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Toyota Automotive Locksmith San Antonio

S.A. Locksmith & Security is a licensed, insured, and locally owned automotive locksmith serving San Antonio, Texas and surrounding areas including Alamo Heights, Stone Oak, The Dominion, Helotes, Converse, Schertz, Cibolo, New Braunfels, and Boerne. We specialize in Toyota key replacement, key fob programming, transponder key cutting, and ECU module services for every Toyota model on the road today. Whether you need a spare key, lost all your keys, or need emergency lockout assistance, our mobile locksmiths come to you — home, office, or roadside — 24 hours a day, 7 days a week. We use professional Toyota Techstream and professional immobilizer programming tools to program keys at a fraction of dealer cost. Call (210) 348-3677 for fast, affordable Toyota locksmith service in San Antonio.

Licensed (LIC# B18010), insured, and BBB A+ rated, S.A. Locksmith & Security has been serving San Antonio since 2009. We back all work with a 90-day warranty on parts and labor plus manufacturer warranty on all hardware. Our no-damage guarantee means your vehicle is always safe in our hands. With response times under 20 minutes throughout San Antonio, we’re your fastest alternative to the dealership — at a fraction of the cost.

Toyota Key & Key Fob Replacement San Antonio

S.A. Locksmith & Security is your trusted source for Toyota key replacement services in San Antonio. We service all Toyota models — from classic Tercels and Celicas to modern Camrys, RAV4s, Tacomas, Tundras, and electric bZ4X vehicles. Our certified automotive locksmiths provide fast, professional key cutting, transponder programming, smart key fob services, and emergency lockout assistance. Whether your Toyota uses a 4C transponder, G-chip DST80, or the latest DST-AES 128-bit smart key system, we have the expertise and equipment to help.

Toyota Key & Fob Services

Toyota ECU & Module Services

S.A. Locksmith & Security provides comprehensive ECU, immobilizer, and electronic module services for all Toyota vehicles. From Denso TCCS EFI in classic models to the latest Dynamic Force and D-4ST platforms, we have the diagnostic tools and expertise to service every Toyota engine management system.

Key Reflash Service: Older Toyota models (late 1990s–early 2000s) with 4C/4D transponder systems may require an ECU key reflash when all keys are lost, the ECU is replaced, or the immobilizer loses programming. S.A. Locksmith & Security performs on-site Toyota key reflash and immobilizer recovery — no towing to the dealer required. Call (210) 348-3677 for same-day reflash service.

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Toyota Key Replacement FAQ

Toyota key replacement costs vary by model and key type. Standard transponder keys (TOY43) typically cost $150-$300. Smart key fobs with push-button start range from $250-$500. Newer models with DST-AES encryption may cost more. Contact S.A. Locksmith & Security at (210) 348-3677 for an exact quote.
Yes! S.A. Locksmith & Security has professional Toyota key programming equipment for all models and generations. We can cut, program, and register transponder keys and smart key fobs on-site. Our mobile service comes to you — no towing needed.
Toyota has used several key systems: non-transponder keys (pre-1998), Texas 4C chip (1998-2005), 4D-67 crypto (2003-2012), G-chip DST80 (2010-2015), H-chip AES 128-bit (2013+), and DST-AES/BA keys (2020+). The Supra uses a BMW-based system. We handle all of them.
Absolutely. We service all Toyota hybrid models (Prius, Camry Hybrid, RAV4 Hybrid, Highlander Hybrid, Sienna Hybrid, Venza) and the bZ4X electric vehicle. Hybrid and EV models use the same smart key systems as their gas counterparts.
Most Toyota key replacements take 30-60 minutes on-site. We carry TOY43, TOY44, and smart key blanks in stock for immediate service. Emergency lockout service is available 24/7 throughout San Antonio.

Note: Pricing and availability may vary. Smart key programming requires professional equipment. Some services may require vehicle VIN verification. All work is backed by our 90-day warranty on parts and labor and manufacturer warranty on hardware. S.A. Locksmith & Security — Licensed (LIC# B18010), Insured, BBB Accredited (A+ Rating). 11401 West Ave, San Antonio, TX 78213. All brand names, logos, and trademarks are the property of their respective owners. S.A. Locksmith & Security is an independent locksmith service provider and is not affiliated with any automobile manufacturer or dealership. 10% Military & Veteran Discount — show valid military ID at time of service.

Need Toyota Key & Key Fob Replacement in San Antonio?

S.A. Locksmith & Security provides professional Toyota key replacement, transponder programming, smart key service, and emergency lockout. Fast, reliable, affordable — we come to you.

Request a Locksmith

S.A. Locksmith & Security is a full-service, 24/7 locksmith located in San Antonio serving the greater SA area. No project is too big or too small.

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We Accept All Major Credit Cards

Disclaimer: S.A. Locksmith & Security is an independent locksmith service provider. Brand names and trademarks are the property of their respective owners. Pricing varies based on service complexity, time of day, and parts required. Call (210) 348-3677 for a detailed quote. Licensed & insured — TX DPS License #B18010.

Need Professional Locksmith Service?

S.A. Locksmith & Security provides fast, reliable locksmith services across San Antonio and surrounding areas. Available 24/7 for emergencies.