Hummer H3 Key & Key Fob Replacement San Antonio
Hummer H3 Locksmith San Antonio
S.A. Locksmith & Security provides professional Hummer H3 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 GM Tech2 and SPS diagnostic programming tools to cut and program your Hummer H3 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.
Hummer H3 Key & Key Fob Replacement San Antonio
S.A. Locksmith & Security provides professional Hummer H3 key and key fob replacement and programming services in San Antonio, Texas. Our certified automotive locksmiths specialize in Hummer Passkey III+ (PK3+) Philips 46 Encrypted systems, offering complete key cutting, transponder programming, and ignition service for all H3 model years (2006-2010). We serve San Antonio, New Braunfels, Schertz, Cibolo, and surrounding areas.
Hummer H3 Technical Specifications
- Year Range: 2006-2010
- Engine: 3.5L I5 Vortec (L52, 2006-2007) / 3.7L I5 Vortec (LLR, 2008-2010) / 5.3L V8 Vortec (LH8, H3 Alpha)
- Fuel: Gasoline
- ECU / Computer: AC Delco E83B (L52/LLR I5) / AC Delco E38 (LH8 5.3L V8 Alpha)
- Immobilizer: Passkey III+ (PK3+) Philips 46 Encrypted
- Key Type: Transponder Key B111-PT
- Key Blank + ILCO: B111-PT — ILCO: B111-PT / EK3P-B111/EK3LB-B111
- Transponder Chip: Philips 46 Encrypted
- Start Method: Turn Key
Hummer H3 Key & Ignition Services
- Hummer H3 Key Cutting
- Hummer H3 Key Programming
- Transponder Key Replacement
- All Keys Lost Solutions
- Emergency Lockout 24/7
- Ignition Repair & Replacement
- GM Passlock/Passkey Reset
- Mobile Service — San Antonio area
Hummer H3 ECU & Module Services
The Hummer H3 uses the AC Delco E83B (L52/LLR I5) / AC Delco E38 (LH8 5.3L V8 Alpha) engine control unit. S.A. Locksmith & Security offers comprehensive ECU and module services for the H3.
- ECU / ECM Cloning & Replacement
- TCM (Transmission Control Module) Service
- BCM (Body Control Module) Programming
- Immobilizer Module Service & Reset
- VIN Programming & Module Initialization
- Key Programming & Re-learn Procedures
- GM Anti-Theft System (Passlock/Passkey) Bypass & Reset
- Diesel Injection Controller Service
Why Choose S.A. Locksmith for Your Hummer H3?
- Licensed & Insured Texas Locksmith
- GM-Certified Programming Equipment
- 24/7 Emergency Mobile Service
- Same-Day Service Available
- OEM & Aftermarket Key Options
- Competitive Pricing — 30-50% Less Than Dealer
Other Hummer Key Replacement Products
Hummer H3 Key & Key Fob Replacement FAQ
Pricing depends on year and key type: standard keys $65-$120, transponder keys $120-$180. Call (210) 348-3677 for your exact H3 quote.
Yes! S.A. Locksmith & Security handles all-keys-lost situations for Hummer H3 models with Passlock, PK3, and PK3+ key systems.
Most H3 key replacements are completed in 30-60 minutes on-site with our mobile service.
Yes, we program all Hummer H3 transponder keys with Megamos 48 and Philips 46 chips using GM-certified equipment.
Yes, typically 30-50% less than dealer pricing with faster turnaround and convenient mobile service throughout San Antonio.
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.
We Accept All Major Credit Cards
- 24/7 Emergency Service — day or night
- Licensed & Insured — Texas DPS License #B17236
- Free Estimates — transparent pricing
- 15-Minute Response — fast arrival
- Satisfaction Guaranteed — 90-day warranty
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 Hummer H3 Key or Key Fob Replacement in San Antonio?
Contact S.A. Locksmith & Security for professional Hummer H3 key and key fob replacement. 24/7 emergency service.
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