At Precision Auto ECU, we specialize in ECU, TCU, EIS, ISM, ESL, BCM, repair, cloning, and programming services for nearly all makes and models. Guaranteed fast turnaround time.

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Why customers choose us:

•  Expertise You Can Trust – Years of hands-on experience with ECUs, TCUs, EIS, ISM, ESL and other automotive modules.

•  Fast Mail-In Service – Clear instructions, safe shipping, and quick turnaround so your vehicle is back on the road with minimal downtime.

• Dealer-Level Equipment – We use OEM-grade diagnostic and programming tools, ensuring factory-accurate results.

•  Cost-Effective Solutions – Avoid expensive dealership programming fees with our plug-and-play cloning and repair options.

•  Warranty & Reliability – Every job comes with a lifetime workmanship warranty for peace of mind.

• Wide Coverage – From domestic and Asian vehicles to high-end European brands, we support most ECUs on the market.

We don’t just fix ECUs — we give shops and car owners a hassle-free, professional solution that saves time, money, and stress.