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Transponder Keys

Cutting and programming chipped transponder keys that the car's immobilizer must recognize before the engine will start. Covers new, spare, and replacement keys.

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Common issues we handle

  • Transponder key lost or stolen
  • Immobilizer no longer recognizes the key
  • Need a spare chip key as backup
  • Chip damaged so the engine will not start

Frequently asked questions

Why won't a regular cut key start my car?

Modern cars use a transponder chip the immobilizer must read — without programming, a cut-only key turns but the engine stays locked.

Can a transponder key be made without going to the dealer?

Yes — a mobile auto locksmith cuts and programs transponder keys on-site from your VIN, usually cheaper than the dealership.