The lock problem does not appear to be a manufacturing defect says toyota spokesman brian lyons but is blamed on commercially available lubricants used on switches after the vehicles left.
Toyota tundra door lock actuator recall.
Drivers report that the door locks appear to engage when locking using the remote key fob but the locks do not actually engage.
Toyota door lock actuator class action lawsuit investigation.
This is the motor that controls the locking rod.
Quite often you will notice a buzzing sound from the door when you the locks are engaged.
2014 tundra with 28k miles on it had two power lock actuators fail within one month.
Luckily the vehicle was still under warranty.
Toyota offered to pay for parts if i paid labor not a bad deal since part was 350 but i really dont like to let flat rate techs work on my vehicles i am a flat rate tech myself.
So i went online did a little research found that all that goes bad is little motor inside actuator got 4 of.
My drivers door lock actuator went bad 2 weeks after 3 years at 39 000 miles dealer said no warranty.
When a single door won t work any longer it is most likely a bad actuator motor inside the door.