2023 Lexus NX 250 Service and Repair Manual

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2023 Lexus NX 250 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • AWD
  • FWD

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams
No active recalls The 2023 Lexus NX 250 has no recalls on file with NHTSA.
No service bulletins No technical service bulletins on file with NHTSA for the 2023 Lexus NX 250.
01/18/20Component: AIR BAGSCrash reported1 injured

Airbags failed to deploy during a crash where lexus was hit on driver's side. We got an alert that they malfunctioned. During inspection, the wire for the airbags was pulled which would indicate deployment. Car was totaled.

09/10/20Component: UNKNOWN OR OTHER

Two year old 22500 miles. Driving down the highway doing around 75 and my sunroof blew up. Just exploded. Nothing hit it, temperature was around 70 degrees. Was about 10 miles into my morning commute. Nothing could have caused this. No impacts, no odd temperature fluctuations. Just a glass failure.

09/04/20Component: ELECTRICAL SYSTEM,LATCHES/LOCKS/LINKAGES

On [XXX] my Lexus would not start properly and then I heard noises which were associated with the battery closing down. This included locking all the doors. I was trapped in the car for 50-60 minutes until a repair person unlocked the door. This is a safety issue because the temperature where I live (las Vegas) is over 100 degrees months of the year. According to other Lexus owners, mine was a somewhat common experience. Some people have had the battery fail while driving. A recall to fix the problem is needed. When I contacted both corporate Lexus and my dealer they played dumb and told

03/04/20Component: STRUCTURE

The driver's side front wiper blade is not securely attached and lifts off the glass during the drying stage of automatic car washes. Once lifted, it stays in the upright position and must be manually lowered. To prevent this from happening, the wiper blade needs to be taped down. On February 25, 2025, a maintenance technician at Jim Hudson Lexus in Columbia, SC, inspected the wiper and confirmed that the wiper spring is functioning as designed with no defects. The technician explained that the wiper can lift due to the strong wind force from the car wash blower dryer. However, the service adv

03/04/20Component: EXTERIOR LIGHTING

The automatic headlights have a significant delay before turning on when entering a dimly lit parking garage. I have adjusted various car customization settings, but the delay persists. On February 25, 2025, a maintenance technician at Jim Hudson Lexus in Columbia, SC, inspected the issue and confirmed that the headlight sensor is set to the highest sensitivity. The headlights typically take about 15 seconds to activate. Count 15 seconds that is a long time.

03/04/20Component: STRUCTURE

There is an ongoing noise issue where I hear a vibration or buzzing sound coming from the headliner or sunroof area while driving at various speeds, especially on uneven pavement. I have reported this concern previously, but the technician was unable to find the cause. On February 25, 2025, a maintenance technician at Jim Hudson Lexus in Columbia, SC, inspected the issue and confirmed an excessive rattle coming from the headliner around the sunroof panel and buttons. The technician noted that part of the internal headliner near the front dome lights is not secured properly, unlike the rest of

02/03/20Component: POWER TRAIN

I drive an NX250 and recently took it to a conveyor-style car wash, where you position your front tire in a groove, shift into Neutral, and let the system move the car through. Upon exiting, I experienced an issue where I couldn’t shift directly from Neutral to Drive. Instead, I had to first shift into Park before I could engage Drive. This was especially concerning because I was worried that the car behind me might not have enough time to stop, potentially leading to a rear-end collision. Difficulty shifting from Neutral to Drive after a car wash is a common complaint, especially with newer v

07/29/20Component: UNKNOWN OR OTHER

On July 19 2024 driving home from work the sunroof glass exploded, nothing hit the glass from inside or outside, one can see the glass bowing upwards. I drove to dealership the same day and contacted Lexus corporate. A week later they inform me it is not covered under warranty and I should submit an insurance claim.

Showing the 8 most serious of 13 complaints filed with NHTSA.

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