Programming new key fobs for your Aston Martin can seem daunting, but with the right tools and guidance, it’s manageable. This guide provides a detailed walkthrough of how to program keys for a Gaydon era Aston Martin using the ThinkDiag diagnostic tool. We’ll cover everything from essential prerequisites to troubleshooting common issues.
Key Programming Prerequisites: The 8-Character Code
Before you begin, you’ll need a crucial piece of information: the 8-character code associated with your new key fob. This code is usually provided on a card that comes with the key.
The card may display two 8-character codes. Don’t worry; one of them will work with your key. If the first code doesn’t work, try the second. Without this code, programming your Aston Martin to recognize the new key is impossible.
Connecting ThinkDiag: Choosing the Right Port
Ensure your ThinkDiag device is connected to the DOOR MODULE PORT. In a 2009 left-hand drive V8 Vantage, this port is located on the passenger side footwell near the center console. Using the wrong port will result in communication errors.
Powering Up: Preparing Your Aston Martin
Turn on your Aston Martin’s electrical system without starting the engine. This usually involves inserting the key into the ignition without turning it to the start position. Consult your owner’s manual for the specific procedure for your model year.
Launching ThinkDiag: Initializing the Software
Start the ThinkDiag software and select the Aston Martin module. Allow the software to automatically detect your car model.
Accessing Special Functions: Locating Key Programming
Navigate to the “Special Functions” menu within the ThinkDiag software. Look for and select the “Key Fob Learn/Clear” function.
Reading Existing Keys: Verifying Communication
Within the “Key Fob Learn/Clear” function, you can read the keys currently programmed to your car. This step confirms communication between ThinkDiag and your car’s module. If you encounter errors, try disconnecting and reconnecting the ThinkDiag, or restarting the software.
The “Read” command displays a list of programmed keys and available slots. Empty slots will appear as zeros.
Programming New Key: Entering the 8-Character Code
Return to the “Key Fob Learn/Clear” menu and select the “Write” command. Enter the 8-character code from your key card. If successful, your key fob’s lock and unlock buttons should now function.
Key Slot Limitations: Understanding Capacity
The “Read” function also reveals the number of registered keys and available slots. If all slots are full, you’ll need to erase an existing key to program a new one. Caution: Erasing a key without its corresponding 8-character code renders that key permanently unusable. There’s no way to retrieve a lost key code. A new key purchase is required in such cases.
Conclusion: Successful Key Programming with ThinkDiag
By following these steps, you can successfully program new keys for your Gaydon era Aston Martin using the ThinkDiag diagnostic tool. Remember to have your 8-character key code ready and double-check your connections to avoid communication errors. If all slots are full, proceed with caution when erasing keys, as lost codes cannot be recovered.
