Seguin,
where we dispatch.
Spot-On Automotive Diagnostics dispatches mobile module programming, ADAS calibration, key & immobilizer services, electrical diagnostics, and diesel work to repair shops, body shops, transmission shops, and dealerships in Seguin, Texas. Seguin is beyond our 20-mile free-dispatch zone; a $2.50 per-mile round-trip trip charge applies. Remote J2534 programming and mail-in bench service also available.
On-site programming at your bay.
Seguin is approximately 40 miles east of our San Antonio shop along I-10. We dispatch trade-partner work to Seguin bays for ECM/PCM programming, ADAS calibration, key & immobilizer service, electrical diagnostics, and diesel work. A $2.50 per-mile round-trip trip charge applies.
Diesel is a Spot-On specialty.
ASE Master Medium/Heavy Truck and ASE L2 Electronic Diesel Engine Diagnosis Specialist credentialed. We program Cummins via INSITE/Power Spec/Calterm, Duramax via GDS2/TIS2000, and Powerstroke via FDRS. Fleet partners with recurring volume — ask about partner pricing.
When dispatch isn't the right tool.
Remote J2534 programming through your shop's pass-thru device avoids the trip charge for single-module flashes. Mail-in bench service for boot-mode reads, cloning, EEPROM repair.
Dispatch us to your Seguin bay.
Call with the OEM, module, and fault codes. Same-day available for most platforms during business hours.