Experiencing issues with your Chrysler 200 key fob can be frustrating. You press the button, but nothing happens – the doors remain locked, or the trunk stays stubbornly shut. Before you rush to the dealership, understand that this is a common problem with remote keyless entry (RKE) systems, and often, there are simple solutions you can try at home. Let’s explore why your Chrysler 200 key fob might not be working and what steps you can take to resolve it.
Understanding Rolling Codes and Synchronization
Modern key fobs, like those in your Chrysler 200, use a “rolling code” system for enhanced security. Think of it like your garage door opener. Each time you press a button, the fob transmits a slightly different code to your car. This prevents thieves from intercepting and mimicking the signal to gain unauthorized access.
However, this sophisticated system can sometimes lead to a loss of synchronization between your key fob transmitter and your car’s receiver. This desynchronization can occur if you repeatedly press buttons on your key fob when you are out of range of the vehicle, or even after a battery replacement in the key fob. When this happens, your Chrysler 200 might not recognize the signal from your key fob, leading to it not working.
Resynchronizing Your Chrysler 200 Key Fob
Fortunately, Chrysler has incorporated a resynchronization procedure that you can attempt yourself. Here are two methods to try and get your Chrysler 200 key fob working again:
Method 1: Lock and Unlock Button Press
This method involves pressing and holding both the lock and unlock buttons simultaneously.
- Locate the lock and unlock buttons on your Chrysler 200 key fob.
- Press and hold both the lock and unlock buttons at the same time.
- Continue holding until you hear the door locks cycle. This sound indicates that the system is attempting to resynchronize.
Method 2: Repeated Unlock Button Press
This method focuses on repeatedly pressing the unlock button to re-establish communication.
- Press the unlock button on your Chrysler 200 key fob.
- Repeat pressing the unlock button up to eight times.
- Listen carefully for the power door locks to cycle. The cycling of the locks signals that resynchronization has likely occurred, and your key fob should now be working.
Chrysler service information indicates that the lock function might still work even when the key fob is out of sync. Therefore, you can try pressing the lock button to verify if there is any response from your vehicle.
When to Seek Professional Help
If neither of these resynchronization methods works for your Chrysler 200 key fob, it might indicate a more complex issue. In such cases, it’s advisable to seek professional help from a certified Chrysler dealer or a skilled automotive locksmith.
Dealers and specialized locksmiths have access to diagnostic tools and the necessary 4-digit security code required to reprogram your key fob to your specific vehicle. They can also diagnose if the problem lies within the car’s receiver system rather than just the key fob itself.
Having a spare key fob is always a good preventative measure. If you don’t have a spare, consider getting one programmed. This can save you from being stranded should your primary Chrysler 200 key fob fail.
By understanding the rolling code system and attempting the resynchronization steps, you can often resolve a non-working Chrysler 200 key fob. However, for persistent issues, professional assistance will ensure your remote keyless entry system is functioning correctly and reliably.
