Toyota Highlander Key Services | S.A. Locksmith San Antonio

Toyota Highlander Locksmith San Antonio

S.A. Locksmith & Security provides professional Toyota Highlander key and key fob replacement in San Antonio, Texas and surrounding areas including Alamo Heights, Stone Oak, The Dominion, Helotes, Converse, Schertz, Cibolo, New Braunfels, and Boerne. As a licensed and insured mobile locksmith, we come directly to your location — home, work, or roadside — for fast, same-day service. Our technicians use Toyota Techstream and professional immobilizer programming tools to cut and program your Toyota Highlander key at a fraction of dealership pricing. Available 24/7 for emergencies. Call (210) 348-3677 for a free quote.

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 Highlander Key Replacement San Antonio

S.A. Locksmith & Security provides professional Toyota Highlander key replacement, transponder programming, smart key services, and emergency lockout assistance in San Antonio. The Toyota Highlander (2001-2025) uses 2.4L I4 (2AZ-FE) / 3.0L V6 (1MZ-FE) / 3.3L V6 (3MZ-FE) / 3.5L V6 (2GR-FE/2GR-FKS) / 2.5L I4 Hybrid (A25A-FXS) / 2.4L Turbo Hybrid (T24A-FTS + HV) engines with Denso TCCS EFI (1MZ) / Denso VVT-i EFI (2AZ/3MZ/2GR) / Denso D-4S VVT-iE (2GR-FKS) / Denso Dynamic Force Atkinson + HV ECU (A25A-FXS) / Denso D-4ST + HV ECU (T24A-FTS) engine management. Our certified automotive locksmiths have the tools and expertise to cut, program, and replace keys for every Toyota Highlander generation.

Toyota Highlander Technical Specifications

Year Range: 2001-2025
Engine: 2.4L I4 (2AZ-FE) / 3.0L V6 (1MZ-FE) / 3.3L V6 (3MZ-FE) / 3.5L V6 (2GR-FE/2GR-FKS) / 2.5L I4 Hybrid (A25A-FXS) / 2.4L Turbo Hybrid (T24A-FTS + HV)
Fuel: Petrol / Hybrid
ECU: Denso TCCS EFI (1MZ) / Denso VVT-i EFI (2AZ/3MZ/2GR) / Denso D-4S VVT-iE (2GR-FKS) / Denso Dynamic Force Atkinson + HV ECU (A25A-FXS) / Denso D-4ST + HV ECU (T24A-FTS)
Immobilizer: Engine Immobilizer System (4C 2001-2003 / 4D-67 2004-2009 / G-chip DST80 2008-2013 / H-chip AES 128-bit 2014+)
Key Type: Transponder Key TOY43 (2001-2007) / Smart Key Fob with Emergency Blade (2008+)
Key Blank: TOY43 (ILCO: TOY43AT4 / TOY44D-PT / TOY44G-PT / TOY44H-PT)
Transponder: Texas 4C (2001-2003) / Texas Crypto 4D-67 (2004-2009) / G-chip DST80 (2008-2013) / H-chip AES 128-bit (2014+)
Start Method: Traditional Key (2001-2007) / Smart Key Push-Button Start (2008+)

Toyota Highlander Key & Fob Services

Toyota Highlander ECU & Module Services

S.A. Locksmith & Security offers ECU and immobilizer module services for the Toyota Highlander. This model uses Denso TCCS EFI (1MZ) / Denso VVT-i EFI (2AZ/3MZ/2GR) / Denso D-4S VVT-iE (2GR-FKS) / Denso Dynamic Force Atkinson + HV ECU (A25A-FXS) / Denso D-4ST + HV ECU (T24A-FTS) engine management with Engine Immobilizer System (4C 2001-2003 / 4D-67 2004-2009 / G-chip DST80 2008-2013 / H-chip AES 128-bit 2014+) security.

Key Reflash Service: The Toyota Highlander uses a 4C/4D transponder immobilizer system that may require an ECU key reflash when all keys are lost, the ECU is replaced, or the immobilizer loses its key registration. S.A. Locksmith & Security performs on-site Toyota Highlander key reflash and immobilizer recovery throughout San Antonio — no dealer visit required.

Why Choose S.A. Locksmith for Toyota Highlander Keys

S.A. Locksmith & Security is San Antonio’s trusted Toyota key specialist. We carry genuine-quality TOY43, TOY44, and smart key fob blanks in stock for immediate service. Our certified technicians use professional-grade key programming tools to handle all Toyota immobilizer generations — from early 4C transponders to the latest DST-AES 128-bit smart key systems.

We offer mobile service throughout San Antonio, so there’s no need to tow your Toyota Highlander to the dealer. We come to you — fast, reliable, and affordable.

Our No-Damage Guarantee: Unlike towing your vehicle to a dealership, our mobile locksmiths use professional-grade, non-destructive tools and techniques to service your vehicle on-site. We guarantee no damage to your vehicle during any lockout, key replacement, or programming service. With response times under 20 minutes throughout the San Antonio area and 24/7 emergency availability, we get you back on the road fast — backed by our 90-day warranty on parts and labor.

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Toyota Highlander Key Replacement FAQ

How much does a Toyota Highlander key replacement cost?

Toyota Highlander key replacement costs depend on the year and key type. Traditional transponder keys typically range from $150-$300, while smart key fobs range from $250-$500. The Texas 4C (2001-2003) / Texas Crypto 4D-67 (2004-2009) / G-chip DST80 (2008-2013) / H-chip AES 128-bit (2014+) transponder system used in your Highlander determines the exact cost. Contact S.A. Locksmith & Security at (210) 348-3677 for an exact quote.

Can you program a Toyota Highlander key without the dealer?

Yes! S.A. Locksmith & Security has professional Toyota key programming equipment to handle all Highlander model years. We can program transponder keys and smart key fobs on-site without a dealer visit. Our mobile service comes to your location in San Antonio.

What type of key does my Toyota Highlander use?

The Toyota Highlander (2001-2025) uses Transponder Key TOY43 (2001-2007) / Smart Key Fob with Emergency Blade (2008+). The key blank is TOY43 with Texas 4C (2001-2003) / Texas Crypto 4D-67 (2004-2009) / G-chip DST80 (2008-2013) / H-chip AES 128-bit (2014+) transponder technology. The start method is Traditional Key (2001-2007) / Smart Key Push-Button Start (2008+).

Do you handle Toyota Highlander all-keys-lost situations?

Absolutely. We specialize in all-keys-lost situations for the Toyota Highlander. Using professional diagnostic tools, we can read the immobilizer data, cut a new key, and program it from scratch. This service is available 24/7 for emergencies.

How long does Toyota Highlander key replacement take?

Most Toyota Highlander key replacements take 30-60 minutes on-site. Traditional transponder keys are typically faster (20-30 min), while smart key fobs may take slightly longer for programming. We carry Toyota key blanks in stock for same-day service.

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.

📞 (210) 348-3677

We Accept All Major Credit Cards

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 Highlander Key Replacement in San Antonio?

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