At Precision ECM Repair, we specialize in professional GM ECM and TCM unlocking services for compatibility with HP Tuners. We support E41 ECM, E90 ECM, and T87 TCM unlock services for both gasoline and diesel applications, allowing full tuning access for performance modifications, custom calibrations, transmission tuning, diagnostics, and upgraded vehicle setups.

Whether you are upgrading your truck, modifying engine components, improving drivability, or preparing a vehicle for custom tuning, we provide dependable unlocking solutions with fast turnaround times and professional support. Our services are designed for tuners, repair shops, and individual vehicle owners looking for reliable ECM and TCM access for tuning and programming purposes.

We work with a wide range of GM platforms and performance setups, providing trusted solutions backed by real-world programming and diagnostic experience.