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Crenshaw Lock

Transponder Key Programming in Reseda · 24/7 mobile

Transponder Key Programming in Reseda, California

Crenshaw Lock Company provides mobile transponder key programming in Reseda, California, around the clock, 24/7. We come to your vehicle and program chip keys to its immobilizer so the car starts and runs. Call (323) 997-8867 to describe your car and get help.

  • Mobile to your Reseda location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Car key being programmed with a handheld programmer inside a car
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Most cars built since the late 1990s will not start with a key that merely turns in the ignition. Inside the plastic head of the key is a small transponder chip, and the car's immobilizer must recognize that chip before it lets the engine run. If you lose your only key, break one, or buy a used spare that was never paired, a hardware store copy will open the door at best and do nothing for the ignition. That is where transponder key programming comes in.

In Reseda, this need shows up in very ordinary places: a driver who comes out of the Reseda Park lot to find a key missing from a pocket, a tenant in one of the mid-century apartment buildings along Reseda Blvd whose only fob went through the wash, or a delivery driver working the Sherman Way corridor who snapped a key in a worn ignition. Reseda is a car-dependent part of the central San Fernando Valley, and being stuck without a working key quickly becomes a missed shift or a missed appointment.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, under owner and lead technician David Shar. We are fully mobile. There is no shop to tow your car to and no storefront to visit. We bring the equipment to wherever the vehicle is parked, whether that is a driveway behind a 1950s tract bungalow, a carport at a dingbat apartment, or a curb near Vanowen St.

How it works in Reseda

  1. 1

    You call and describe the vehicle

    Call (323) 997-8867 any hour. We will ask for the make, model, and year, where the car is parked, and whether you still have a working key. That tells us what kind of immobilizer system we are dealing with and what we need to bring.

  2. 2

    We come to the car

    Because we are fully mobile, the work happens where the vehicle sits. Whether it is in a driveway, an apartment garage, or a parking lot, there is no need to tow it or drive it anywhere first.

  3. 3

    We confirm ownership

    Before cutting or programming anything, we ask for reasonable proof that the vehicle is yours, such as registration or ID matching it. This protects you and is standard practice for responsible automotive locksmith work.

  4. 4

    We prepare the key

    If you need a new key, it is cut to match the vehicle's lock and the transponder chip is prepared for the correct system. If you already have a blank or spare, we check that it is compatible before going further.

  5. 5

    We program it to the immobilizer

    Using diagnostic and programming equipment, we pair the key's chip with the vehicle's immobilizer. For many vehicles this also lets us add a spare or remove a lost key from the system, depending on the model.

  6. 6

    We test everything

    We check that the key opens the door, turns in the ignition, and starts the engine, and that any remote buttons work. You should leave with keys you have watched work, not keys we hope will.

Need transponder key programming in Reseda?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • Make, model, and year of the vehicle, since some immobilizer systems are much more involved to program than others
  • Whether you still have a working key to copy or all keys are lost, which changes how much of the process is needed
  • The type of key: a basic chip key, a remote head key, a flip key, or a push-to-start smart key each involve different parts and work
  • How many keys you want programmed at one visit, including spares
  • Whether a key must also be cut or generated from scratch rather than just paired to the car
  • The time of day and exact location of the vehicle, since we operate 24/7 and travel to you

Why Reseda chooses us

  • Fully mobile service. We come to your car, so you are never stuck arranging a tow just to get a key made.
  • In business since 1987, with owner David Shar leading the technical work rather than handing it off to unknown subcontractors.
  • Available 24/7, so a lost key at night or on a weekend does not have to wait for a dealership to open.
  • Honest scoping. If your vehicle's system is one we cannot program, we will tell you directly instead of starting work we cannot finish.
  • Lock knowledge beyond cars. Because we also do residential and commercial work, we can address a stubborn house or apartment lock on the same call if you ask.

Transponder Key Programming across Reseda

Reseda sits in the flat middle of the San Fernando Valley, and its street grid shapes how people drive and park. Reseda Blvd, Sherman Way, Vanowen St, Victory Blvd, Saticoy St, and Roscoe Blvd carry daily traffic, with US-101 close by for longer trips. We handle transponder calls across the Reseda Blvd commercial district, along the Sherman Way corridor, and in the Reseda Park residential area, including addresses in ZIP codes 91335 and 91337.

Housing here matters for key work. Many residents live in dense mid-century dingbat apartments along Reseda Blvd, Sherman Way, and Victory, where cars are often parked in tight carports or on the street, and a single fob may be shared or lost between tenants. Property managers and tenants sometimes call us when a vehicle needs a fresh key paired after a move. In the post-war tract neighborhoods of small stucco bungalows and ranch houses, we often find older cars kept running for years on their original keys, with no spare ever made, which makes a lost key more costly than it needs to be.

Whether you are near Reseda Park and Reseda Park Lake, the Reseda Recreation Center, the Reseda Theatre marquee on Sherman Way, or the edge of the Sepulveda Basin by the LA River, the process is the same: call (323) 997-8867, tell us where the car is, and we come to you. If you also have a house or shop lock that has been acting up since decades of settling in the area, mention it and we can discuss that separately.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

Other Reseda locksmith services

See all of our Reseda services, or our citywide transponder key programming page.

Transponder Key Programming in Reseda — FAQs

What is a transponder key?
It is a key with a small electronic chip in its head. The car's immobilizer reads that chip and only allows the engine to start if it recognizes the code. Without programming, even a perfectly cut key will not start the car.
Can you program a key in Reseda if I have lost all my keys?
In many cases yes, depending on the vehicle. Call (323) 997-8867 with the make, model, and year and we will tell you what is possible and what we would need to do it at your location.
Do I need to tow my car anywhere?
No. We are fully mobile and come to the vehicle, whether it is parked at an apartment on Reseda Blvd, in a driveway, or in a lot off Sherman Way. There is no storefront to visit.
Is a hardware store copy good enough?
A plain copy can usually open the door and may turn the ignition lock, but if the car has an immobilizer it will not start without a programmed chip. It is worth confirming this before paying for a copy.
Can you add a spare key while you are there?
Usually, yes. Making a spare while a working key or our equipment is already connected is typically easier than starting over after losing the only key. Ask when you call (323) 997-8867.
What proof of ownership will you ask for?
We will ask for reasonable documentation, such as your ID and the vehicle registration or title, so we are sure the car belongs to you before creating a key.
Do you work nights and weekends?
Yes. We are available 24/7. We do not make promises about specific arrival times, but you can call any hour at (323) 997-8867 and talk to us about your situation.
How is the price decided?
It depends on the vehicle, the type of key, whether you have a working key, how many keys you want, and where and when the service takes place. We will talk through these factors with you when you call.
DS

Reviewed by David Shar — Owner & Lead Technician

Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.

Last updated 2026-10-12.

Call (323) 997-8867 · Open 24/7