2020 Lexus GX460

Introduction

The 2020 Lexus GX460 is a 5-door, 7-passenger luxury SUV powered by a 4.6-liter V8 engine paired with a 6-speed automatic transmission. With 301 horsepower and 329 lb-ft of torque, the GX460 offers ample power and impressive towing capabilities. While praised for its rugged off-road abilities, spacious interior, and dependable performance, the GX460 has faced some reported issues.

Engine

4.6-Liter V8

• Intake manifold gasket failure: Leakage can occur due to gasket material deterioration, leading to oil leaks and engine performance issues. Solution: Replace intake manifold gasket. Estimated Cost to Fix: $500 - $800+
• Timing chain tensioner issues: Worn or faulty timing chain tensioners can lead to rattling noises and engine timing problems. Solution: Replace timing chain tensioner. Estimated Cost to Fix: $1,000 - $1,500+
• Fuel pump relay failure: A faulty fuel pump relay can interrupt fuel delivery, causing engine stalling or difficulty starting. Solution: Replace fuel pump relay. Estimated Cost to Fix: $200 - $300+

Transmission

6-Speed Automatic

• Transmission slipping or rough shifting: Worn or contaminated transmission fluid can lead to transmission slipping or harsh shifting during gear changes. Solution: Transmission fluid flush and/or replacement. Estimated Cost to Fix: $200 - $400+
• Torque converter shudder: Faulty torque converter can cause vibrations during acceleration or gear changes. Solution: Replace torque converter. Estimated Cost to Fix: $1,500 - $2,500+
• Transmission control module (TCM) issues: Electronic malfunctions in the TCM can lead to transmission performance issues, such as delayed shifting or limp mode operation. Solution: Replace TCM. Estimated Cost to Fix: $500 - $900+

Suspension

• Front upper control arm bushings: Worn or torn bushings can cause clunking noises and compromised handling. Solution: Replace upper control arm bushings. Estimated Cost to Fix: $400 - $600+
• Rear axle seals: Leaking axle seals can lead to loss of differential fluid and potential drive axle damage. Solution: Replace rear axle seals. Estimated Cost to Fix: $300 - $500+

Electrical

• Radio screen freezing: Malfunctioning software or hardware can cause the radio screen to freeze or become unresponsive. Solution: Update software or replace radio unit. Estimated Cost to Fix: $500 - $800+
• Climate control problems: Faulty actuators or control panel issues can lead to malfunctioning climate control systems. Solution: Diagnose and replace faulty components. Estimated Cost to Fix: $200 - $600+
• Battery draining: Faulty alternators or a parasitic drain can lead to battery depletion, causing difficulty starting the vehicle. Solution: Test and replace faulty components. Estimated Cost to Fix: $400 - $800+

Exterior

• Headlight condensation: Moisture accumulation within headlights can impair illumination. Solution: Replace headlights or seal condensation entry points. Estimated Cost to Fix: $500 - $1,000+
• Door handle corrosion: Exposure to moisture and salt can lead to corrosion on door handles, causing sticking or difficulty opening doors. Solution: Clean and lubricate or replace door handles. Estimated Cost to Fix: $200 - $400+
• Tailgate seal failure: Worn or damaged tailgate seals can allow water and dust to enter the cargo area. Solution: Replace tailgate seals. Estimated Cost to Fix: $100 - $200+

Interior

• Trim panel rattles: Loose or poorly fitted interior trim panels can produce rattling noises while driving. Solution: Reposition or secure trim panels. Estimated Cost to Fix: $100 - $300+
• Navigation system glitches: Software bugs or GPS antenna issues can lead to navigation system malfunctions or inaccurate directions. Solution: Update software or replace GPS antenna. Estimated Cost to Fix: $200 - $600+
• Seat heater issues: Faulty heating elements or wiring can lead to malfunctioning seat heaters. Solution: Diagnose and replace faulty components. Estimated Cost to Fix: $300 - $600+

Recalls

• NHTSA Recall Number: 20V-623 - Power liftgate may open or close unexpectedly
• NHTSA Recall Number: 20V-499 - Front seat belt buckle may not latch properly
• NHTSA Recall Number: 20V-302 - Instrument cluster may not display correct transmission gear position

Summary

The 2020 Lexus GX460 faces some reported issues, including engine gasket leaks, transmission problems, suspension component wear, electrical glitches, exterior corrosion, and interior rattles. While some issues can be resolved relatively inexpensively, others may require significant repairs. It’s important for owners to be aware of these potential problems and to address them promptly to maintain the vehicle’s performance and reliability.