2015 Lexus LS600h

The 2015 Lexus LS600h is a luxury hybrid sedan known for its smooth ride, comfortable interior, and advanced technology. This model boasts a 5.0L V8 engine paired with an electric motor, delivering a combined 438 horsepower and all-wheel drive. While many appreciate the LS600h for its quiet operation and opulent features, some common complaints revolve around the complexities of the hybrid system, the cost of maintenance, and some specific electrical and interior issues. Compared to a standard ICE vehicle, the hybrid system is a bit more complicated and could cause headaches when trying to find the cause of the issues, however Lexus has an excellent reputation for reliability so these issues are not extremely prevalent.

Electric Motor

• Hybrid Battery Degradation
  • Description/Symptoms: Gradual loss of battery capacity, reduced fuel economy, decreased electric motor assistance, and potential “Check Hybrid System” warning light.
  • Solution: Hybrid battery replacement or reconditioning.
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found
• Inverter Failure
  • Description/Symptoms: Loss of power, hybrid system malfunction light, potential inability to start the vehicle.
  • Solution: Inverter replacement.
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: Vehicle sitting lower than normal, suspension warning lights, noisy compressor operation.
  • Solution: Replacement of the air suspension compressor.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found
• Air Strut Leaks
  • Description/Symptoms: Vehicle leaning to one side, bouncy ride, suspension warning lights.
  • Solution: Replacement of the leaking air strut(s).
  • Estimated Cost to Fix: $1,500 - $3,000+ per strut
  • Recalls: None Found

Electrical

• Navigation System/Infotainment Issues
  • Description/Symptoms: Freezing, slow response times, inability to update maps, screen malfunctions.
  • Solution: Software updates, replacement of the navigation unit.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found
• Parking Assist Sensor Malfunctions
  • Description/Symptoms: False alarms, failure to detect objects, error messages.
  • Solution: Replacement of faulty parking assist sensors.
  • Estimated Cost to Fix: $200 - $500+ per sensor
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Dead battery, car will not start, requires frequent jump starts
  • Solution: Test the vehicle for parasitic draw and repair the source.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracking of the dashboard, particularly in warmer climates.
  • Solution: Replacement of the dashboard or installation of a dashboard cover.
  • Estimated Cost to Fix: $1,500 - $3,000+ (dashboard replacement)
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof may get stuck, motor failures, or leaks
  • Solution: Replacement of the sunroof motor or weatherstripping.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Exterior

• Automatic High Beam Malfunctions
  • Description/Symptoms: The Automatic High Beam feature does not activate or deactivates when it should not.
  • Solution: Recalibrate the system or replace the sensor if it is malfunctioning
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Summary

The 2015 Lexus LS600h, while generally reliable, can experience issues related to its complex hybrid system and some electrical components. Battery degradation and inverter failures are the most significant concerns, potentially incurring substantial repair costs. Suspension and infotainment issues can also contribute to overall ownership expenses. Potential buyers should be aware of these common problems and have the vehicle thoroughly inspected by a qualified mechanic, particularly focusing on the hybrid system’s health. While these issues can be costly, it is important to note that not every vehicle will experience these problems, and a well-maintained LS600h can provide many years of comfortable and luxurious driving.