How to Test If Your Car Chip Key Is Failing

Car Chip KeyPhoto from Unsplash

Originally Posted On: https://championlock.com/how-to-test-if-your-car-chip-key-is-failing/

 

How to Test If Your Car Chip Key Is Failing

Car chip keys are everywhere these days and are the preferred option to traditional keys. However, while conventional car keys can last forever, even the most advanced chip key might eventually begin to malfunction.

If you’ve ever been stuck in a parking lot with a key that suddenly won’t work, you know how frustrating it can be. Not to mention, replacing them isn’t cheap. That’s why it’s smart to know the warning signs of a chip key on its last legs and how to check if it’s still working right.

In this guide, we’ll walk you through some simple ways to test your chip key and what to do if it’s time for a new one.

Signs of a Failing Chip Key

Don’t wait until you’re stranded without a working car key to check your chip key’s condition. There are some telltale signs to watch out for. Knowing what to look for puts you in the driver’s seat when it comes to maintaining your car’s security system.

So, let’s break it down. Here are the key things to keep an eye on:

  • Inconsistent operation: Your key sometimes doesn’t work on the first try.
  • Increased effort: You need to press the button multiple times or hold it longer than usual.
  • Reduced range: The key fob’s effective distance has decreased significantly.
  • Strange noises: When using the key, you hear unusual clicking or buzzing sounds.
  • Warning lights: Your car’s dashboard displays key-related warning lights.

If you notice any of these signs, it’s time to test your chip key thoroughly. You can do this by enlisting the service of a professional chip key locksmith.

Testing Methods for Chip Keys

The Spare Key Test

One of the simplest ways to determine if your chip key is failing is to compare its performance to that of your spare key. This method helps isolate the problem to the key itself rather than the car’s systems.

Here’s how you do this:

  1. Locate your spare key.
  2. Try using the spare key to unlock your car and start the engine.
  3. If the spare key works flawlessly while your primary key struggles, it’s likely that your primary chip key is failing.

Battery Check

Often, what seems like a failing chip key is simply a case of a depleted battery. Following this troubleshooting step should always be one of the first as it will save you time and stress.

Here’s how to check your car key battery:

  1. Open the key fob carefully using a small screwdriver.
  2. Identify the battery type (usually printed on the battery itself).
  3. Replace the old battery with a new one of the same type.
  4. Reassemble the key fob and test it.

If performance improves significantly after replacing the battery, you’ve likely solved the issue. If not, further testing is necessary.

Key Programming Check

Sometimes, the key’s programming can become corrupted or lost. While you may be thinking that troubleshooting a chip key’s programming should be reserved for professionals, you might be surprised to learn that there are a few simple checks you can do at home.

Here’s how to check your car key’s programming:

  1. Consult your vehicle’s manual for the key reprogramming procedure.
  2. Follow the steps to reprogram your key (usually involves a specific sequence of actions like turning the ignition on and off).

If you can’t find your vehicle’s physical manual, most manufacturers offer digital versions online. Many automakers provide these documents in PDF format on their official websites, making them easily accessible.

Visual Inspection

Physical damage can affect a chip key’s performance. A thorough visual examination can reveal physical issues that might not be immediately apparent but could significantly impact your chip key’s functionality.

Here’s how to check for physical damage affecting your car key fob:

  1. Examine the key fob for any cracks, water damage, or signs of wear.
  2. Check if the buttons are worn or damaged.
  3. Look for any exposed circuitry or loose components.

Visible damage often indicates that replacement is necessary, as physical harm can affect the delicate internal components.

Professional Diagnostic Test

If you’ve run through all the previous steps and are still having issues, having your key professionally tested will give you a definitive answer. This method provides the most accurate assessment of your chip key’s condition.

How to have a professional diagnose your car key problems:

  1. Locate a reputable auto locksmith or dealership that offers key diagnostic services.
  2. Bring both your primary and spare keys for testing.
  3. The professional will check the key’s signal strength and functionality.

The Importance of Timely Action in Replacing Your Car Chip Key

Recognizing and addressing a failing chip key promptly helps you avoid potentially stressful and costly situations. Delaying action until complete key failure can result in being locked out of your vehicle, inability to start your car when needed, compromised security, and higher emergency replacement costs.

Regular testing of your chip key and preparedness for replacement are essential strategies to prevent these scenarios. By staying proactive, you can ensure continuous, hassle-free access to your vehicle. If you don’t feel confident running through the steps listed above, you can skip them and go directly to a professional service provider.

Preparing for a Chip Key Replacement

When preparing for a chip key replacement, research your options among dealerships, auto locksmiths, and online retailers, considering factors like cost, convenience, and compatibility.

Once you’ve found a preferred company, gather essential information such as your vehicle’s make, model, year, VIN, and proof of ownership to streamline the replacement process. While awaiting your new key, implement backup plans like safeguarding your spare key, learning manual entry methods, and adopting preventive measures for the future, including gentle handling of keys and regular battery replacements.

Getting Professional Help with Your Chip Key

By staying vigilant and proactive, you can ensure your chip key remains a reliable tool for accessing and operating your vehicle, keeping you on the road without unexpected interruptions.

Champion Lock & Safe Company has the expertise and equipment to accurately diagnose and resolve chip key issues. Call (210) 590-6033 to speak with a member of our team to learn about our fees, turnarounds on diagnostic testing, and the chip key brands we specialize in.

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