San Antonio,
where we work.
Spot-On Automotive Diagnostics operates from 4715 N Stahl Park, Suite 105, San Antonio, TX 78217. We serve individual vehicle owners in-shop, by appointment, with manufacturer-grade diagnostic and module programming work most independent shops in San Antonio cannot perform. We do not dispatch mobile service to retail customers in San Antonio or anywhere else.
Where we work, what to expect.
Spot-On's shop is at 4715 N Stahl Park, Suite 105, San Antonio, TX 78217. Drop-off only, by appointment. We work on one vehicle at a time, properly. The shop is north of downtown, easy access from US 281 and Loop 410.
The work that ends with the dealer saying "we can't replicate it."
Most of our retail work is second-opinion diagnostic: a customer arrives with a $3,000+ dealer estimate or a vehicle three local shops couldn't fix. We diagnose with manufacturer-grade tools, deliver a written repair plan, and — in many cases — resolve the problem for a fraction of the dealer quote because the actual fix is software, programming, or a bench-level procedure, not part replacement.
Why owners drive across town to get here.
Tesla service with Toolbox 3 and Service Mode+. Land Rover and Jaguar with JLR Pathfinder. Porsche with PIWIS. Full diesel and heavy-duty with Cummins INSITE, Duramax GDS2, Powerstroke FDRS. NASTF Vehicle Security Professional credentials for legal access to manufacturer security gateways. ASE Master Auto + Master Medium/Heavy Truck + L1–L4 Advanced Specialist + 11 Ford FACT credentials.
Across the San Antonio metro.
- Stone Oak
- Alamo Heights
- Terrell Hills
- Olmos Park
- Leon Valley
- Castle Hills
- Shavano Park
- Hollywood Park
- Hill Country Village
- Helotes
Vehicle owners come to us from across the metro. Reminder: all retail service is in-shop only, by appointment — we do not dispatch mobile to retail customers.
Every San Antonio enclave, same two tracks.
Module programming in San Antonio runs on two tracks and the boundary never moves. Vehicle owners in every neighborhood below are served in-shop, by appointment, at 4715 N Stahl Park, Suite 105, San Antonio, TX 78217. Repair shops, body shops, transmission shops, and dealerships in the same neighborhoods are inside our included 20-mile travel radius, so trade dispatch to their bay carries no trip charge.
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Stone Oak
Stone Oak drivers book module programming in-shop by appointment at 4715 N Stahl Park, Suite 105; Stone Oak repair shops sit inside our included 20-mile travel radius, so trade dispatch carries no trip charge.
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Alamo Heights
Alamo Heights owners bring us module programming and second-opinion diagnostic work by appointment; shops in Alamo Heights are inside the included 20-mile travel radius and dispatch without a trip charge.
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Windcrest
Windcrest owners schedule module programming as an in-shop drop-off; Windcrest repair shops are inside the included 20-mile travel radius, so trade dispatch to the bay carries no trip charge.
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Kirby
Kirby vehicle owners bring module programming to our shop by appointment; Kirby shops are inside the included 20-mile radius and dispatch with no trip charge.
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Terrell Hills
For Terrell Hills, module programming for vehicle owners is done in-shop by appointment, while Terrell Hills shops are inside the included 20-mile radius with no trip charge on dispatch.
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Castle Hills
Castle Hills owners come to us for module programming by appointment at the shop; Castle Hills repair shops are inside the included 20-mile travel radius and dispatch with no trip charge.
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Olmos Park
Olmos Park vehicle owners schedule module programming as an in-shop appointment; Olmos Park shops are inside our included 20-mile travel radius, so dispatch carries no trip charge.
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Hollywood Park
Hollywood Park drivers book in-shop module programming by appointment; Hollywood Park shops are inside our included 20-mile travel radius, so trade dispatch carries no trip charge.
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Shavano Park
Shavano Park vehicle owners get module programming in our shop, by appointment; Shavano Park shops fall inside the included 20-mile radius and dispatch without a trip charge.
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Hill Country Village
Hill Country Village owners arrange module programming as an in-shop appointment; shops in Hill Country Village are inside the included 20-mile travel radius, with no trip charge on dispatch.
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Balcones Heights
Balcones Heights vehicle owners bring module programming jobs to the shop by appointment; Balcones Heights repair shops are inside our included 20-mile travel radius, so dispatch carries no trip charge.
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Garden Ridge
Garden Ridge owners book module programming in-shop by appointment; Garden Ridge shops are inside the included 20-mile radius and dispatch with no trip charge.
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Timberwood Park
Timberwood Park drivers schedule module programming as an in-shop drop-off; Timberwood Park shops are inside the included 20-mile travel radius, so trade dispatch carries no trip charge.
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China Grove
China Grove vehicle owners come in by appointment for module programming; China Grove shops are inside our included 20-mile travel radius and dispatch without a trip charge.
Do you do module programming in Stone Oak / Alamo Heights / Windcrest?
Yes. Vehicle owners in Stone Oak, Alamo Heights, and Windcrest book module programming in-shop, by appointment, at 4715 N Stahl Park, Suite 105, San Antonio, TX 78217. Repair shops, body shops, and dealerships in those areas are inside our included 20-mile travel radius, so trade dispatch to the bay carries no trip charge. We program ECM, PCM, TCM, BCM, ABS, SRS/airbag, instrument cluster, and body controllers with OEM tooling.
Is there a trip charge inside San Antonio?
For repair shops, no. San Antonio and its enclaves, from Windcrest, Kirby, Terrell Hills, Castle Hills, and Olmos Park to Hollywood Park, Shavano Park, Hill Country Village, Balcones Heights, Garden Ridge, Timberwood Park, China Grove, Stone Oak, and Alamo Heights, are inside our included 20-mile travel radius, so trade dispatch carries no trip charge. The $2.50/mi round-trip charge applies only beyond 20 road miles from the shop. Vehicle owners are never dispatched to; retail work is in-shop, by appointment, with no trip charge.
Can I drive in from outside San Antonio?
Yes. Vehicle owners from Boerne, New Braunfels, Schertz, Selma, Universal City, Bulverde, Helotes, Cibolo, Converse, Live Oak, Leon Valley, Seguin, and anywhere else in the region are welcome to drive in. Retail service is in-shop, by appointment, at 4715 N Stahl Park, Suite 105, San Antonio, TX 78217. We do not dispatch mobile service to vehicle owners. Tell us what the vehicle is doing when you book so the right OEM tooling is ready before you arrive.
Which modules can you program in-shop?
ECM, PCM, TCM, BCM, ABS, SRS/airbag, instrument cluster, and body controllers, including variant coding, cloning, virginizing, software corrections, and EEPROM/module repair. Tooling is OEM: BMW ISTA, Mercedes XENTRY, VAG ODIS and ODIS-E, Porsche PIWIS, JLR Pathfinder, Ford FDRS, GM GDS2/Tech 2, Stellantis wiTECH, Toyota GTS+, Honda HDS. Key and immobilizer programming, ADAS calibration, and Mercedes-Benz ESL emulator work are also done in-shop. Retail work is by appointment.
Book an in-shop appointment.
Drop-off only, by appointment. Tell us what the vehicle is doing and we'll have the right tools ready before you arrive.