2018 TOYOTA HIGHLANDER PROBLEMS

Common Complaints and Reliability

• 1. Engine & Transmission Issues

  • Engine stalling unexpectedly while driving
    
  • Severe hesitation and jerking during acceleration
    
  • Unintended acceleration after cruise control malfunction
    
  • Engine RPM dropping too low when idling, causing rough running
    
  • Transmission shuddering when shifting gears
    
  • Oil leaks from engine vacuum pump
    

• 2. Braking & Stability Issues

  • Brakes losing power intermittently, making stopping difficult
    
  • Pre-collision braking system engaging randomly, causing sudden stops
    
  • Soft brake pedal, requiring multiple pumps to engage
    
  • Brake system recall for faulty vacuum pump
    
  • Vehicle rolling while in park, even with the parking brake engaged
    

• 3. Steering & Suspension Issues

  • Steering pulling to one side, even after multiple alignments
    
  • Lane departure assist engaging randomly, causing dangerous maneuvers
    
  • Clunking noises from suspension components
    

• 4. Electrical & Infotainment System Problems

  • Dashboard warning lights activating randomly
    
  • Infotainment system freezing or restarting mid-drive
    
  • Blind Spot Monitoring (BSM) failing to detect vehicles consistently
    
  • Bluetooth connectivity issues with certain phones
    
  • Battery draining unexpectedly, leaving vehicle stranded
    

• 5. Safety & Airbag Concerns

  • Airbags failing to deploy in major crashes
    
  • Seatbelt failures, including ripping apart under minimal stress
    
  • Pre-collision system (PCS) not activating as advertised
    

• 6. Structural & Visibility Issues

  • Sunroof spontaneously shattering while driving
    
  • Windshield cracking from minor impacts
    
  • Rear hatch glass exploding on its own
    
  • Headlights too dim, reducing visibility at night
    

• 7. Fuel System Problems

  • Fuel pump failures leading to sudden engine stalls
    
  • Fuel splashing back out of the filler neck when refueling
    
  • Fuel gauge providing inaccurate readings
    

• 8. Tire & Wheel Problems

  • Premature tire wear and sidewall cracking
    
  • Tire blowouts occurring without visible cause
    
  • Misaligned wheels despite multiple dealer adjustments