If you’re a Subaru owner and you’ve been experiencing issues with your key fob, you’re not alone. A malfunctioning key fob can be frustrating and inconvenient, but luckily, there are steps you can take to troubleshoot and fix the problem. In this article, we will provide you with a step-by-step guide on how to identify and resolve the issue with your Subaru key fob. So let’s get started!
Step 1: Identify the Problem
The first step in troubleshooting your Subaru key fob is to determine the exact issue you’re experiencing. In the YouTube video by Thrifty Tool Shed, the presenter explains that their key fob has stopped working even after replacing the battery and cleaning up some corrosion. By identifying the problem, you can narrow down the potential causes and find the most appropriate solution.
Step 2: Access the Key Fob
To access the key fob, you’ll need to remove the phillips screw that holds it together. In the video, the presenter demonstrates how the fob is attached, and with a quick flick of the screwdriver, the fob easily opens up. Inside, you’ll find a small RFID chip and a radio transmitter responsible for locking, unlocking, and the panic feature.
Step 3: Replace the Battery
In many cases, a dead or weak battery can cause the key fob to stop working. Even if you have recently replaced the battery, it’s worth trying a new one to ensure that the issue is not related to battery performance. As shown in the video, the presenter swaps the battery for a brand new 1620 battery, which is the recommended type for this particular key fob model.
Step 4: Test the Key Fob
After replacing the battery, it’s time to test the key fob to see if the issue has been resolved. The video suggests using a wireless key fob tester to check if the fob is functioning properly. Although the results may vary, sometimes a metal object can help improve the signal reception. If the fob still doesn’t work, it’s time to move on to the next step.
Step 5: Inspect for Damage or Corrosion
If the key fob is still not working, it’s possible that there is damage or corrosion affecting its functionality. In the video, the presenter removes the board from the key fob and inspects it using a microscope. While the board overall appears to be in good shape, there is some visible corrosion. To address this, the presenter cleans the affected areas with high percentage isopropyl alcohol and some brushes or swabs.
Step 6: Check for Damaged Components
Next, it’s important to check for any damaged components on the board that may be causing the issue. The presenter uses a meter to test a transistor and confirms that it is functioning correctly. This step helps to ensure that all the components are in good condition and not contributing to the key fob problem.
Step 7: Reassemble the Key Fob
Once you have inspected and cleaned the board, it’s time to reassemble the key fob. Make sure to follow the proper alignment of the buttons by matching the arrows indicated on the components. The video highlights the location of the arrows and suggests using a microscope for better visibility. Proper reassembly is crucial to ensure that the key fob functions correctly.
Step 8: Test the Key Fob Again
After reassembling the key fob, it’s essential to test it once more to verify if the repairs have been successful. Using the wireless key fob tester, the presenter in the video demonstrates that the key fob is now functioning properly and transmitting signals effectively.
Experiencing issues with a Subaru key fob can be frustrating, but with the right approach, you can troubleshoot and fix the problem at hand. By following the step-by-step guide outlined in this article, you can identify the issue, replace the battery if necessary, inspect for damage or corrosion, and ultimately repair the key fob. Remember, it’s always best to consult a professional if you’re unsure or uncomfortable performing these steps yourself. With these tips, you’ll be back to using your Subaru key fob effortlessly in no time.
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