Transponder Key Programming

Modern vehicles rely on electronic transponder chips built right into the key head or remote fob to communicate with the engine before starting. At Bergenfield Locksmiths, we carry advanced diagnostic equipment directly to your vehicle to seamlessly program new transponder keys, remote fobs, and standard mechanical keys. Whether you need a spare or a total replacement, we ensure the new chip pairs perfectly with your car’s security system.

If your keys were stolen or lost, security becomes an immediate priority. We can arrive the very same day to safely wipe and de-program the old, missing keys from your vehicle’s Engine Control Unit (ECU). This instantly blocks the lost keys from starting the engine, giving you absolute peace of mind that your car stays safe and secure.