If you had a bad relay none of the door locks would work most likely you have either a master switch problem or a actuator problem.
2010 highlander door lock problem.
Dash alarms go off door chimes dome light comes on headlights will not shut off automatically remote will not lock doors and this will drain the battery if the car sits for more than 3 days.
Highlanders are well documented on actuator problems doubtful it would be the control unit since the drivers doors work correctly the power and grounds for all 4 doors go thru master switch switch.
Power door locks that do not function are another common symptom for a problem with the door lock relay.
Average repair cost is 600 at 86 350 miles.
One problem related to power door locks not working has been reported for the 2010 toyota highlander.
The most recently reported issues are listed below.
The remote and the power door lock switches on the doors are behaving the same they can unlock but won t lock.
Could only unlock with key or by crawling over passenger seat.
If the power door lock relay fails it will cut off power to the entire power door lock system and may cause them to not function correctly.
My 2010 highlander has a fault in the rear door rear glass sensor that says it is open when it is not.
The 2010 toyota highlander has 3 problems reported for door locks not functioning.
Power door locks not working problem of the 2010 toyota highlander 3 failure date.
If you have more than one door causing the problem you probably either have a bad fuse and or relay.
Power door locks not working problems of the 2010 toyota highlander.
Replace that fuse with a new one.
Door locks not functioning 2010 highlander average cost to fix.
The only way to lock the four doors is manually.
Door closes chime stays on 2010 highlander average cost to fix.
All doors multiple doors fail to lock unlock.
Car complaints car problems and defect.
We have a 2012 highlander hybrid and it s got the exact same symptoms right down to every little detail.
The fuse is an easy swap the relay is not.
01 10 2014 driver door lock quick working.
Looking at the box you will see a fuse marked for the doors.
For vehicles equipped with door lock cylinders the door can still be opened using the key.