Lexus Lost Key Replacement
Nationwide Mail-In Key Programming, ECU & Immobilizer Reflash
Lost all your Lexus keys?
Many dealerships no longer service these older Lexus immobilizer systems, and replacement components may be discontinued or unavailable. Our mail-in reflash service preserves the original system whenever possible.
Ship us the required lock, ECU, or immobilizer module for your Lexus. We will reflash the ECU or immobilizer module to accept new keys, cut and pre-program your replacement keys, and return everything ready for installation.
Simply reinstall the components and use your new keys—plug-and-play.
No towing. No dealership visit. No unnecessary ECU, immobilizer module, or lock replacement. Specialized nationwide mail-in service for older Lexus vehicles.
Why Choose ACM Locksmith Group?
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35+ Years of Experience working Automotive & Motorcycles.
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700+ Real Jobs documented on video—see them on our YouTube channel.
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Nationwide, Tracked Shipping for your peace of mind.
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Fast Turnaround 3-5 days—get back on the road sooner.
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No Hidden Fees—Transparent, Upfront Pricing every time.
Lexus Key, ECU & Immobilizer Services
Lost All Keys - New Keys Cut & Programmed
We decode the existing lock cylinder and cut new keys to match the original key cuts, so your locks do not need to be changed. We then reflash the ECU or immobilizer module to accept the new keys—no original key required.
ECU & Immobilizer Module Reflash
We reflash your Lexus ECU or immobilizer module to accept newly programmed keys and return the system ready for installation.
Transponder Chip Keys
We cut and pre-program transponder chip keys for supported older Lexus models.
Spare & Broken Keys Replacedment
We duplicate working keys, clone transponder-chip data when needed, and can often create a replacement from a broken or damaged key.
Ignition Lock Rebuild & Repair
Is your Lexus ignition lock worn, seized, or difficult to turn? We can rebuild, repair, or replace the lock cylinder and match it to your key.
✔ 35+ Years Experience / ✔ Nationwide Mail-In Service / ✔ Fast Turnaround
/ ✔ 700+ Real Jobs Documented on Video / ✔ Tracked Shipping
Real Lexus jobs - from our YouTube channel
Visit our YouTube channel - 700+ Video's - 35+ years in the trade
Mail-in service - ship from anywhere in the US
5 simple steps — Turn around time 3-5 business days
(1) Fill out the service request form:
Tell us your Lexus year, model and how we can help you. Takes 2 minutes at:
www.acmlocksmithgroup.com/start
(2) We will contact you within 24-48 hours
You'll get a firm price via call, or text — whichever you prefer. No surprises, no estimates.
(3) Remove and ship your ignition cylinder
Box it up and ship to our Duluth, GA facility. USPS, UPS, or FedEx all work. We confirm when it arrives.
(4) We cut your new key, reflash and program everything
We handle the full process in-house and no outsourcing — key cutting, ecu, immobilizer sync, transponder programming. Most jobs done in 1–2 business days.
(5) We ship your cylinder and new keys back
Everything ships back to your door. Your Lexus will now start on the first turn.
Nationwide Mail-In Service — All 50 States
Need a replacement key and have no working copy? We handle lost key replacement, spare key duplication, and all keys lost situations by mail anywhere in the US.
We serve customers across all 50 states by mail — no matter where you are in the US, we can help.
West Coast:
California — Los Angeles · San Diego · San Francisco · Sacramento · Fresno · Long Beach | Oregon — Portland · Eugene · Salem | Washington — Seattle · Spokane · Tacoma | Nevada — Las Vegas · Reno
Midwest:
Illinois — Chicago · Springfield · Rockford | Michigan — Detroit · Grand Rapids · Lansing | Indiana — Indianapolis · Fort Wayne · South Bend | Missouri — Kansas City · St. Louis · Springfield | Ohio — Columbus · Cleveland · Cincinnati · Dayton | Wisconsin — Milwaukee · Madison · Green Bay | Minnesota — Minneapolis · St. Paul · Duluth | Iowa — Des Moines · Cedar Rapids | Nebraska — Omaha · Lincoln | Kansas — Wichita · Topeka | South Dakota — Sioux Falls | North Dakota — Fargo · Bismarck
Northeast:
New York — New York City · Buffalo · Rochester | Pennsylvania — Philadelphia · Pittsburgh · Allentown | Massachusetts — Boston · Worcester · Springfield | Maryland — Baltimore · Annapolis | New Jersey — Newark · Jersey City · Trenton | Connecticut — Hartford · New Haven · Bridgeport | Rhode Island — Providence · Warwick | Virginia — Richmond · Virginia Beach · Norfolk | Washington DC | Delaware — Wilmington | Maine — Portland · Bangor | New Hampshire — Manchester · Concord | Vermont — Burlington · Montpelier | West Virginia — Charleston · Huntington
South:
Texas — Dallas · Houston · San Antonio · Austin · Fort Worth · El Paso | Tennessee — Nashville · Memphis · Knoxville · Chattanooga | North Carolina — Charlotte · Raleigh · Durham · Greensboro | Georgia — Atlanta · Savannah · Augusta · Macon | Florida — Miami · Orlando · Jacksonville · Tampa · Fort Lauderdale · Tallahassee · Gainesville · Pensacola | Louisiana — New Orleans · Baton Rouge · Shreveport | Alabama — Birmingham · Mobile · Montgomery · Huntsville | South Carolina — Charleston · Columbia · Greenville | Mississippi — Jackson · Biloxi · Gulfport | Arkansas — Little Rock · Fayetteville | Oklahoma — Oklahoma City · Tulsa · Norman | Kentucky — Louisville · Lexington · Bowling Green
Mountain West:
Colorado — Denver · Colorado Springs · Boulder | Utah — Salt Lake City · Provo · Ogden | Arizona — Phoenix · Tucson · Scottsdale | New Mexico — Albuquerque · Santa Fe | Idaho — Boise · Idaho Falls | Montana — Billings · Missoula · Bozeman | Wyoming — Cheyenne · Casper
Pacific Islands, Alaska & Territories:
Alaska — Anchorage · Fairbanks · Juneau | Hawaii — Honolulu · Maui · Kona · Hilo | Guam — Hagatna | Puerto Rico — San Juan · Ponce | US Virgin Islands — Charlotte Amalie
If your local locksmith can't help — we can. Ship your parts to us and we'll have you back on the road riding again.
All we need is 3-5 business days and we ship back to you.
Common questions
FAQ — Lexus Lost Key Replacement
Do I need a working key to use this service?
No. We specialize in lost-all-keys situations. Ship us the door lock, ECU or immobilizer module and we work from that — no original key required at any point in the process.
Does the immobilizer module or ECU need to be reprogrammed too?
Yes — on most Lexus models the key and Ecu or immobilizer are electronically paired. We handle the full programming sequence so your vehicle starts and runs exactly as it should.
Is this cheaper than a dealer?
Yes, almost always significantly cheaper. Dealers charge full labor rates plus parts markup. We bundle labor and materials into one flat price with no dealer overhead — and you never have to tow the vehicle. In most cases dealers no longer service these vehicles because the ecu or immobilizer system parts are discontinued.
Do I need to send both the ECU or Immobilizer module and the door cylinder?
For lost-all-keys situations yes — we need both the ecu or immobilizer module and the door lock cylinder to generate a new working key from scratch. We will tell you exactly what to remove when we contact you after your form submission.
Do I need to tow the whole vehicle to you?
No — usually just the door lock cylinder and Ecu or immobilizer module. We'll tell you exactly what to remove and how to ship it when we contact you after your form submission.
Lexus models we service equipped with transponder system:
ES300 (1998-2003) · GS300 (1998-2003) · GS400 (1998-2000) · GS430 (2001-2002) · GX470 (2003-2004) · IS300 (2001-2003) · LS400 (1997-2000) · LS430 ( 2001-2004) · LX470 (1998-2004) · RX300 (1999-2003) · SC300 (1998-2000) · SC400 (1998-2000) · SC430 (2002-2003) and others. Not sure if your model is covered? Call or text us at 678-699-2634.
We reflash ECU's and Modules to accept new keys when OBD programmers can't.