2024 Lexus TX350

The 2024 Lexus TX350 is a brand-new mid-size SUV offering from Lexus, positioned as a more spacious and family-friendly option. The TX350 is powered by a 2.4-liter turbocharged inline-4 engine producing 275 horsepower and 317 lb-ft of torque, paired with an 8-speed automatic transmission. Other engine options include a hybrid TX500h and a plug-in hybrid TX550h+. The TX is praised for its comfortable ride, luxurious interior, and ample cargo space. However, some common complaints revolve around the infotainment system’s complexity and the perceived lack of responsiveness in certain driving situations. Because this is a new vehicle, long term reliability issues will not be available yet.

Engine

2.4L Turbocharged Inline-4

• Engine Misfires
  • Description/Symptoms: Engine misfires, rough idling, check engine light illuminated. Some owners have reported this occurring at relatively low mileage.
  • Solution: Diagnosis by a qualified technician to determine the root cause. Possible causes include faulty spark plugs, ignition coils, or fuel injectors.
  • Estimated Cost to Fix: $100 - $500+ depending on the cause
  • Recalls: None Found

Transmission

8-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Some owners have noted harsh or jerky shifts, especially during low-speed driving or when transitioning between gears.
  • Solution: Some cases have been resolved by software updates and/or reflashing the transmission control module (TCM).
  • Estimated Cost to Fix: $0 if a software update is covered under warranty; $100-$300 for diagnostic and software updates if not covered.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Lagging
  • Description/Symptoms: The infotainment system can freeze, become unresponsive, or lag, making it difficult to control various vehicle functions.
  • Solution: Try restarting the system. In some cases, a software update from the dealership is needed.
  • Estimated Cost to Fix: $0 if the software update is covered under warranty; $50 - $200 for diagnostics and software updates if not covered.
  • Recalls: None Found
• Driver Assist System Malfunctions
  • Description/Symptoms: Problems with the lane keep assist, adaptive cruise control, or blind spot monitoring.
  • Solution: The sensors may need to be recalibrated or parts replaced.
  • Estimated Cost to Fix: $200 - $1000 depending on which sensors/parts need replacing.
  • Recalls: None Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Rattling or squeaking noises emanating from various interior components, such as the dashboard, door panels, or seats.
  • Solution: Locate the source of the noise and apply felt tape or foam padding to dampen vibrations. Dealership investigation and repair may be necessary in some cases.
  • Estimated Cost to Fix: $0 - $100+ DIY, $100 - $500+ at the dealership.
  • Recalls: None Found

Exterior

• Automatic Liftgate Malfunctions
  • Description/Symptoms: The automatic liftgate may fail to open or close properly, or it may become stuck in a certain position.
  • Solution: Check the liftgate struts and sensors. Recalibration or replacement of faulty components may be required.
  • Estimated Cost to Fix: $100 - $600+ depending on parts and labor.
  • Recalls: None Found

Summary

The 2024 Lexus TX350, being a new model, is experiencing some initial issues. The most frequently reported problems involve the infotainment system’s responsiveness and occasional engine misfires and transmission issues. Interior rattling and liftgate malfunctions are also occurring. The severity of these issues varies, but the infotainment and driver assist system malfunctions and mechanical issues are the most concerning due to their potential impact on driving safety and convenience. Repair costs can range from minimal for minor fixes to several hundred dollars for more complex repairs. As the vehicle is relatively new, more long term reliability issues may surface as the TX350 is driven more.