Dodge Dart Key Fob Not Working

The Dodge Dart key fob is a crucial component that allows you to lock, unlock, and start your vehicle remotely. However, like any electronic device, it can sometimes malfunction. Common issues include the fob not responding to button presses, locking or unlocking the car erratically, or failing to start the vehicle. Understanding the reasons behind these problems and how to address them can save you time and money.
Key fob issues can arise from various factors such as a dead battery, dirty contacts, or physical damage to the fob itself. In many cases, users can resolve these issues with simple troubleshooting steps. This guide will provide you with practical solutions to fix your Dodge Dart key fob when it stops working.
Common Key Fob Issues | Possible Solutions |
---|---|
Dead battery | Replace the battery with a new CR2032 battery. |
Dirty contacts | Clean the circuit board and metal contacts. |
Physical damage | Replace the key fob shell or buy a new one. |
Understanding Key Fob Functionality
A key fob operates using a small battery that powers its electronic components. When you press a button on the fob, it sends a signal to your vehicle's receiver, allowing you to perform various functions like locking or unlocking doors and starting the engine. If your key fob is not functioning correctly, it's essential to identify whether the issue lies with the battery, the internal components, or external factors such as interference.
Battery Issues
The most common reason for a non-functioning key fob is a dead battery. The Dodge Dart typically uses a CR2032 battery, which is widely available and inexpensive. If your fob is not responding at all, replacing this battery is often the first step in troubleshooting.
To replace the battery:
- Open the key fob using a flathead screwdriver.
- Carefully remove the old battery and insert a new CR2032 battery, ensuring that it fits correctly.
- Reassemble the key fob and test its functionality.
If replacing the battery does not solve the issue, further investigation is necessary.
Internal Component Problems
Another frequent problem with key fobs is related to internal components, particularly the metal contacts that connect with the circuit board. Over time, these contacts can become dirty or loose. If you notice that certain buttons are unresponsive or that pressing one button activates multiple functions (like locking and unlocking simultaneously), this could indicate an issue with these components.
To address this:
- Open the key fob and inspect the circuit board.
- Clean any dirt or debris from the metal contacts using rubbing alcohol and a cotton swab.
- Ensure that all metal discs are properly aligned with their corresponding buttons.
If any of these discs are loose or have come off entirely, you may need to reattach them using silicone adhesive or tape.
Physical Damage and Replacement Options
If your key fob has been physically damaged—such as cracks in its casing or broken buttons—it may be time for a replacement. Fortunately, replacing a key fob does not always require purchasing an expensive new unit from a dealership.
Replacing the Key Fob Shell
You can often find aftermarket key fob shells online for a fraction of the cost of a new fob. These shells allow you to transfer your existing circuit board into a new case without needing to reprogram it. This process involves:
- Purchasing an aftermarket shell compatible with your Dodge Dart model.
- Carefully opening both your old and new key fobs.
- Transferring the internal circuit board from the old shell to the new one.
- Reassembling everything securely.
This method can provide a fresh look for your key fob while maintaining its original functionality.
Buying a New Key Fob
If your key fob is beyond repair—perhaps due to extensive water damage or internal component failure—you may need to buy a new one. New key fobs can be purchased from various sources:
- Dealerships: While often more expensive (ranging from $200 or more), dealerships provide genuine parts and programming services.
- Online Retailers: Websites like Amazon offer both new and refurbished options at lower prices. Ensure that any replacement you consider is compatible with your specific Dodge Dart model.
When purchasing a new key fob, remember that some models require professional programming. Check if you can program it yourself before making a purchase.
Troubleshooting Steps for Key Fob Issues
When faced with key fob problems, following systematic troubleshooting steps can help identify and resolve issues quickly:
1. Check Battery: Start by replacing the battery if there are no signs of life.
2. Inspect Internal Components: Open up the fob and check for dirty contacts or misaligned metal discs.
3. Test Functions: After cleaning and reassembling, test each button's functionality.
4. Replace Shell if Necessary: If physical damage is evident, consider replacing just the shell instead of buying an entirely new unit.
5. Seek Professional Help: If all else fails, consult with an automotive locksmith or dealership for further assistance.
FAQs About Dodge Dart Key Fob Not Working
- What should I do if my Dodge Dart key fob isn't working?
Start by replacing its battery; if that doesn't work, clean its internal contacts. - How do I replace my Dodge Dart key fob battery?
Open the fob with a screwdriver, remove the old CR2032 battery, insert a new one, then reassemble. - Can I use an aftermarket shell for my key fob?
Yes, transferring your existing circuit board into an aftermarket shell is often possible. - What if my key fob still doesn't work after replacing the battery?
If it remains unresponsive, check for internal component issues or consider buying a replacement. - How much does it cost to replace a Dodge Dart key fob?
A replacement can range from $20 for aftermarket options to over $200 at dealerships.
By understanding these common issues and following practical solutions outlined in this guide, you can effectively troubleshoot problems with your Dodge Dart's key fob. Whether it's replacing batteries or cleaning internal components, many fixes are simple enough to tackle on your own without incurring high costs at service centers.
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