Problem: The customer stated that none of
the power door locks were functioning. At first it was just one
door, then another, then another until none of them were working.
It didn’t matter if she used the key fob or the switches in the
Details: The technician stated that he
could hear clicking noises from within the doors as if the
actuators were trying to operate. He tried the door locks
manually and they operated normally with no binding. He also
checked for diagnostic trouble codes but found none.
With an incandescent light bulb, the technician load tested the
door lock circuits at each door lock actuator. All circuits
passed. He verified each actuator was receiving power and ground
Confirmed Repair: The technician replaced
all four door lock actuators then the doors locks operated as
designed. Problem fixed!