AutoDefect IQ

2021 Lexus Nx problems, complaints & recalls

Most-reported problem areas: Visibility:rearview Mirrors/Devices:exterior (2) · Service Brakes (2) · Fuel/Propulsion System (2)

🧭 Reliability snapshot

100 /100
✓ Typical or better for this model

Compared against other Lexus Nx model years — complaint volume vs the model's median year, recalls and severity. How we score →

17
Complaints
0
Recalls
41
Service bulletins
1
Crashes reported
1
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (41)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Electrical System 2026-02-02 · L-SB-0057-22 Rev2 · Service Bulletin/Repair Instructions

obsolete notice february 2, 2026: this bulletin is now obsolete. please see l-sb-0004-26.

Electrical System 2026-01-23 · L-SB-0004-26 · Service Bulletin/Repair Instructions

some 2018 – 2025 model year lexus vehicles equipped with the enform™ 2.0 navigation system, require a special service tool (sst) usb flash drive to update the map, points of interest, and system software.

Structure:body 2025-12-15 · L-SB-0030-24 Rev2 · Service Bulletin/Repair Instructions

some 2005 – 2026 lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. follow the procedures in this bulletin to remediate the odor and address this condition. the purpose of this service bulletin is to provide general guidelines and procedures

Electrical System 2025-08-19 · L-TT-0326-23 Rev2 · Service Bulletin/Repair Instructions

some customers may experience operational difficulties with some telematics features which they cannot resolve on their own. these resources, in conjunction with the repair manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with oth

Electrical System 2025-06-13 · L-SB-0043-23 Rev1 · Service Bulletin/Repair Instructions

the air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. the procedures outlined in this service bulletin aid in locating, inspecting, and repairing refrigerant leaks.

Electrical System 2025-04-02 · L-TT-0341-25 · Service Bulletin/Repair Instructions

to assist with the early detection and early resolution of audio related concerns you may be asked to recover mmr data from the head unit. the following steps are instructions on how to retrieve the data from the system and are only to be used when requested by fts and/or fpe.

Showing the 6 most recent of 41 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-04-09 · Fuel/Propulsion System

“1. what component or system failed or malfunctioned, and is it available for inspection upon request? the high-pressure fuel pump and related fuel system sensor failed, resulting in a sudden loss of engine power. the failure was confirmed by diagnostic trouble codes retrieved by an independent mechanic. the vehicle is available for inspection upon…”

2026-04-08 · Fuel/Propulsion System

“my vehicle has slowed while driving four times within the last 12 months. i have taken it to the hendrick lexus dealership in charlotte as well as the scott clark toyota dealership in charlotte. i was told by the lexus dealership they could not find anything wrong (this was back in july 2025). the toyota dealership stated (march 2026) that there ma…”

2025-08-04 · Unknown Or Other

“vehicle began exhibiting multiple electrical safety issues around april 2025. emf (electromagnetic field) levels were measured and found to be excessively high, causing physical discomfort and triggering health concerns for my disabled son and me. we both sought medical attention. two independent mechanics inspected the vehicle and confirmed it sho…”

2025-04-06 · Service Brakes · 💥 crash

“coming down a steep, narrow, long driveway leading from a private home on a hill, and moving forward in low gear, i allege that the brakes failed. after 3-5 attempts at braking, we came off the cement driveway as we accelerated and slid off the side of the hill, turning over onto the driver's side of the car and coming to rest near a dropoff, hel…”

2025-03-24 · Traction Control System · 40,000 mi

“the contact owns a 2021 lexus nx300. the contact stated that while driving at various speeds, the vehicle slowly lost automotive power and decelerated. the contact pulled over to the shoulder of the roadway and restarted the vehicle to continue driving normally. the contact stated that the check engine, traction control, and service soon warning li…”

2025-02-15 · Air Bags

“the passenger airbag light is constantly on. when no one is sitting on the chair, the light states that the air bag is off and when someone is sitting in the chair, the airbag light states that it is on. i just purchased this used car a month ago from a toyota dealership. two weeks in with no accident whatsoever, the problem had occurred. i noticed…”

2024-10-25 · Visibility:sun/Moon Roof Assembly · 37,718 mi

“the contact owns a 2021 lexus nx300. the contact stated that while the vehicle was parked, his father heard the car alarm sounding off. the contact went to inspect the vehicle and saw that sunroof glass had shattered. the contact stated that he reviewed the home security footage and observed that the sunroof glass had not been impacted by an object…”

2024-10-10 · Visibility:rearview Mirrors/Devices:exterior

“the left-hand side outer rear-view mirror vibrates while driving causing safety hazard as it is difficult to clearly see cars behind, or potentially passing while the glass is shaking; yes it is risky; the lexus dealer in frederick co has confirmed the problem. there is currently a warning for other years with the same problem; this is a 2021 nx 30…”

2024-08-16 · Unknown Or Other

“my sunroof exploded outward while i was driving on the highway. it sounded like a gunshot and sent glass flying everywhere. there was no prior damage to the sunroof which is why i fully believe the materials- glass and frame were defective which led to the explosion …”

2024-08-03 · Visibility:rearview Mirrors/Devices:exterior

“as i was driving, , i suddenly heard a very loud noise. i didn’t know what it was till i was going to turn to look at the side view mirror of any cars or pedestrians passing. then only i realized it was my right view mirror that suddenly blew up.. i was lucky that it didn’t blew up in crosswalk where people were standing or waiting to cross because…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Lexus Nx years