Many modern vehicles use transponder (chip) keys that must be programmed to the vehicle before they will start the engine. Simply cutting the key is not enough—the vehicle’s immobilizer must recognize the chip inside the key.
We provide mobile transponder key programming for a wide range of vehicles, whether you’re adding a spare key or replacing a lost one.
A transponder key contains a small electronic chip that communicates with the vehicle’s security system. When the key is inserted or detected, the vehicle checks for the correct signal before allowing the engine to start.
If the chip is not programmed correctly:
If you still have at least one working key, adding a spare transponder key is often the simplest scenario. In many cases this involves:
Having a spare key can prevent future no-spare situations and reduce costs down the road.
When all transponder keys are lost, additional steps are required. The vehicle’s security system must be accessed to allow new keys to be programmed.
Lost-all-keys situations may involve:
Because of this, pricing for no-spare transponder key jobs cannot be confirmed without first inspecting the vehicle.
Not all transponder keys are created equal. Some aftermarket keys:
Key compatibility depends on the vehicle and system type. We verify compatibility before proceeding to avoid partial or failed programming.
There is no flat price for transponder key programming. Cost depends on:
A diagnostic fee may apply, especially in no-spare situations.
No work beyond diagnosis proceeds without approval.
Whether you need a spare chip key or have lost all transponder keys, mobile service can often get you back on the road without towing.
📞 Contact us to schedule service.
For full details on pricing and how the process works, visit our Pricing & Process page.
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