Lost your key fob or need to program a new one for your 2002 Chevy Impala? Don’t worry, programming your key fob can be a straightforward process, and you might even be able to do it yourself without needing specialized tools. This guide provides you with two methods to program your 2002 Impala Key Fob, ensuring you regain remote access to your vehicle quickly and easily.
Method 1: DIY Key Fob Programming for Your 2002 Impala (No Tech2 Required)
This method is ideal if you don’t have access to a professional scan tool like a Tech2. It utilizes your car’s onboard system to enter programming mode. Follow these steps carefully to program your 2002 Impala key fob without any special equipment:
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Get into your 2002 Chevy Impala and make sure you are in the driver’s seat. Insert your ignition key into the ignition switch. Turn the key to the “On” position. Important: Do not start the engine.**
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Locate your car radio and find the “DISP” button. Press and hold the “DISP” button for approximately five seconds. Keep holding until the radio display changes and you see the settings menu appear.
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Once the settings menu is visible, use the “Up” or “Down” arrow buttons on your radio to navigate through the options. Scroll until you find the “FOB PROG” or “Remote Learn” option on the display.
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When “FOB PROG” is displayed, press the “DISP” button again to select this option. The screen will then show “PUSH FOB”. Immediately take your key fob and simultaneously press and hold both the “Lock” and “Unlock” buttons. Hold these buttons down for about 15 seconds, or until you hear the car chime. The chime indicates that the key fob has been successfully programmed.
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If you have additional key fobs to program, repeat steps 3 and 4 immediately for each additional fob. The system should remain in programming mode, allowing you to program multiple fobs in sequence.
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To exit the programming mode after you have programmed all your key fobs, use the “Up” or “Down” arrow buttons on the radio again. Scroll through the menu options until you find “Exit”. Once “Exit” is displayed, press the “DISP” button one last time to select it and leave the programming mode. You should hear another chime to confirm that you have exited the programming mode successfully.
Method 2: Programming Your 2002 Impala Key Fob with a Tech2 Scan Tool
If you have access to a Tech2 scan tool or are visiting a professional mechanic, this method provides another way to program your 2002 Impala key fob. This method often offers a more direct and potentially quicker programming process.
Important Note: When using a scan tool, it’s crucial to understand that initiating the programming sequence will erase all previously programmed key fobs. Therefore, ensure you have all the key fobs you intend to use with the vehicle present and ready to be programmed during this process. You can program up to four key fobs in a single programming session. Avoid programming key fobs near other vehicles that might also be in keyless entry programming mode to prevent accidental programming to the wrong vehicle.
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Begin by connecting a Tech2 scan tool to your 2002 Chevy Impala’s diagnostic port.
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Power on the Tech2 scan tool and navigate through the menus to access the key fob programming function. Typically, this involves going to: Vehicle Control System, then Computer Integrating System, followed by Module Setup, then Body Control Module (BCM), and finally selecting “Program Key Fobs”. The exact menu path might slightly vary depending on your specific Tech2 scan tool software version.
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Once you have reached the “Program Key Fobs” menu, select or press the “START” soft key on the Tech2 scan tool to initiate the programming sequence. Crucially, keep the Tech2 scan tool connected to your vehicle until all key fobs are programmed.
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Take the first key fob you want to program. Simultaneously press and hold the “LOCK” button and the “UNLOCK” button on the fob. Keep holding both buttons down together.
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After holding the buttons for approximately 5 to 10 seconds, the Tech2 scan tool should display a message indicating that the transmitter or key fob has been successfully programmed.
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Repeat step 4 and 5 for any remaining key fobs you need to program, up to a maximum of four.
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After you have programmed all desired key fobs, you can safely disconnect the Tech2 scan tool from your 2002 Impala.
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Finally, test each of your newly programmed key fobs to ensure they are functioning correctly. Verify that the lock, unlock, and any other remote functions are working as expected to confirm successful programming.
By following either of these methods, you should be able to successfully program your 2002 Chevy Impala key fob and regain convenient remote access to your vehicle. Choose the method that best suits your access to tools and enjoy the convenience of your key fob once again.
