RoadVitals

2020 Lexus Ux Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
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Latest Apr 29, 2026
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
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Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
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What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2020 Lexus Ux, 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

  • Brakes233.3%
  • Driver assistance116.7%
  • Electrical116.7%
  • Powertrain (other)116.7%
  • Visibility116.7%

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

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

2
reports

From owner reports, verbatim

I am [XXX] old, have been driving since I was 16, and until this incident, have never been in an accident. On [XXX], I was parallel parking in my friend's quiet suburban neighborhood, as we do yoga together every Sunday morning. I reversed into the space. Then I wanted to pull forward slightly to straighten out my vehicle. As I shifted into drive, I recall hearing the engine rev. My foot was on the brake but the car lurched forward at about 25 mph and rammed into the car parked in front of me, crunching his rear tail light and bumper and damaging the front of the passenger side of my vehicle. As soon as my car hit the car in front of me, it stopped. My foot was on the brake during the entire incident. Lexus is supposed to finish their 45 day investigation soon. But they did not seem concerned that I am still driving this vehicle. I am worried it could happen again and this time could be far worse. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID 11634920 · filed Jan 8, 2025

What component or system failed or malfunctioned, and is it available for inspection upon request? My Lexus 2020 UX200's brake malfunctioned and caused a crash accident into a restaurant on February 29th. It was inspected by Lexus Liability and an independent mechanic on March 13th, 2024. How was your safety or the safety of others put at risk? The accident is a horrible experience for me go through when the Lexus failed to stop without fault on my part. It put myself and people in the restaurant in great risk of serious injuries. Has the problem been reproduced or confirmed by a dealer or independent service center? The independent mechanic my husband and I hired conducted assessment and confirmed that the accident was caused by brake module malfunction. The Lexus freeze data shows Brake module voltage from ecu appears to have dropped to 8.6 volts prior to accident which caused the brake module malfunction. At the time of inspection, the voltage was 13.8. It appears that the voltage drops intermittently. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? Manufacturer Lexus inspected the car on March 13th under product liability Case #240301000412. There is a police report. Insurance AAA totaled the car without inspecting the braking system. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? The car was originally purchased as a brand new car in 2020 and regularly maintained by Lexus dealer. But the engine did not start one time with warning sign that the remote key can not be detected. Dealer replaced the car battery for this problem. There were times when the doors do not open for a few minutes. There were a few times that it seemed that the car did not come to a complete stop. There are many times that the car would jerk a bit and come to a sudden stop on its own when the car was driven normally and safely.

NHTSA ID 11579007 · filed Mar 23, 2024

Too few reports in this category for a page of its own — they appear in the full complaint list.

Driver assistance

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.

1
report

From owner reports, verbatim

I am [XXX] old, have been driving since I was 16, and until this incident, have never been in an accident. On [XXX], I was parallel parking in my friend's quiet suburban neighborhood, as we do yoga together every Sunday morning. I reversed into the space. Then I wanted to pull forward slightly to straighten out my vehicle. As I shifted into drive, I recall hearing the engine rev. My foot was on the brake but the car lurched forward at about 25 mph and rammed into the car parked in front of me, crunching his rear tail light and bumper and damaging the front of the passenger side of my vehicle. As soon as my car hit the car in front of me, it stopped. My foot was on the brake during the entire incident. Lexus is supposed to finish their 45 day investigation soon. But they did not seem concerned that I am still driving this vehicle. I am worried it could happen again and this time could be far worse. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID 11634920 · filed Jan 8, 2025

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.

1
report

From owner reports, verbatim

What component or system failed or malfunctioned, and is it available for inspection upon request? My Lexus 2020 UX200's brake malfunctioned and caused a crash accident into a restaurant on February 29th. It was inspected by Lexus Liability and an independent mechanic on March 13th, 2024. How was your safety or the safety of others put at risk? The accident is a horrible experience for me go through when the Lexus failed to stop without fault on my part. It put myself and people in the restaurant in great risk of serious injuries. Has the problem been reproduced or confirmed by a dealer or independent service center? The independent mechanic my husband and I hired conducted assessment and confirmed that the accident was caused by brake module malfunction. The Lexus freeze data shows Brake module voltage from ecu appears to have dropped to 8.6 volts prior to accident which caused the brake module malfunction. At the time of inspection, the voltage was 13.8. It appears that the voltage drops intermittently. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? Manufacturer Lexus inspected the car on March 13th under product liability Case #240301000412. There is a police report. Insurance AAA totaled the car without inspecting the braking system. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? The car was originally purchased as a brand new car in 2020 and regularly maintained by Lexus dealer. But the engine did not start one time with warning sign that the remote key can not be detected. Dealer replaced the car battery for this problem. There were times when the doors do not open for a few minutes. There were a few times that it seemed that the car did not come to a complete stop. There are many times that the car would jerk a bit and come to a sudden stop on its own when the car was driven normally and safely.

NHTSA ID 11579007 · filed Mar 23, 2024

Too few reports in this category for a page of its own — they appear in the full complaint list.

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

1
report

From owner reports, verbatim

The contact owns a 2022 Lexus UX200. The contact stated that the check engine warning light was illuminated. While driving approximately 30 MPH, the vehicle stalled. While accelerating from a stop, the vehicle stalled. The contact stated that the transmission was slipping while driving at various speeds. The driver restarted the vehicle, waited an hour, and the vehicle restarted. The contact stated that the warning light disappeared. The vehicle was taken to the local dealer, who was unable to duplicate the failure. The vehicle was not diagnosed or repaired. The vehicle was taken to an independent mechanic, who informed her about a transmission code and that the vehicle was stuck in the off position. The vehicle was taken to the local dealer, who informed the contact about the DTC codes that were found. The mechanic diagnosed the vehicle and located debris in the transmission and recommended that the transmission be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and offered assistance for the repair. The approximate failure mileage was 107, 000.

NHTSA ID 11561857 · filed Dec 26, 2023

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.

1
report

From owner reports, verbatim

The contact owns a 2020 Lexus UX 250H. The contact stated that while driving approximately 40-50 MPH, the sunroof shattered without impact. The vehicle was taken to the dealer, where it was diagnosed with a spontaneous tempered glass failure. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 50,370.

NHTSA ID 11734568 · filed Apr 29, 2026

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

Data on this page last refreshed .