2009 Lexus LS600h

The 2009 Lexus LS 600h is a luxury hybrid sedan, offering a unique blend of performance and fuel efficiency for its time. It’s powered by a 5.0L 2UR-FSE V8 engine paired with an electric motor, producing a combined 438 horsepower. The LS 600h only came with an electronically controlled Continuously Variable Transmission (ECVT). The LS600h is praised for its comfortable ride, quiet cabin, and advanced technology features for the time. Some common criticisms include the higher price tag compared to non-hybrid luxury sedans and the added complexity of the hybrid system potentially leading to more costly repairs.

Electric Motor

No Issues Found

Transmission

Electronically Controlled Continuously Variable Transmission (ECVT)

• Transmission Whining Noise
  • Description/Symptoms: A noticeable whining noise emanating from the transmission, particularly during acceleration or deceleration. The sound might be more pronounced at certain speeds.
  • Solution: Replacement of the transmission unit.
  • Estimated Cost to Fix: $5,000 - $8,000+

Suspension

• Air Suspension Failure
  • Description/Symptoms: The air suspension system may fail, causing the vehicle to sag on one or more corners. Error messages related to the suspension system may appear on the dashboard. The car’s ride height may be uneven or the suspension may be completely deflated.
  • Solution: Diagnosis by a qualified technician is necessary to pinpoint the faulty component (air struts, compressor, height sensors, etc.). Replacement of the failed component(s) is required.
  • Estimated Cost to Fix: $1,000 - $3,000+ per strut depending on the component and labor.
  • Recalls: None Found

Electrical

• Hybrid Battery Failure
  • Description/Symptoms: Reduced fuel economy, decreased acceleration performance, warning lights on the dashboard related to the hybrid system (e.g., “Check Hybrid System,” “Hybrid Battery Low”), and eventual inability to start the vehicle.
  • Solution: Replacement of the hybrid battery pack.
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found
• Navigation System/Display Issues
  • Description/Symptoms: The navigation screen may freeze, become unresponsive, or display incorrect information. The entire infotainment system may become inoperable.
  • Solution: A software update may temporarily fix the issue. However, a replacement of the navigation unit or the display screen may be needed.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the solution.
  • Recalls: None Found
• Headlight Malfunction
  • Description/Symptoms: Headlights flickering, dimming, or failing completely. This can be related to faulty ballasts or bulbs.
  • Solution: Replacing the affected bulbs or ballasts.
  • Estimated Cost to Fix: $200-$800+ depending on the type of headlight and if the ballast needs replaced.
  • Recalls: None Found

Exterior

• Automatic Trunk/Liftgate Malfunction
  • Description/Symptoms: The automatic trunk/liftgate may fail to open or close properly, or it may only open/close partially. The motor might be weak or unresponsive.
  • Solution: Diagnosis to identify the faulty component (motor, struts, sensors, latch). Replacement of the failed component(s).
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracking and splitting of the dashboard material, typically in areas exposed to direct sunlight.
  • Solution: Dashboard replacement.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: The door lock actuator may fail causing the door to not lock or unlock when pressing the key fob button or manually using the internal lock button.
  • Solution: Replacing the door lock actuator
  • Estimated Cost to Fix: $200-$500+
  • Recalls: None Found

Summary

The 2009 Lexus LS 600h, while offering luxury and hybrid technology, has some potential issues that owners should be aware of. The most serious and costly problems often relate to the hybrid battery and air suspension system, potentially leading to thousands of dollars in repairs. Other electrical and interior issues can also add to the ownership cost. Potential buyers should have a qualified mechanic inspect the vehicle, paying particular attention to the hybrid system, suspension, and electrical components, before making a purchase.