ECU Cloning & Programming Services San Antonio

At S.A. Locksmith & Security, we provide comprehensive ECU cloning, programming, and module services for all vehicle makes and models in San Antonio, Texas. Whether your Engine Control Unit (ECU) is damaged, malfunctioning, or needs replacement after a security module swap, our certified technicians clone and program ECUs from all major manufacturers including Bosch, Denso, Continental, Siemens/VDO, Delphi, Hitachi, and Magneti Marelli. We work with all immobilizer systems — BMW EWS/CAS/FEM/BDC, Mercedes EIS/EZS, Ford PATS, GM Passlock/Passkey/VATS, Toyota Smart Key, Honda HISS, Nissan NATS, and more. Our mobile service covers San Antonio, New Braunfels, Schertz, Cibolo, Boerne, and surrounding areas with 24/7 availability.

What Is ECU Cloning?

ECU cloning (also called ECU copying or mirroring) is the process of reading all data from your vehicle’s current Engine Control Unit and writing it onto a replacement module. This preserves your car’s original calibration data, immobilizer codes, VIN encoding, mileage data, and all learned adaptations — eliminating the need for costly dealer-only reprogramming. ECU cloning is essential when:

Your original ECU has failed or suffered water/heat damage
You’re replacing a used ECU and need it matched to your vehicle
The immobilizer system needs to be synchronized with a new module
A software update has bricked your ECU (failed flash recovery)
You need a backup copy of your ECU data for protection

ECU & Module Services We Offer

S.A. Locksmith & Security offers a full range of automotive ECU and electronic module services. Click any service below for detailed information on vehicle coverage and pricing.

ECU Brands & Systems We Service

Our technicians are trained and equipped to work with all major ECU manufacturers and systems:

Bosch — ME7, ME9, MED9, MED17, MG1, MD1, EDC15, EDC16, EDC17 (BMW, Mercedes, VW/Audi, Porsche, GM, Ford, FCA)
Denso — ECM, PCM (Toyota, Lexus, Mazda, Subaru, Suzuki)
Continental / Siemens VDO — Simos, SID, EMS, TPROT (VW/Audi, Ford, BMW, PSA)
Delphi / ACDelco — E67, E78, E80, E87, E92 (GM, Chevrolet, Cadillac, Buick, GMC, Pontiac, Saturn, Hummer)
Hitachi — ECM (Nissan, Infiniti, select Mazda, Subaru)
Magneti Marelli — IAW (FCA/Stellantis, Jeep, Dodge, Chrysler, RAM, Ferrari, Maserati)
Motorola / Freescale — MCU processors in many ECU platforms
ZF / Aisin / Getrag / Jatco — Transmission Control Modules (TCM) across all brands
TRW / Continental — ABS, ESC, stability control modules
Hella / Valeo — Body Control Modules (BCM), lighting modules
Autoliv / ZF TRW — Airbag (SRS) control modules

Vehicle Brands We Service

We service ECUs for virtually every vehicle make and model on the road. If your vehicle isn’t listed below, contact us — we’re continually expanding our capabilities.

Popular Car Brands

Toyota: Corolla, Camry, RAV4, Highlander, Tundra, Tacoma, Prius, 4Runner, Sequoia, Sienna
Honda: Civic, Accord, CR-V, Pilot, Odyssey, Ridgeline, HR-V, Passport
Ford: F-150, Explorer, Escape, Mustang, Edge, Fusion, Expedition, Ranger, Bronco, Transit
Chevrolet: Silverado, Malibu, Equinox, Tahoe, Traverse, Colorado, Camaro, Suburban, Blazer
Nissan: Altima, Maxima, Sentra, Rogue, Pathfinder, Murano, Frontier, Titan, Kicks
Hyundai: Elantra, Sonata, Tucson, Santa Fe, Kona, Palisade, Ioniq, Venue
Kia: Sorento, Sportage, Optima/K5, Forte, Soul, Telluride, Seltos, Carnival
Volkswagen: Golf, Jetta, Passat, Tiguan, Atlas, ID.4, Taos, Arteon
Mazda: CX-5, CX-9, CX-30, CX-50, Mazda3, Mazda6, MX-5 Miata
Subaru: Outback, Forester, Impreza, Crosstrek, WRX, Legacy, Ascent

Luxury & Performance Vehicles

BMW: 3 Series, 5 Series, 7 Series, X3, X5, X7, Z4, M3, M5
Mercedes-Benz: C-Class, E-Class, S-Class, GLC, GLE, GLS, G-Wagon, AMG
Audi: A3, A4, A6, A8, Q5, Q7, Q8, TT, R8, e-tron
Lexus: ES, IS, GS, RX, NX, GX, LX, LS, LC
Porsche: Cayenne, Panamera, Macan, 911, Taycan, Boxster
Land Rover / Range Rover: Evoque, Discovery, Sport, Velar, Defender, Range Rover
Jaguar: XE, XF, F-Pace, I-Pace, F-Type, E-Pace
Infiniti: Q50, Q60, QX50, QX60, QX80
Acura: TLX, MDX, RDX, ILX, NSX, Integra
Volvo: XC40, XC60, XC90, S60, S90, V60, V90

Trucks, SUVs & Commercial Vehicles

RAM: 1500, 2500, 3500, ProMaster
GMC: Sierra, Yukon, Acadia, Canyon, Terrain, Savana
Jeep: Wrangler, Grand Cherokee, Cherokee, Gladiator, Compass, Renegade
Dodge: Charger, Challenger, Durango, Journey, Grand Caravan
Chrysler: 300, Pacifica, Voyager
Lincoln: Navigator, Aviator, Corsair, Nautilus
Cadillac: Escalade, CT5, CT4, XT5, XT6, Lyriq
Buick: Enclave, Encore, Envision, LaCrosse

Additional Brands

Mitsubishi: Outlander, Eclipse Cross, Mirage, Montero
Genesis: G70, G80, G90, GV70, GV80
MINI: Cooper, Countryman, Clubman
Fiat: 500, 500X, 500L
Alfa Romeo: Giulia, Stelvio
Maserati: Ghibli, Levante, Quattroporte
Classic / Discontinued: Pontiac, Oldsmobile, Saturn, Mercury, Hummer, Saab, Suzuki, Scion, Plymouth

Benefits of ECU Cloning & Programming

How ECU Cloning Works

Contact Us — Call (210) 348-3677 or message us with your vehicle’s year, make, model, and a description of the ECU issue.
Diagnosis & Assessment — We identify which module needs service, verify compatibility, and provide an upfront quote.
ECU Read & Clone — Using professional-grade tools (KTAG, KessV2, AVDI, Autel), we read your original ECU data and clone it to the replacement unit.
Installation & Verification — The cloned ECU is installed, all systems verified, and immobilizer synchronized.

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ECU Cloning & Programming FAQ

How much does ECU cloning cost?

ECU cloning pricing varies by vehicle make, model, and ECU type. Standard ECU cloning ranges from $250-$600. Luxury vehicles (BMW, Mercedes, Audi) and specialized modules may be $400-$900. Call (210) 348-3677 for your exact quote — we always provide upfront pricing before starting work.

What is the difference between ECU cloning and ECU programming?

ECU cloning copies all data (calibration, VIN, immobilizer codes, mileage) from one unit to another — the replacement becomes an exact copy. ECU programming involves writing new software/calibration to an ECU, which may require dealer-level reprogramming of the immobilizer system. Cloning is faster and more affordable when your original ECU data is available.

Can you clone an ECU if my original is completely dead?

In many cases, yes. Even if the ECU doesn’t power on, we can often read data directly from the EEPROM or flash memory chip using bench tools (KTAG, AVDI). If the memory is physically destroyed, we may need to program a new ECU from scratch, which requires immobilizer recoding — we handle that too.

Do you work on all car brands?

Yes. We service ECUs from all major manufacturers including Toyota, Honda, Ford, Chevrolet, Nissan, Hyundai, Kia, BMW, Mercedes-Benz, Audi, VW, Jeep, Dodge, RAM, Chrysler, Subaru, Mazda, Lexus, Infiniti, Acura, Land Rover, Jaguar, Porsche, Volvo, and more. We also work with discontinued brands like Pontiac, Saturn, Mercury, Oldsmobile, and Hummer.

How long does ECU cloning take?

Most ECU cloning jobs are completed in 1-3 hours. Complex modules (BMW FEM/BDC, Mercedes EIS) may take longer. We offer same-day mobile service throughout San Antonio and surrounding areas.

Is ECU cloning legal?

Yes, ECU cloning for repair and replacement purposes is completely legal. It is the same process authorized service centers use. We maintain all original vehicle data including accurate mileage — we do not modify odometer readings or emissions calibrations.

What tools do you use for ECU cloning?

We use professional-grade diagnostic and programming tools including KTAG, KessV2, AVDI/Abrites, Autel IM608/MaxiSys, AutoHex II, Xhorse VVDI, and manufacturer-specific OEM software. This ensures accurate reading, writing, and verification across all ECU platforms.

Do you offer mobile ECU cloning service?

Yes! Our mobile technicians come to your location anywhere in San Antonio, New Braunfels, Schertz, Cibolo, Boerne, and surrounding areas. For bench work (removed ECU), you can also bring the module to our shop at 11401 West Ave, San Antonio, TX 78213.

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 ECU Cloning or Module Programming in San Antonio?

Contact S.A. Locksmith & Security for professional ECU cloning, programming, and module services. All vehicle brands supported. 24/7 emergency service available.

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

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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.

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