2013 Nissan AK13 Driver Door Won't Lock/Unlock with Keyless Entry

Sounds like the driver door lock actuator or its wiring is the prime suspect here. The keyless remote sends the lock/unlock signal to all doors, so if only the driver door fails to respond, the actuator or wiring in that door is likely at fault. The door lock switch inside the driver door could also be involved if it’s stuck or has a bad connection.

Most likely culprits

• Driver door lock actuator: This motor physically moves the lock mechanism and often fails with age or wear.
• Driver door wiring harness: Broken or corroded wiring inside the door can interrupt power or signals to the actuator.
• Driver door lock switch: If the internal lock/unlock switch is stuck or faulty, it can interfere with remote operation.

How to narrow it down

1. Try locking/unlocking all doors with the keyless remote and see if all except the driver door respond. Confirms isolated driver door issue.
2. Manually operate the driver door lock switch inside the car. Does it lock/unlock the door? If not, suspect switch or actuator.
3. Listen closely at the driver door when pressing lock/unlock on the remote. If no sound or movement, actuator or wiring is suspect.
4. Check for corrosion or damage in the driver door wiring harness by gently pulling back the rubber boot between door and frame.
5. Use a multimeter to test for voltage at the driver door actuator connector while pressing lock/unlock. No voltage means wiring or control module issue; voltage but no actuator movement means actuator failure.

Possible parts (if needed)

• Driver door lock actuator
• Driver door lock switch (if faulty)
• Driver door wiring harness repair or connector cleaning

A few questions

• Does the passenger door lock/unlock normally with the remote?
• Does the driver door lock/unlock manually with the interior switch?
• Any recent door repairs or water intrusion in the driver door area?