Programming a new key fob for your 2018 Chevrolet Tahoe can be expensive at a dealership or locksmith. However, with a scan tool like a Snap-on MODIS Edge, you can program it yourself in minutes and save money. This guide provides a step-by-step procedure for programming a new key fob using a scan tool.
Programming a New Key Fob: A Step-by-Step Guide
This procedure outlines how to program a new key fob to your 2018 Chevrolet Tahoe using a compatible scan tool. It was successfully completed using a Snap-on MODIS Edge, but other scan tools with similar functionality should work as well.
Before You Begin:
- Purchase a new key fob and transponder key. Online retailers like Amazon offer affordable options.
- Have the transponder key cut by a locksmith or hardware store.
Programming Procedure:
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Connect and Initialize: Turn on the scan tool, select “Scanner”, then select the vehicle by Year, Make, Model, and VIN (Vehicle Identification Number).
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Access Keyless Entry System: Select the “Keyless Entry” system.
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Enter Module Setup: Navigate to “Module Setup”.
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Initiate Key Fob Programming: Choose the “Program Key Fobs” option.
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Review Instructions: Carefully read the on-screen instructions provided by the scan tool and select “Continue”.
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Select Programming Option: Choose the desired programming option:
- Erase all and program: This option deletes all existing key fobs and programs only the new one. Use with caution.
- Program to an empty slot: This option programs the new key fob to an available memory slot in the vehicle’s system. This is generally the recommended option.
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Choose Empty Slot: If programming to an empty slot, scroll through the list and select an available slot (e.g., #3).
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Confirm Programming: Press “Y” on the “Program” option at the top of the screen.
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Program the Fob: Press “Y” on “Program,” then simultaneously press and hold the “LOCK” and “UNLOCK” buttons on the new key fob until “YES” is displayed at the end of the chosen slot on the scan tool screen.
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Verify Functionality: Exit the programming menu on the scan tool and test all functions of the new key fob (lock, unlock, panic, remote start if applicable).
Conclusion
Programming a new key fob for your 2018 Chevrolet Tahoe with a scan tool is a straightforward process that can save you significant money compared to dealership or locksmith prices. By following these steps, you can successfully program a new key fob yourself in just a few minutes. Always consult your vehicle’s owner’s manual for specific instructions and recommendations. While this process worked using a Snap-on MODIS Edge, menu navigation and specific prompts might vary slightly depending on the scan tool used.
