If you have a single door causing you problems it is likely a bad actuator motor.
Toyota highlander door lock problem.
If the door lock relay has any internal or wiring issues it can cause the door locks to function intermittently.
If it does use a smart key system all vehicle doors must be closed and the engine start stop switch must be in the ignition on position.
If there is no smart key system then all the doors must be closed and the engine switch must be in the on position.
The 2017 toyota highlander has 140 problems defects reported by highlander owners.
Video tutorial discussing symptoms of power door locks on toyota is not working right and how to check for easy fixes and replace a door lock actuator if nec.
This sound indicates the motor is going bad.
2014 and later toyota camrys.
The actuator motor powers the entire door locking mechanism.
One of the first symptoms of a possible problem with the door lock relay are door locks that function intermittently.
If you notice that your door locks are having issues locking and unlocking or you are unable to get the doors to lock or unlock electronically then chances are there is an issue with the door lock actuator for toyota highlander.
Also please check out the statistics and reliability analysis of toyota highlander based on all problems reported for the highlander.
The door locks may function correctly one moment and in the next will cease to operate.
2014 and later toyota rav4s.
Toyota door lock actuator class action lawsuit investigation the auto defect attorneys at gibbs law group and isaac wiles burkholder teeter are investigating reports that various toyota models including the highlander rav 4 tundra and camry may have defective door lock actuators.
2014 and later toyota tundras.
2014 and later toyota highlanders.
Determine if the toyota highlander model uses a smart key system or not.
Once this wears out you have to use a key to lock and unlock your doors.
The worst complaints are body paint transmission and accessories interior problems.
Chances are if this is your problem you have heard a buzzing sound recently.