OF THE CHROME WHEELS WAS CORRODED AND DID NOT SEAL PROPERLY DURING INFLATION. AS A RESULT, AIR INEVITABLY LEAKED FROM THE TIRES. THE TECHNICIAN ALSO STATED THAT SHE NEEDED TO REPLACE ALL FOUR WHEELS. THE CONTACT IS IN THE PROCESS OF NOTIFYING THE MANUFACTURER. THE FAILURE MILEAGE WAS 40,000 AND CURRENT MILEAGE WAS 44,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
ONE WEEKEND I CHECKED ON MY TIRE WEAR, AND NOTICE THE FRONT TIRES ON MY CAR WAS WEARING OUT UNEVENLY, LIKE THE ALIGNMENT WAS OFF, I BROUGHT IT TO THE LEXUS DEALER AND THEY TOLD ME IT WAS A NORMAL WEAR. THE LEXUS FACTORY TOLD ME IT IS HOW THE CAR IS SET UP. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
FRONT WINDSHIELD CRACK WITH NO ROCKS HITTING IT ON THE BOTTOM MID PASSENGER SIDE. CRACKED ALL THE WAY TO THE BOTTOM MID DRIVER SIDE ABOUT 2FT LONG. ALSO STARTED TO CRACK FROM THE MID CORNER OF THE PASSENGER SIDE. ABOUT 6 INCHES LONG. I BELIEVE ITS DUE TO BODY FLEX STRESS THAT THE WINDSHIELD CRACKED.*TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
THE GAS PEDAL WILL INTERMITTENTLY STOP WORKING. FORCING ONE TO PULL OVER, RESTART THE CAR, AND/OR HAVE THE VEHICLE TOWED FOR REPAIR.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .