2015 Lexus RX350 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
42 owner complaints analyzed
1 distinct recall campaigns
24,650 mi median reported failure mileage
Scope: 2015 model year. Data snapshot: . 38 complaints include usable failure mileage.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 10 of 42 complaints (23.8%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 4 | 9.5% |
| Fuel system concerns | 4 | 9.5% |
| Engine operation | 2 | 4.8% |
| Electrical and battery issues | 2 | 4.8% |
| Steering behavior | 2 | 4.8% |
| Transmission and shifting | 1 | 2.4% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Unknown Or Other | 10 |
| Engine | 9 |
| Fuel/Propulsion System | 7 |
| Vehicle Speed Control | 7 |
| Air Bags | 5 |
| Electrical System | 3 |
| Structure:Body | 3 |
| Power Train | 2 |
Unknown Or Other: 10; Engine: 9; Fuel/Propulsion System: 7; Vehicle Speed Control: 7; Air Bags: 5; Electrical System: 3; Structure:Body: 3; Power Train: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 19 |
| 25,000 to 49,999 | 14 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 2 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 19; 25,000 to 49,999: 14; 50,000 to 74,999: 2; 75,000 to 99,999: 2; 100,000 to 149,999: 1; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (19). 4 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2015 | 4 |
| 2016 | 10 |
| 2017 | 3 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 3 |
2015: 4; 2016: 10; 2017: 3; 2018: 10; 2019: 5; 2020: 7; 2021: 3
Pattern summary
Unknown Or Other leads the component reports. Braking behavior appears in 4 complaint narratives. Fuel system concerns appears in 4 complaint narratives. Engine operation appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10850385 · 2016-03-18 (March 18, 2016)
TL* THE CONTACT OWNS A 2015 LEXUS RX350. WHILE MAKING A LEFT TURN, THE CONTACT CRASHED INTO THE FRONT DRIVER SIDE OF ANOTHER VEHICLE. THE VEHICLE ACCELERATED EXTREMELY FAST. THE BRAKE PEDAL WAS DEPRESSED, BUT FAILED TO STOP THE VEHICLE. THE CONTACT HAD TO SHIFT THE VEHICLE INTO THE PARK POSITION IN ORDER FOR THE VEHICLE TO STOP. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES REPORTED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. …
Owner-reported narrative. 5,000 miles reported. Look up ODI 10850385 at NHTSA ↗
Owner report 11120691 · 2018-08-17 (August 17, 2018)
TL* THE CONTACT OWNS A 2015 LEXUS RX350. WHEN STOPPED ON A SLIGHT INCLINE, THE VEHICLE HESITATED FOR A SECOND OR TWO WITHOUT WARNING. THE CONTACT CALLED HERB CHAMBERS LEXUS OF HINGHAM (141 DERBY ST, HINGHAM, MA 02043, [phone removed]) AND THE TECHNICIAN EXPLAINED THAT THE VEHICLE HAD A COMPUTER SYSTEM THAT TRACKED THE VARIOUS DRIVING SPEED PATTERNS AND ADJUSTED THE SPEED CONTROL ACCORDING TO THE DRIVER'S DRIVING HABIT. THE TECHNICIAN INFORMED THE CONTACT TO USE THE SPORT MODE OR TO DEPRESS THE BRAKE PEDAL MORE AT AN INCLINE UNTIL THE VEHICLE WA…
Owner-reported narrative. 17,500 miles reported. Look up ODI 11120691 at NHTSA ↗
Owner report 10839160 · 2016-03-01 (March 1, 2016)
TL* THE CONTACT OWNS A 2015 LEXUS RX350. AFTER STARTING THE VEHICLE, THE ENGINE WARNING LIGHT, TRACTION WARNING LIGHT, AND THE ALL WHEEL DRIVE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL TANK NEEDED TO BE REPLACED BECAUSE THE CYLINDER CANISTER CONTAINED FUEL. THE VEHICLE WAS REPAIRED; HOWEVER, THE VEHICLE HAD A FUEL ODOR. THE VEHICLE WAS NOT TAKEN BACK TO A DEALER OR DIAGNOSED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 20,000. THE VIN WAS NOT PROVIDED.…
Owner-reported narrative. 20,000 miles reported. Look up ODI 10839160 at NHTSA ↗
Owner report 10903901 · 2016-09-06 (September 6, 2016)
GAS TANK NEEDED TO BE REPLACED BECAUSE GASOLINE OVERFLOWED INTO THE FUEL TANK CANISTER. SINCE REPLACEMENT CAN INTERMITTENLY SMELL GAS BUT DEALERSHIP SERVICE DEPARTMENT CANNOT SMELL UNEXPLAINED EXCESSIVE ENGINE NOISE IN WHICC DEALERSHIP CANNOT HEAR, AND CANNOT MAINTAIN AN ALIGNMENT.
Owner-reported narrative. 22,300 miles reported. Look up ODI 10903901 at NHTSA ↗
Owner report 11318976 · 2020-03-22 (March 22, 2020)
MY CAR STALLS ON ACCELERATION. NO CHECK ENGINE LIGHT COMES ON. I HAVE RESEARCHED THE INTERNET AND DISCOVERED THAT THERE ARE RECALLS FOR FUEL PUMP FAILURES ON SOME TOYOTAS I HAVE CHECKED WITH THE DEALER AND THE RECALL SITE USING THE VIN. NOTHING I BELIEVE I HAVE A DEFECTIVE FUEL PUMP THAT WAS INSTALLED ON MY VEHICLE. I WOULD APPRECIATE TOYOTA REPAIR IT. .
Owner-reported narrative. 42,000 miles reported. Look up ODI 11318976 at NHTSA ↗
Owner report 11398045 · 2021-02-26 (February 26, 2021)
ENGINE ABRUPTLY STOPS AND I HAVE A 3 SECOND STALL, THEN THE CAR RESUMES NORMAL OPERATION. COULD BE A REAL SERIOUS ACCIDENT WITHOUT WARNING. THIS HAPPENED IN MOTION ON A HIGHWAY FROM A STOP LIGHT OR STOP SIGN OR PULLING OUT ONTO TRAFFIC.
Owner-reported narrative. 58,000 miles reported. Look up ODI 11398045 at NHTSA ↗
Owner report 10854863 · 2016-04-11 (April 11, 2016)
ON FEB 9 2016 A RODENT HAD CHEW THE WIRES INSIDE MY ENGINE WHICH THE BATTERY/CHECK ENGINE AND THE ALL WHEEL TRACTION LIGHT CAME ON. SO I DROVE IT TO THE DEALER SHIP IN TACOMA FIFE OF WA. SO MY INSURANCE COMPANY TOLD THEM TO REPLACE THE WHOLE ENGINE MAIN WIRING HARNESS FOR A TOTAL COST OF $5372.38. EVERYTHING WAS GOOD TO GO, THEN ON 9 APRIL 2016 MY CHECK ENGINE AND AWD DRIVE TRACTION LIGHT CAME ON. SO I TOOK IT TO THE DEALER AGAIN, BUT WHILE DRIVING ON THE HIGHWAY I HEARD CHIMES GOING OFF THEN ALL OF A SUDDEN IT LOSS ACCELERATION POWER AND LOS…
Owner-reported narrative. 5,600 miles reported. Look up ODI 10854863 at NHTSA ↗
Owner report 10876275 · 2016-06-23 (June 23, 2016)
DYNAMIC SPEED CONTROL RANDOMLY (TWICE) HAS LOST SETTINGS & CONTROL. SETTING IT AT 60, CAR INCREASED SPEED TO 85, AND IGNORED CAR IN FRONT OF ME, ALMOST CAUSING A CRASH. LEXUS HAS NOT FOLLOWED UP WITH ME ON THIS. VOICE RECOGNITION OFTEN FUNCTIONS INCORRECTLY RESULTING IN DISTRACTED DRIVING, AND HAS ALMOST RESULTED IN ME DRIVING OUT OF MY LANE OR OFF THE ROAD SEVERAL TIMES. EXAMPLE: ASK IT FOR DIRECTIONS TO PALO ALTO MEDICAL FOUNDATION: RESULT; GIVES ME A LIST OF SOUTH AMERICAN RESTAURANTS. CONTACTED LEXUS ABOUT THIS. ONLY RESPONSE - TAKE IT T…
Owner-reported narrative. 5,600 miles reported. Look up ODI 10876275 at NHTSA ↗
Owner report 10939585 · 2017-01-04 (January 4, 2017)
TAKATA RECALL WHILE STOPPED AT RED LIGHT. MY CAR WAS HIT HEAD-ON BY ANOTHER VEHICLE. MY CAR WAS TOTALED. NO AIRBAGS DEPLOYED IN MY CAR. MYSELF AND MY DAUGHTER SEATED ON PAX SEAT WERE INJURED. I WAS THROWN INTO STEERING WHEEL WHICH RESULTED IN BROKEN STERNUM. POLICE WERE SURPRISED THE BAGS DID NOT DEPLOY. I CONTACTED LEXUS, THEY SAID ATTORNEYS WOULD DISCUSS IT WITH ME. I SAID I JUST WANTED THEM TO LOOK AT THE CAR AND EXPLAIN WHY THE BAGS DID NOT DEPLOY THIS WAS IN MID NOV. THEY SAID ENGINEERING WOULD GO LOOK AT AUTO. [XXX] ENGINEERING …
Owner-reported narrative. 52,000 miles reported. Look up ODI 10939585 at NHTSA ↗
Owner report 11405765 · 2021-03-31 (March 31, 2021)
TL* THE CONTACT OWNS A 2015 LEXUS RX350. THE CONTACT STATED WHILE DRIVING 70 MPH, THE VEHICLE LOSS MOTIVE POWER. THE VEHICLE WAS UNABLE TO BE RESTARTED. THE CONTACT STATED THAT THE POWER STEERING WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE WATER PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 133,000.
Owner-reported narrative. 133,000 miles reported. Look up ODI 11405765 at NHTSA ↗
Owner report 10891809 · 2016-07-30 (July 30, 2016)
TRANSMISSION UPSHIFT AND DOWNSHIFT TIMING IS WEIRD. PRESS ACCELERATOR TO GET MORE POWER TO PASS ANY VEHICLE ON THE ROAD AND TRANSMISSION VERY UNTIMELY UPSHIFT INTO HIGHER GEAR REDUCING THE POWER TO WHEELS. CREATES A DANGEROUS SITUATION SINCE LACK OF POWER REQUIRES PRESSING THE ACCELERATOR EVEN HARDER. ENGINE REACTS BY DOWNSHIFTING BUT POWER COMES TO WHEELS FEW SECONDS LATER AND OTHER CARS ON ROAD ALREADY CLOSE IN AND START HONKING.
Owner-reported narrative. 13,500 miles reported. Look up ODI 10891809 at NHTSA ↗