Fixed: Key Fob Unlocks But Won’t Start a Car

If your key fob unlocks the car but won’t start it, the problem might be with a dead key fob battery or a faulty ignition switch. We will explore the possible causes and solutions for this issue, helping you troubleshoot and resolve the problem.

Understanding the common reasons why a key fob unlocks but won’t start a car can save you time, money, and frustration. So, let’s dive in and find out how to fix this problem effectively.

Key Fob Unlocks But Wont Start Car


**Common Causes For Key Fob Unlocking But Not Starting The Car**

A common issue with key fobs is when they unlock the car but fail to start it. This can be caused by a dead key fob battery, which needs to be replaced to restore functionality. Another possible cause is a faulty key fob signal transmission, which can be fixed by repairing or replacing the key fob.

Additionally, ignition switch issues can prevent the car from starting even when the key fob successfully unlocks it. These issues may require professional assistance to diagnose and fix. If your key fob is unlocking but not starting your car, it is important to consider these common causes and seek appropriate solutions to get your car running again.

**Troubleshooting Steps For Key Fob That Unlocks But Doesn’T Start The Car**

Replacing the key fob battery is the first step in troubleshooting when it unlocks but doesn’t start the car. Make sure to check the signal transmission of the key fob. Testing the ignition switch is also crucial. These three steps can help resolve the issue.

**When To Seek Professional Help For Key Fob Unlocking Issue**

Experiencing difficulties with a key fob that unlocks but doesn’t start your car can be frustrating. If you notice certain signs, it’s best to seek professional help. For instance, if your key fob fails to ignite the engine despite unlocking the doors, intervention might be necessary.

Additionally, if you’ve tried replacing the battery and the problem persists, it’s time to consult an expert. Seeking professional assistance brings many benefits. They possess the knowledge and expertise to accurately diagnose and fix key fob unlocking issues. Moreover, relying on a reliable automotive locksmith ensures that the problem will be resolved efficiently and effectively.

So, don’t hesitate to reach out to an expert if you’re encountering problems with your key fob.

**Preventing Key Fob Issues**

Key fob issues can be frustrating, especially when your car doesn’t start despite it unlocking. To avoid such problems, regular key fob maintenance is essential. Here are some best practices to consider. First, ensure that the key fob is clean and free from debris or dirt.

Regularly replace the batteries to maintain optimal performance. Periodically inspect the key fob for any signs of wear or damage. Keep the key fob away from moisture and extreme temperatures, as they can affect its functionality. Additionally, avoid dropping or subjecting the key fob to rough handling.

Following these guidelines will help prevent key fob issues and ensure a smooth starting experience for your car.


If your key fob unlocks your car but won’t start it, there could be a number of potential issues at play. From a dead key fob battery to problems with the immobilizer system or ignition switch, diagnosing the problem can be a bit tricky.

It is important to first check the battery in your key fob and replace it if necessary. If that doesn’t solve the issue, it may be worthwhile to have a professional inspect the immobilizer system and ignition switch, as these components could be causing the problem.

Don’t forget to also double-check that you are using the correct key fob for your vehicle, as using the wrong one can lead to start issues. By addressing these potential problems, you can ensure that your key fob not only unlocks your car but also starts it without any trouble.

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