[Confirmed Fix] My 2016 Chevrolet City Express fob is dead - can’t find transponder code

151 views - Last reply: May 06, 2025
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How do I get the key code to program a new key for my 2016 Chevrolet City Express?

Hello! We've developed a VIN-based tool to help you get your key code for the 2016 Chevrolet City Express. Check it out here: VIN Key Code Generator.

Replies (3)

Anyone try this on a 2016 Chevrolet City Express with push-button start?

My 2016 Chevrolet City Express's immobilizer is stuck. Hoping this helps.

Will this work if the 2016 Chevrolet City Express has an aftermarket alarm?

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Security Systems
A flashing security light often indicates an immobilizer issue. Solid light suggests the system is armed but not recognizing your key. Causes: faulty key chip, damaged antenna ring, low battery, or system needs reprogramming.
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Key Fob Issues
Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
Key Programming
Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
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