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Crenshaw Lock

Transponder Key Programming in Northridge · 24/7 mobile

Transponder Key Programming in Northridge, California

Crenshaw Lock Company provides 24/7 mobile transponder key programming in Northridge, California. We come to your car, whether at home, campus, or a parking lot, and program chip keys to your immobilizer so they start the engine. Call (323) 997-8867 any hour.

  • Mobile to your Northridge 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
Open now(323) 997-8867

If your car key has a chip inside, copying the metal blade is only half the job. The vehicle's immobilizer has to recognize the transponder before the engine will run. That is why a hardware-store duplicate may open the door but leave you with a dash light and a car that won't start. Programming pairs a new key electronically with your specific vehicle.

In Northridge, we see this need in a few typical situations: a student at CSUN who lost the only key and is stuck in a parking structure, a family on a quiet Devonshire-area street whose spare was never made, or a shopper at Northridge Fashion Center who dropped a key fob somewhere between the car and the mall. Because we are fully mobile, there is no shop to tow your car to. The work happens where the vehicle sits.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead technician David Shar. We are available around the clock, and we will tell you plainly what your vehicle needs before any work begins, including whether a simple extra key or a full all-keys-lost situation applies.

How it works in Northridge

  1. 1

    You call and describe the vehicle

    Call (323) 997-8867 and tell us the make, model, and year, where the car is parked, and how many working keys you still have. That tells us whether this is an added spare or an all-keys-lost job, which changes the approach.

  2. 2

    We confirm ownership

    Before we cut or program anything, we ask for identification and proof the vehicle is yours, such as registration or title. It protects you and keeps programming equipment from being used on someone else's car.

  3. 3

    We come to your location

    Our technician drives to you with cutting and programming equipment. Whether you're in a student apartment lot off Reseda Blvd, a driveway in Sherwood Forest, or a hospital parking area, the work is done on site.

  4. 4

    Key cutting and chip preparation

    If the key needs a blade, we cut it to the vehicle's code. We then check that the transponder chip or fob is compatible with your car's immobilizer system before attempting to pair it.

  5. 5

    Immobilizer programming

    We connect to the vehicle and register the new key so the engine recognizes it. Depending on the vehicle, existing keys may be kept or re-registered as part of the process.

  6. 6

    Testing everything

    We test the door function, ignition, and any remote buttons, and start the engine more than once. You leave knowing every key we programmed works.

Need transponder key programming in Northridge?

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 immobilizer systems are far more involved to program than others
  • Whether you have a working key already (adding a spare) or have lost every key
  • The type of key: a basic chip key, a flip key, a proximity fob, or a smart key with remote functions
  • Whether the key blade must be cut, including laser-cut or high-security styles
  • How many keys you need programmed in the same visit
  • Time of day and how urgently you need service, since we operate around the clock

Why Northridge chooses us

  • Fully mobile: we work at your vehicle, so you never have to arrange a tow just to get a key made
  • Available 24/7, including late nights near campus or after a hospital shift
  • Operating in Greater Los Angeles and Ventura County since 1987, with David Shar leading the work
  • We verify ownership first, and we explain what is needed before we start
  • We handle the whole job, from blade cutting to immobilizer pairing and testing, in one visit where the vehicle allows
  • No storefront overhead to navigate: you call, we drive to you, and the work is done at your car

Transponder Key Programming across Northridge

Northridge is a car-dependent part of the northwest San Fernando Valley, and that shapes how key problems show up. Students and staff at California State University, Northridge park all over the university district, and lost keys tend to surface at odd hours around finals or move-in. Residents of the Devonshire residential area and Northridge Village often keep one key per car because the spare seemed unnecessary until it wasn't. A programmed spare costs far less in stress than an all-keys-lost call.

We travel the corridors you use every day: Reseda Blvd, Nordhoff St, Devonshire St, Plummer St, Lassen St, Balboa Blvd, Tampa Ave, Zelzah Ave, Roscoe Blvd, and the Ronald Reagan Fwy (SR-118). Whether you are near Northridge Hospital Medical Center, in Sherwood Forest where larger lots and horse properties mean long driveways, or in an apartment complex ringing campus, we bring the equipment to the car.

We serve ZIP codes 91324, 91325, 91327, 91328, and 91330. If you are parked in 91330 on campus or in 91325 near Reseda Blvd and need a chip key programmed, call (323) 997-8867 and we will arrange mobile service to your exact location.

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 Northridge locksmith services

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

Transponder Key Programming in Northridge — FAQs

What is transponder key programming?
Many modern car keys have a small chip that talks to the vehicle's immobilizer. Programming registers that chip with your car so the engine will start. Without it, even a perfectly cut key will not run the car.
Can you program a key if I lost all my keys in Northridge?
In most cases, yes. It is a more involved job than adding a spare, but we come to your car and handle it on site. Call (323) 997-8867 with your vehicle details and we will tell you what to expect.
Do I need to tow my car to you?
No. We are fully mobile and have no storefront, so we come to wherever the vehicle is parked, whether at home, on the CSUN campus, or at a shopping center.
Will you need proof that the car is mine?
Yes. We ask for identification and proof of ownership, such as registration or title, before cutting or programming a key. It protects owners from theft.
Is a cheaper online or hardware-store key okay?
Sometimes, but compatibility varies. Some blank chips cannot be programmed to certain vehicles. If you bought a key already, call (323) 997-8867 before ordering more so we can tell you if it is likely to work.
Can you program a key fob remote as well?
Often yes. Many keys combine the transponder and remote buttons. Whether we can pair both depends on your vehicle, which we confirm when you describe it.
Do you work late at night or on weekends?
Yes. We operate 24/7, so a lost key at midnight near campus or on a Sunday is something we can help with. Call us any time.
How is the price determined?
It depends on your vehicle, the type of key, whether you have an existing working key, how many keys you need, and when you need service. We explain the factors before we begin so there are no surprises.
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