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Crenshaw Lock

Transponder Key Programming in Lancaster · 24/7 mobile

Transponder Key Programming in Lancaster, CA

Crenshaw Lock Company provides mobile transponder key programming in Lancaster, California, 24/7. We come to your car, whether it's at home, work or a parking lot, and program chip keys to your immobilizer. Call (323) 997-8867 to discuss your vehicle and get started.

  • Mobile to your Lancaster 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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A transponder key looks like an ordinary key, but inside the plastic head is a small chip that talks to your car's immobilizer. If the car doesn't recognize that chip, the engine may turn over and then die, or refuse to start at all. That's why a duplicate cut at a hardware counter often fails to start the vehicle: the blade fits the ignition, but the chip was never introduced to the car.

In Lancaster, we see this in very ordinary moments. Someone loses their only key at the Antelope Valley Fairgrounds, a family realizes the spare was never programmed, or a driver comes home to a stucco tract house in West Lancaster and can't find the key they used that morning. Because Crenshaw Lock Company is fully mobile, there is no shop to tow your vehicle to. The work happens where the car is parked.

We have served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built the business around doing this kind of work properly on the spot. Transponder programming depends on the make, model and year, so we start by asking about your vehicle, then explain what is realistically possible before any work begins. Call (323) 997-8867 at any hour.

How it works in Lancaster

  1. 1

    Tell us about the vehicle

    When you call (323) 997-8867, we ask for the make, model, year and whether you still have any working key. This tells us whether we're adding a spare, replacing a lost key, or dealing with an all-keys-lost situation, which can involve different steps.

  2. 2

    We come to you in Lancaster

    We are 24/7 and fully mobile, so we travel to wherever the car is: a driveway off Avenue J, a lot near The BLVD, or a roadside near Sierra Highway. We don't give arrival-time promises over the phone that we can't stand behind, but we'll keep you informed.

  3. 3

    Confirm ownership

    Before creating or programming a key, we need to verify that you are entitled to the vehicle. Expect to show identification and proof of ownership, such as registration or title. This protects you as much as it protects us.

  4. 4

    Cut or prepare the key

    If the key needs a blade, we cut it to match your ignition and doors. We then check that the blade turns smoothly and that the transponder chip is compatible with your vehicle's system.

  5. 5

    Program to the immobilizer

    Using professional diagnostic and programming equipment, we register the new key with the car's immobilizer. Depending on the vehicle, existing keys may need to be re-registered too, so we'll tell you if that applies.

  6. 6

    Test everything

    We start the engine with each key, test the door locks and any remote functions, and make sure you leave with keys that work reliably, not just once.

Need transponder key programming in Lancaster?

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

Call (323) 997-8867

What affects the price

  • Vehicle make, model and year, since some systems are far more involved to program than others.
  • Whether you have a working key already (adding a spare) or have lost every key, which changes the work required.
  • The type of key: a basic chip key, a remote-head key, or a smart or proximity key each differ in parts and procedure.
  • Whether the key blade must be cut or laser-cut, and whether the ignition or locks need attention.
  • Time of day and location, because we're available 24/7 and travel to you.

Why Lancaster chooses us

  • Fully mobile: we program keys at your vehicle, so you don't pay for a tow to a shop or dealer.
  • In business since 1987 and led by owner David Shar, so the work comes from long hands-on experience rather than a script.
  • Available 24/7, which matters when you're stranded after an event or late shift in the Antelope Valley.
  • We explain what is and isn't possible for your specific vehicle before starting, rather than promising everything over the phone.
  • We verify ownership before programming, a step that protects your vehicle from misuse.
  • We test every key before we leave, including the engine start and door functions.

Transponder Key Programming across Lancaster

Lancaster is a car-dependent city. The CA-14 (Antelope Valley Freeway) ties residents to jobs across the region, and the east-west grid of Avenue J, Avenue K and Avenue L carries daily trips between neighborhoods. When a key goes missing, getting around isn't optional, which is why mobile programming makes sense here. We work with drivers in The BLVD area, West Lancaster, East Lancaster, Quartz Hill and the Fox Field area.

Most calls come from the suburban tract neighborhoods built out from the 1980s through the 2000s, where cars sit in driveways and garages. A typical job might be a spare key for a household in ZIP code 93536 or a replacement for someone in 93534 near downtown whose only key disappeared. We also help people who are stuck at places like the Lancaster Performing Arts Center or the Antelope Valley Fairgrounds after an event, and drivers around William J. Fox Airfield.

If you're in 93535 or anywhere else in Lancaster, call (323) 997-8867. We're mobile only, with no storefront to visit, so we come to you instead. For many Lancaster households, having a programmed spare ready is the cheapest way to avoid an all-keys-lost situation later.

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 Lancaster locksmith services

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

Transponder Key Programming in Lancaster — FAQs

What is a transponder key?
It's a key with a small chip in the head that communicates with your car's immobilizer. The car starts only if it recognizes the chip's code. Call (323) 997-8867 if you're unsure whether your key has one.
Can you program a key if I lost all of mine in Lancaster?
In many cases, yes. All-keys-lost situations involve more steps than adding a spare, and results depend on the vehicle. Call (323) 997-8867 with your make, model and year and we'll tell you what's realistic.
Do I need to tow my car to you?
No. We're fully mobile and do the work at your vehicle, whether that's in a Lancaster driveway, a parking lot near The BLVD, or elsewhere.
Why won't a hardware-store copy start my car?
A basic copy duplicates the blade but not the chip's identity. The immobilizer needs the key to be programmed to the car, which requires proper equipment.
Do you work at night and on weekends?
Yes, we're available 24/7. We don't promise specific arrival times, but you can call (323) 997-8867 at any hour.
Will you need proof that the car is mine?
Yes. We verify ownership and identification before programming a key, usually with registration or title and a valid ID.
How is the price determined?
It depends on the vehicle, the type of key, whether you have a working key, and whether the blade needs cutting. We'll explain the factors when you call.
Is it worth getting a spare programmed now?
Usually. Adding a key while you still have a working one is generally simpler than starting from nothing. Call (323) 997-8867 to ask about your vehicle.
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