Most modern vehicles use a transponder (chip) key that must be programmed to the car’s immobilizer to start the engine. We cut and program transponder keys on-site for a fraction of dealer time.
Don's Locksmith provides professional transponder key programming throughout Los Angeles, Orange, Riverside, San Bernardino and Ventura counties — 24 hours a day, 7 days a week.
We quote the full price before any work begins, so there are never surprises — just honest transponder key programming at a fair price.
Why Choose Us for Transponder Key Programming
- Chip keys coded to your immobilizer
- Cut and programmed on-site
- For most makes, models and years
- Spare chip keys available
- Cheaper and faster than the dealer
- Fixes “key turns but won’t start” chip faults
Transponder Key Programming Explained
Not sure exactly what transponder key programming covers? Here is the short version. Most modern vehicles use a transponder (chip) key that must be programmed to the car’s immobilizer to start the engine. We cut and program transponder keys on-site for a fraction of dealer time. Customers also search for this as transponder key replacement, transponder key programming and chip key replacement — whatever you call it, we handle it.
The right solution depends on your situation — the hardware involved, its age and condition, and your goals for convenience, cost and security. Our technicians assess first and recommend second, so you only pay for what you actually need.
Why Transponder Key Programming Matters
Security is not the place to cut corners. The difference between a quick patch and a lasting fix comes down to experience, the right tools, and attention to detail — exactly what our technicians bring to every transponder key programming job.
We would rather do it right than do it twice, and our customers reward that with repeat business and referrals across the region.
How It Works
- 1Confirm the systemWe identify your immobilizer and key type.
- 2Cut the keyA matching blade is cut to your lock.
- 3Program the chipThe transponder is coded to start your engine.
- 4Verify startWe confirm the car starts and runs normally.
Honest, Upfront Pricing
We keep pricing transparent. Before any transponder key programming begins, your technician confirms the exact price and answers your questions, so you can decide with confidence. Call (909) 455-3660 for a fast, no-obligation quote.
When to Call
- The engine cranks but won’t start with the key
- A security light flashes on the dash
- You need a spare chip key
- Your key’s chip was damaged
- A non-programmed key won’t start the car
The Don's Locksmith Difference
When you book transponder key programming with Don's Locksmith, a nearby technician is dispatched right away. They assess the job on-site, quote the exact price, and only proceed once you approve — then test everything before they leave.
Transponder Key Programming Across Southern California
We provide transponder key programming across more than 170 Southern California cities — from Los Angeles and Long Beach to Pasadena, Anaheim, Riverside and beyond. Wherever you are in the region, help is close by.
Transponder Key Programming FAQs
It is a key with a small chip that sends a code to your car’s immobilizer. If the code is not recognized, the engine will not start — even if the key physically turns.
Yes. Our mobile units carry the equipment to cut and program transponder keys at your location for most vehicles.
An uncut or unprogrammed key will not start a transponder-equipped vehicle. The chip must be coded to your specific car, which we handle.
Most vehicles from the late 1990s onward do. We confirm your vehicle’s system by make, model and year.
It depends on the vehicle and key, and we quote it before starting — typically well below dealer pricing.
