SIA Electronics (short for Southern Illinois Automotive Electronics) is a family-owned and operated vehicle computer repair and remanufacturing company headquartered in Tilden, Illinois, approximately 30 minutes from St. Louis, Missouri. Founded in 1992, SIA has grown into one of the most experienced automotive ECM and ECU repair specialists in the USA.
Specializing in ECM and ECU Repair
SIA Electronics repairs and remanufactures engine control modules (ECMs) and other electronic control units (ECUs) for a wide range of domestic and import vehicles. SIA also services Fuel Injection Control Modules (FICMs) and Transmission Control Modules (TCMs) on select vehicle models.
Every repair is handled by a team of technicians, all of whom hold electronics-related degrees or credentials from two- or four-year accredited colleges.
What Sets SIA Electronics Apart
There are a lot of ECM repair options out there. Here is what makes SIA Electronics different:
- 30+ years in business, with roots going back to 1989
- Repairs 12+ failure issues per ECM/ECU board (most competitors address only 2 to 3)
- Lifetime warranty on all repairs for the original owner
- Flat, transparent pricing with no surprise fees
- Free UPS Ground return shipping for customers in the contiguous 48 states
- Same-day response to inquiries received during business hours
- Family-owned and operated since our founding
How to Get Started
SIA Electronics operates as a mail-in service, shipping to and from customers nationwide. Call SIA Electronics first to confirm your part and receive proper mailing instructions. Repairs are typically completed within 5 to 6 business days of receipt, with free return shipping included.
Visit the SIA Electronics FAQ to learn more about the repair process, or contact SIA Electronics to speak with a team member before sending your part.
