How To Fix Subaru Power Door Lock Problems

Your Subaru’s power door locks provide convenience and security. However, when these locks malfunction, it can be frustrating and even pose a safety risk. Subaru power door lock issues can manifest in various ways, from slow or noisy operation to complete failure. In this article, we’ll explore common problems and steps to fix Subaru power door lock issues.

Common Power Door Lock Problems in Subarus

Before diving into solutions, it’s essential to identify the symptoms of power door lock problems in your Subaru:

  1. Slow Locking or Unlocking: If your door locks are sluggish and take longer than usual to respond to commands, this could indicate a problem.
  2. Noisy Operation: Unusual noises, such as grinding or clicking sounds, when you operate the door locks can signal issues.
  3. Incomplete Locking or Unlocking: Sometimes, one or more doors may not lock or unlock correctly, leaving your vehicle partially secured or accessible.
  4. Intermittent Locking: Inconsistent performance, where the locks work sometimes but not always, can be perplexing.
  5. Complete Lock Failure: The most severe problem is when the door locks stop functioning altogether, potentially trapping you inside or outside your vehicle.

Steps to Fix Subaru Power Door Lock Problems

  1. Check the Key Fob Battery

Many Subaru models use key fobs for remote door locking and unlocking. A weak or dead battery in the key fob can lead to erratic lock behavior. Replace the battery and see if the issue persists.

  1. Inspect for Physical Obstructions

Sometimes, foreign objects or debris can obstruct the locking mechanism. Inspect the door jambs and locks for any visible obstructions. Clear any debris and lubricate the locks with a silicone-based lubricant.

  1. Lubricate the Door Locks

Lubrication can improve the performance of your power door locks. Use a silicone-based lubricant to apply a thin layer to the lock mechanism, hinges, and latch.

  1. Test Individual Door Locks

If only one door is malfunctioning, test the individual door lock. If it’s an isolated issue, you might need to replace the lock actuator for that specific door.

  1. Check the Fuse Box

Power door locks are often controlled by fuses. Consult your Subaru’s owner’s manual to locate the fuse box and identify the fuse for the door locks. If the fuse is blown, replace it with one of the same amperage.

  1. Examine Wiring and Connections

Faulty wiring or loose connections can disrupt the power supply to the door locks. Visually inspect the wiring harness and connections. Repair or replace damaged wires and ensure all connections are secure.

  1. Test the Door Lock Switches

If the door locks still don’t work correctly, test the door lock switches on both the driver and passenger sides. If a switch is defective, it may need replacement.

  1. Consider the Door Lock Actuators

If none of the above steps resolve the issue, it’s possible that one or more door lock actuators have failed. These actuators are responsible for physically moving the lock mechanism. Replacing them is a more involved process and may require professional assistance.

  1. Consult a Subaru Technician

If you’re unable to diagnose or resolve the power door lock issue on your own, it’s advisable to consult a Subaru dealership or a certified technician. They have the expertise and diagnostic tools to pinpoint the problem accurately and perform any necessary repairs or replacements.

  1. Preventive Maintenance

To avoid future power door lock problems, practice regular maintenance. Lubricate the locks and hinges periodically, keep the interior clean to prevent debris from entering the locks, and replace key fob batteries as needed.

In conclusion, Subaru power door lock problems can range from minor annoyances to significant inconveniences. Proper diagnosis and timely resolution are crucial to ensure the security and functionality of your vehicle’s locks. While some issues can be resolved with basic troubleshooting and maintenance, others may require professional intervention. Always prioritize safety and security when dealing with power door lock problems in your Subaru.