2020 Lexus LS500h

Introduction

The 2020 Lexus LS500h is a luxury sedan powered by a 3.5-liter V6 engine mated to a 10-speed automatic transmission. The hybrid system consists of two electric motors and a nickel-metal hydride battery. The LS500h is praised for its smooth and responsive powertrain, comfortable interior, and advanced safety features. However, it also has some drawbacks, such as a cramped rear seat and a lack of engaging driving dynamics.

Engine

• 3.5-liter V6
  • Stuck EGR Valve
    • Description/Symptoms: The EGR valve gets stuck in the open or closed position, leading to reduced engine performance, increased emissions, and potential stalling.
    • Solution: Replace the EGR valve.
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
  • Oil Pump Failure
    • Description/Symptoms: The oil pump fails to deliver sufficient oil pressure, leading to engine damage if not addressed promptly. Symptoms include low oil pressure warning lights, excessive engine noise, and reduced engine performance.
    • Solution: Replace the oil pump and any damaged engine components.
    • Estimated Cost to Fix: $5,000 - $10,000+
    • Recalls: None Found

Transmission

• 10-Speed Automatic
  • Shifting Hesitations
    • Description/Symptoms: The transmission hesitates or stutters during gear changes, especially when shifting from low to high gears.
    • Solution: Update the transmission control module (TCM) software or replace the transmission fluid and filter.
    • Estimated Cost to Fix: $100 - $500
    • Recalls: None Found
  • Transmission Slipping
    • Description/Symptoms: The transmission slips between gears, resulting in loss of power and reduced driveability.
    • Solution: Rebuild or replace the transmission.
    • Estimated Cost to Fix: $3,000 - $5,000+
    • Recalls: None Found

Suspension

• Air Suspension
  • Air Strut Leaks
    • Description/Symptoms: The air struts leak air, causing the vehicle to sag or bounce excessively.
    • Solution: Replace the faulty air strut(s).
    • Estimated Cost to Fix: $1,500 - $2,500+ per strut
    • Recalls: None Found

Electrical

• Battery Issues
  • Premature Battery Failure
    • Description/Symptoms: The 12-volt battery fails prematurely, often within the first few years of ownership. Symptoms include difficulty starting the vehicle, electrical system malfunctions, and warning lights.
    • Solution: Replace the battery.
    • Estimated Cost to Fix: $200 - $500
    • Recalls: None Found

Exterior

• Moonroof Issues
  • Stuck Moonroof
    • Description/Symptoms: The moonroof fails to open or close properly, or it gets stuck in an open position.
    • Solution: Lubricate or replace the moonroof motor or tracks.
    • Estimated Cost to Fix: $500 - $1,500
    • Recalls: None Found

Interior

• Infotainment System
  • Glitching or Freezing
    • Description/Symptoms: The infotainment system experiences glitches, freezes, or displays incorrect information.
    • Solution: Update the software or replace the infotainment unit.
    • Estimated Cost to Fix: $500 - $2,000+
    • Recalls: None Found
• Navigation Issues
  • Inaccurate or Outdated Maps
    • Description/Symptoms: The navigation system provides inaccurate directions or uses outdated maps.
    • Solution: Update the navigation system software.
    • Estimated Cost to Fix: $100 - $300
    • Recalls: None Found

Summary

The Lexus LS500h is a reliable and luxurious sedan, but it is not without its issues. The most common problems reported by owners involve the engine, transmission, suspension, and electrical systems. While some of these issues can be minor and inexpensive to fix, others can be more severe and require costly repairs. Overall, the severity and cost of the issues vary, and most are not widespread. It is important to note that individual experiences may vary, and many owners have had a positive experience with the LS500h.