2023 Lexus NX350h

The 2023 Lexus NX350h is a popular luxury hybrid SUV offering a blend of fuel efficiency, comfort, and Lexus reliability. It is a version of the NX lineup that comes with different engine and transmission options. The NX250 is the base model. The NX350 features a more powerful turbocharged engine. The NX450h+ is a plug-in hybrid. The NX350h is powered by a 2.5-liter inline-4 engine paired with Lexus’s hybrid drive system, producing a combined 240 horsepower. Fuel economy is a major selling point. Some owners praise the vehicle’s quiet and comfortable ride. Other common likes are the luxurious interior, and comprehensive safety features. Common dislikes include the somewhat complicated infotainment system and smaller cargo space compared to some competitors.

Electric Motor

2.5-Liter Inline-4 Hybrid

• Hybrid System Malfunction/Failure
  • Description/Symptoms: The hybrid system may experience a complete failure, resulting in the vehicle being unable to start or move. Warning lights related to the hybrid system illuminate on the dashboard. Reduced power or erratic behavior may also be present.
  • Solution: The hybrid system components such as the hybrid control module, transaxle, or battery may need to be replaced by a qualified technician at a Lexus dealership.
  • Estimated Cost to Fix: $4,000 - $8,000+ (depending on the affected component)
  • Recalls: None Found

Transmission

Electronic Continuously Variable Transmission (ECVT)

• Transmission Hesitation/Jerking
  • Description/Symptoms: Some owners have reported experiencing hesitation or jerky movements during acceleration, especially at lower speeds. This can be more noticeable when transitioning between electric and gasoline power.
  • Solution: Software updates to the transmission control module (TCM) may resolve the issue. In some cases, a transmission fluid flush or replacement may be recommended.
  • Estimated Cost to Fix: $100 - $300 (software update); $200 - $400 (fluid change)
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The infotainment system can freeze, crash, or become unresponsive. This may include issues with the touchscreen, navigation, audio, and other connected features.
  • Solution: A software update or a complete system reset may resolve the issue. In some cases, hardware replacement may be necessary.
  • Estimated Cost to Fix: $0 (software update); $500 - $1,500+ (hardware replacement)
  • Recalls: None Found
• Wireless Charger Malfunction
  • Description/Symptoms: Some users have experienced issues with the wireless charging pad, where it fails to consistently charge devices or overheats.
  • Solution: Resetting the charging pad or replacing it with an updated version might fix the issue. Checking the compatibility of the device with the charging pad is also recommended.
  • Estimated Cost to Fix: $200 - $500 (replacement)
  • Recalls: None Found
• Bluetooth Connectivity Issues
  • Description/Symptoms: Difficulties pairing devices, dropped connections, or inability to transfer calls or media.
  • Solution: Updating the infotainment system software. Replacing the bluetooth module if it’s faulty.
  • Estimated Cost to Fix: $0 (software update), $300 - $600 (module replacement)
  • Recalls: None Found

Interior

• Rattling Noises
  • Description/Symptoms: Owners have reported rattling noises emanating from various areas within the interior, such as the dashboard, door panels, or rear cargo area.
  • Solution: Identifying the source of the rattle and tightening or replacing the affected components.
  • Estimated Cost to Fix: $100 - $500+ (depending on the complexity of the repair)
  • Recalls: None Found
• Poor Voice Recognition
  • Description/Symptoms: The voice command system frequently misunderstands commands or fails to recognize spoken instructions.
  • Solution: Updating the infotainment system software.
  • Estimated Cost to Fix: $0 (software update)
  • Recalls: None Found

Exterior

• Automatic High Beam Issues
  • Description/Symptoms: Automatic high beams may not activate when needed, or may flicker or improperly dim.
  • Solution: Recalibrating the sensor or replacing the headlight module.
  • Estimated Cost to Fix: $100 - $500 (depending on the fix)
  • Recalls: None Found

Summary

The 2023 Lexus NX350h generally exhibits a range of issues. Electrical problems like the infotainment system freezing or wireless charger malfunctions, and interior rattles are the most commonly reported issues. While some fixes are simple and inexpensive, others, such as hybrid system failures, can be very costly. The hybrid system and transmission issues appear to be the most concerning in terms of both severity and potential repair costs.