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Crenshaw Lock

Transponder Key Programming in Rowland Heights · 24/7 mobile

Transponder Key Programming in Rowland Heights, CA

Crenshaw Lock Company provides mobile transponder key programming in Rowland Heights, California, 24 hours a day, 7 days a week. We come to your vehicle and program chip keys to its immobilizer, so you never have to tow it. Call (323) 997-8867.

  • Mobile to your Rowland Heights 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 chip's code isn't recognized, the engine may turn over and then die, or not crank at all. That is why a copy cut at a hardware counter often opens the door but will not start the car. Programming is what pairs a key, cut or not, with your specific vehicle.

In Rowland Heights, this tends to come up at inconvenient moments: a spare key lost after a grocery run to Diamond Plaza or Hong Kong Plaza, the only key gone after a hike at Schabarum Regional Park, or a car that sat for months and now needs a fresh key. Because Crenshaw Lock Company is fully mobile, we bring the equipment to the car, wherever it is parked, rather than asking you to get it anywhere.

Owner and lead technician David Shar has been in the locksmith trade here since 1987. We are a mobile service only, with no storefront to visit. Call (323) 997-8867 any hour and we will talk through your vehicle, your situation, and what is involved.

How it works in Rowland Heights

  1. 1

    Tell us about the vehicle

    When you call (323) 997-8867, we ask for the make, model, and year, and whether you still have a working key. That tells us whether this is a simple added spare or a situation where every key has been lost.

  2. 2

    We come to your location

    We are fully mobile, so we travel to your driveway, a plaza parking lot off Colima Rd, or wherever the car is stuck. There is nothing to tow in most cases.

  3. 3

    Confirm ownership

    Before we program anything, we ask for proof that the vehicle is yours, such as registration and matching ID. It protects you as much as it protects us.

  4. 4

    Cut or prepare the key

    If the key needs cutting, we cut it to your vehicle's code or lock. If you already have a compatible transponder key or fob, we check that it can be used with your car.

  5. 5

    Program to the immobilizer

    We connect programming equipment to the vehicle and register the new key with the immobilizer. Where the system allows it, we can also remove lost keys from memory so they no longer start the car.

  6. 6

    Test everything

    We test the door, ignition, and any remote functions, and start the engine more than once with each key before we consider the job done.

Need transponder key programming in Rowland Heights?

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 far more involved than others.
  • Whether you have a working key or all keys are lost, which changes how the programming is done.
  • The type of key: basic transponder, laser-cut, flip key, or smart proximity fob.
  • How many keys you need programmed in one visit.
  • Whether the key must also be cut, or only programmed.
  • Time of day and your location within our service area, as we operate 24/7.

Why Rowland Heights chooses us

  • Fully mobile service, so your car stays where it is and the work happens on site.
  • Since 1987 in Greater Los Angeles and Ventura County, with owner David Shar leading the work.
  • Available 24/7, including nights and weekends when a lost key can't wait.
  • We discuss what is involved before work starts, with no promises about timing we can't keep.
  • We verify ownership before programming, which keeps your vehicle secure.
  • We test every key repeatedly before leaving, not just once.

Transponder Key Programming across Rowland Heights

Rowland Heights is a car-dependent community, with SR-60 running along its north edge and Colima Rd, Nogales St, Fullerton Rd, and Fairway Dr carrying daily traffic. Many people park at the busy plazas in Little Taipei, around the Colima and Nogales commercial core, where Diamond Plaza, Hong Kong Plaza, and Pearl Plaza draw shoppers and diners at all hours. A lost or failed key in one of those parking lots is a common reason to call us in ZIP code 91748.

Up in the Powder Canyon hillside tracts and around the Fairway Dr area, the two-story homes from the 1970s and 80s often have driveways on a slope and multiple drivers per household. Families commonly want a spare programmed before a key disappears, and we can do that right at the curb. Trailheads near Powder Canyon and Schabarum Regional Park are also places where keys get lost.

Whether you are a restaurant worker in a plaza at closing time or a resident on a hillside street, we come to you. Call (323) 997-8867 and tell us where the vehicle is parked.

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 Rowland Heights locksmith services

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

Transponder Key Programming in Rowland Heights — FAQs

Can you program a transponder key at my home in Rowland Heights?
Yes. We are fully mobile, so we come to your driveway or wherever the car is parked. Call (323) 997-8867 to get started.
I lost all my keys. Can you still help?
In many cases, yes. All-keys-lost situations take more work than adding a spare, but we can often cut and program a new key on site. Call (323) 997-8867 to discuss your vehicle.
Why won't my copied key start the car?
A copy that is only cut will open the door but lacks a chip paired to your immobilizer. It needs to be programmed to the car before the engine will run.
Do you offer service at night or on weekends?
Yes, we are available 24/7. If you are stuck in a plaza lot near Colima Rd late at night, call (323) 997-8867.
Will you ask for proof that the car is mine?
Yes. We verify ownership with registration and matching ID before programming a key. It is a standard safeguard for your vehicle.
Can lost keys be removed so they no longer start the car?
On many vehicles, the system can be reset so only the keys we program will start the car. Whether this is possible depends on the make, model, and year.
Do you have a shop I can visit?
No. We are mobile only, so there is no storefront. We travel to you anywhere in our service area.
How is the price determined?
It depends on the vehicle, the key type, how many keys you need, whether a key must be cut, and whether you have a working key. We can talk through it 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