AlphaECU Plug and Play for Scion tC (2005–2010)
Unlock the full performance potential of your first-generation Scion tC with the AlphaECU Plug and Play—the ultimate upgrade for drivers who want more power, sharper response, and complete engine control without sacrificing OEM reliability.
Designed to plug directly into the factory harness, this ECU replaces the stock unit with zero wiring cuts or modifications. All factory systems continue working exactly as Toyota/Scion intended—from AC to gauge cluster and everything in between—while giving you access to powerful tuning features the original ECU simply can’t offer.
Whether your tC is turbocharged, supercharged, or naturally aspirated with bolt-ons, AlphaECU gives you the headroom, stability, and control needed for serious performance.
✅ Key Features
True Plug and Play
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Direct connection to the OEM harness
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Full retention of all stock functions and systems
Complete Factory System Integration
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Full compatibility with OEM sensors
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No MAF required — runs on Speed Density
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Precise fuel and ignition control
High-Performance Functionalities
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Built-in CAN for expandability
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Launch Control and Flat Shift for motorsport-level acceleration
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Flex Fuel support (E85 and blends) with automatic ethanol compensation
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Boost control for turbo/supercharged setups
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Map switching support
Motorsport-Grade Capabilities
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Live tuning with instant parameter adjustments
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Multiple extra inputs/outputs for sensors and custom accessories
Engineered for Power, Stability, and Reliability
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Ideal for turbo or any builds on the 2AZ-FE
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Stable under high load and high-RPM conditions
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Smooth daily-drivability with sharp performance response
Lifetime Warranty
Backed by AlphaX with lifetime protection against manufacturing defects.
Compatibility
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Scion tC 2005–2010 (2AZ-FE)
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Works with manual
Unlock what your Scion tC was meant to be.
With AlphaECU, you get a modern, powerful, fully tunable engine management solution that takes your build as far as you want to go.