2020 TOYOTA 4RUNNER PROBLEMS

Common Complaints and Reliability

• 1. Brake Issues:

  • Brakes are not functioning properly, pedal goes to the floor before engaging brakes
    
  • Brake pedal hissing sound and electronic noise
    
  • Braking alert flashing and chirping with no obstacle
    
  • Sunroof hit by a mango and shattered, causing potential safety hazard
    
  • Brake pedal goes to the floor while slowing down, requiring pumping to regain pressure
    

• 2. Suspension/Handling Issues:

  • X-REAS suspension system failure leading to instability
    
  • Steering wheel shakes at highway speeds
    
  • Vehicle shakes at various speeds, potentially causing premature wear
    

• 3. Airbag/Restraint System Issues:

  • Airbags failed to deploy in a collision
    
  • Front passenger airbag deactivated for passengers under 100 lbs
    
  • Front driver airbag did not deploy in a crash
    

• 4. Other Issues:

  • SOS system fails to connect properly
    
  • Differential dashboard light does not change colors
    
  • Exhaust or sulfur smell in cabin during hard acceleration
    
  • Rusting frame on the vehicle
    
  • Loud squeal from brakes under cold conditions, no official TSB found.