How to Repair Subaru Keyless Entry System Glitches

by

If your Subaru’s keyless entry system is acting up, it can be frustrating and inconvenient. Fortunately, many common glitches can be repaired with some basic troubleshooting steps. This guide will help you understand how to fix typical issues with your Subaru keyless entry system.

Common Causes of Keyless Entry Glitches

  • Weak or dead key fob battery
  • Interference from other electronic devices
  • Faulty key fob
  • Problems with the vehicle’s receiver system
  • Software glitches or outdated system firmware

Step-by-Step Repair Guide

1. Replace the Key Fob Battery

The most common cause of keyless entry issues is a weak battery in the key fob. To replace it:

  • Locate the small screw or notch on your key fob.
  • Use a small screwdriver or coin to open the fob.
  • Remove the old battery and replace it with a new one of the same type.
  • Reassemble the key fob and test the system.

2. Check for Interference

Other electronic devices can interfere with the signal. Try:

  • Moving to a different location away from other electronics.
  • Turning off nearby devices that could cause interference.
  • Testing the keyless entry again.

3. Reprogram the Key Fob

If replacing the battery doesn’t work, reprogramming the key fob may be necessary. Refer to your vehicle’s manual for specific instructions, but generally:

  • Enter the vehicle and close all doors.
  • Turn the ignition to the “Off” position.
  • Press and hold the lock and unlock buttons simultaneously for a few seconds.
  • Release the buttons and test the system.

4. Reset the Vehicle’s System

If glitches persist, a system reset may help. This often involves disconnecting the vehicle’s battery for a few minutes or using a diagnostic tool. Consult a professional if you’re unsure how to proceed.

When to Seek Professional Help

If you’ve tried these steps and your Subaru keyless entry system still isn’t working properly, it may be time to visit a dealership or qualified mechanic. Persistent issues could indicate a faulty receiver or other hardware problems that require expert diagnosis and repair.

Preventive Tips

  • Keep your key fob battery fresh.
  • Avoid exposing your key fob to extreme temperatures.
  • Minimize electronic interference around your vehicle.
  • Regularly update your vehicle’s software if updates are available.