2022 Lexus NX450H+

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.

The contact owns a 2022 Lexus NX450H+. The contact stated while in reverse and exiting her driveway at approximately 3 MPH, the vehicle came to an abrupt stop. The contact stated that the brake warning light was illuminated in red. Additionally, she had not depressed the brake pedal. The contact had taken the vehicle to a local dealer who diagnosed and determined that the failure could not be duplicated. The contact stated that the sudden braking failure recurred several times. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 1,000.

NHTSA ID

11468327

Incident

May 14, 2022

Mileage

1,000 mi

The Vehicle Has an alignment issue that was identified at 12 miles Odometer Reading for the this brand new car. Steering is off-center to the left and the car still drifts to the left on even roads after 3 attempts to fix the problem. When the Break Hold feature is on, the vehicle locks the breaks while it is in motion about 25-35 mph. Also, the VSC off light comes and goes on its own along with the traction control off warning message.

NHTSA ID

11461042

Incident

Mar 18, 2022

TSB: Some 2022 ? 2023 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles may exhibit a condition in which the left-hand side outer rear-view mirror vibrates during vehicle operation. The mirror vibration can be observed while driving at speeds of 35 mph (56 km/h) or above. Follow the Repair Procedure in this bulletin to address this condition.

TT: When setting up the Lexus Interface (21MM) user profile, if the QR code is not working please use the following recommendations

TSB: A head unit software update is now available for 2022 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1020 or earlier). This update provides improved performance and capability for the following: ?User profile configuration and display. ?Cloud Navigation and Intelligent Voice Assistant. ?Mobile device connectivity. ?On-screen display and system settings/configuration. ?Security enhancements. A head unit software update is now available for 2022 LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles; and 2023 ES 250, ES 300h, ES 350 and UX 250h vehicles equipped with Lexus Multimedia (earlier than version 1040). This software update includes the following improvements: ?Cloud navigation. ?Intelligent assistant voice recognition. ?Showing and controlling explicit audio content. ?User interface. ?Bluetooth. ?Bug fixes. The software update removes the following feature: ?Hybrid radio. Vehicle operators can perform this update directly by accepting the on-screen notification, advising the software update is available, or by locating the software update from the Settings menu and initiating the available update. The release notes text below will be displayed to the customer: ?This software update includes the following improvements: Cloud navigation, Intelligent assistant voice recognition, Showing and controlling explicit audio content, User interface, Bluetooth, Bug fixes. It removes the following feature: Hybrid radio.? If it is necessary to perform the software update for a customer, follow the software update procedures in this bulletin. This is a phased rollout, which means that as time progresses, more vehicles will receive the update notification and ability to update the head unit. This timing will vary by location and may not display for every vehicle in one location at the same day/time.

TSB: Some 2022 ? 2023 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) is replaced. Techstream software has been modified to indicate when configuration software is required. A new Configure column has been added to the Techstream Health Check Results screen to show when configuration software is available for a specific ECU. Follow the Operation Procedure in this bulletin to complete the ECU Software Configure Process.

TSB: Some 2022 model year NX 450h+ vehicles equipped with a 6.6 kW electric vehicle charger sub-assembly may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?P0D2A19 ? Hybrid/EV Battery Charger Input Current Sensor Circuit Current Above Threshold ?P1C1B00 ? PFC Boosting Circuit Malfunction The vehicle may also exhibit an inoperative onboard plug-in charger. Follow the Repair Procedure in this bulletin to address this condition.

TSB: Some 2022 ? 2023 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles may exhibit a condition in which the left-hand side outer rear-view mirror vibrates during vehicle operation. The mirror vibration can be observed while driving at speeds of 35 mph (56 km/h) or above. Follow the Repair Procedure in this bulletin to address this condition.