Haltech NEXUS T2 (ECU Only) - HT-211000

The Haltech NEXUS T2 (ECU Only) – HT-211000 is a compact, stand-alone Haltech ECU engineered as the successor to the popular Elite 750, built for basic street-performance and EFI conversion applications. This universal engine management unit suits 1-6 cylinder piston engines or up to 3-rotor rotary combinations, running naturally aspirated or forced induction setups, and gives tuners full control over fuel, ignition, and boost from one environmentally sealed package.

Whether you're converting a carbureted engine to EFI or replacing an aging factory or aftermarket ECU, the NEXUS T2 pairs Haltech's proven single-connector reliability with the new Nexus Software Programmer (NSP) for a streamlined tuning experience.

Key Features & Benefits

• Supports up to 6-cylinder or 3-rotor engines, NA or forced induction, giving flexibility across a wide range of street builds
• Load sensing via TPS, MAP, or MAF with sequential, semi-sequential, batch, or multipoint injection patterns for precise fuel control
• Waterproof IP-66 rated case with a 34-position Superseal connector for durability in real-world engine bay conditions
• 6 fuel injection outputs and 6 ignition outputs (peak and hold, 8A peak / 2A hold) to run direct fire multi-coil, distributor, or Haltech CDI ignition systems
• Internal 4 Bar MAP sensor and onboard 32MB logging plus a 4-channel onboard oscilloscope for in-depth diagnostics without extra hardware
• Closed-loop O2 control with long-term learning and closed-loop boost control with user-definable correction axes (boost by gear, road speed, etc.)
• Flex fuel function via direct sensor input lets you tune fuel and ignition to ethanol content automatically
• 4D tuning tables with up to 32x32x8 resolution plus 3D per-cylinder compensation for advanced calibration flexibility
• CAN Bus connectivity for a Haltech dash, external wideband controllers, EGT expansion modules, and OBDII diagnostics
• ECU ships fully enabled — every advanced feature listed is included with no additional unlock fees
• USB-C laptop communication and built-in WiFi via internal antenna simplify tuning and data transfer

Specifications

• MPN: HT-211000 | SKU: HALHT-211000
• Weight: 2.0 lb
• Supports: 1-6 cylinder or 3-rotor universal applications
• Injection outputs: 6 fuel, 6 ignition
• Inputs: 2 differential engine position (Trigger/Home), 1 Synchronised Pulsed Input, 1 Knock Input, 5 Digital Pulsed Outputs, 5 Analog Voltage Inputs
• Onboard sensors: Internal 4 Bar MAP sensor
• Case rating: Waterproof IP-66, 34-position Superseal connector
• Communication: USB-C, internal WiFi, CAN Bus
• Logging: 32MB onboard, 4-channel oscilloscope
• Calibration software: Nexus Software Programmer (NSP)

Fitment

This is a universal, stand-alone ECU suited to 1-6 cylinder piston engines or up to 3-rotor rotary engines in naturally aspirated or forced induction configurations. It is designed as a basic EFI conversion and street-performance solution — the successor to Haltech's Elite 750. This listing is for the ECU only; a wiring harness (plugs-and-pins, basic universal, or premium universal) and any wideband controller kit are sold separately based on your build requirements.

What's in the Box

• Haltech NEXUS T2 ECU
• USB-C Cable
• USB-C Dust Cap
• Mounting Bolt Set
• Haltech Fabric Keytag
• Quick Start Guide
• Universal Wiring Diagram

Why Buy from ThreePiece.us

Our team can help you confirm the right Haltech ECU, harness, and expansion components for your specific engine and build goals before you order. Every order from ThreePiece.us ships free, and you can spread the cost of your NEXUS T2 setup over time with Affirm financing at checkout.

Frequently Asked Questions

Does this listing include a wiring harness?
No — this is the NEXUS T2 ECU only. Harness options (plugs-and-pins, basic universal, or premium universal) and wideband controller kits are configured separately depending on your engine and sensor setup.

What engines is the NEXUS T2 designed for?
It's built for 1-6 cylinder piston engines or up to 3-rotor rotary engines, running naturally aspirated or forced induction, making it well suited to basic EFI conversions and street-performance builds.

Can I connect a Haltech dash to this ECU?
Yes, the NEXUS T2 communicates via CAN Bus and can connect to Haltech dashes, displays, and other CAN-based expansion devices.

Is tuning software included?
The NEXUS T2 uses Haltech's Nexus Software Programmer (NSP) calibration software and ships fully enabled, so all listed advanced features are available without extra unlock fees.