The Haltech Nexus S2 ECU Only — Wi-Fi, USB-C, onboard wideband. Haltech's mid-range Nexus ECU for custom wiring harness applications.
Features
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Wi-Fi and USB-C connectivity
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Onboard wideband O2 controller (LSU4.9)
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Advanced traction control and launch control
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Onboard data logging
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Bluetooth tuning support
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Suitable for custom harness builds
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Pairs with vehicle-specific Nexus harness adapters
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The core of Haltech's modern ECU lineup
