Haltech Nexus T1 ECU
The Haltech Nexus T1 (part number HT-210000) is Haltech’s entry-level, single connector standalone ECU and the successor to the Elite 550. It runs 4 cylinder and 2 rotor engines, naturally aspirated or turbocharged, and gives you full control of fuel, ignition timing and boost. The case is sealed to IP-66, and the ECU has an onboard 4 Bar MAP sensor, so there’s no separate MAP sensor to fit on most boosted engines.
Tuning is done in Haltech’s Nexus Software Programmer (NSP) over USB-C or WiFi. Every feature comes enabled, with nothing extra to unlock later.
Please note: the Nexus T1 is a universal ECU. It needs a wiring harness, such as the Haltech Nexus T2 / T1 Basic Universal Wire-in Harness, and a tune before the engine will run.
🚗 Suitable for:
- 1 to 4 cylinder engines and 2 rotor engines
- Naturally aspirated or forced induction
- Basic street performance builds and EFI conversions
📦 What’s Included:
- 1x Haltech Nexus T1 ECU
- USB-C cable and USB-C dust cap
- Mounting bolt set
- Haltech fabric keytag
- Quick Start Guide and universal wiring diagram
🔧 Technical Specifications:
- 4x fuel injection outputs (peak and hold, 8A peak / 2A hold)
- 4x ignition outputs: direct fire multi-coil, distributor or Haltech CDI
- 2x differential engine position inputs (trigger and home)
- 5x analog voltage inputs and 5x digital pulsed outputs
- 1x knock input (or usable as a second pulsed input)
- Internal 4 Bar MAP sensor
- Load sensing by TPS, MAP or MAF
- Sequential, semi-sequential, batch or multipoint injection
- 34 position Superseal connector
- Waterproof IP-66 case
- 32MB onboard logging and a 4 channel onboard oscilloscope
- CAN bus for Haltech dashes, expansion devices and OBDII
⚙️ Why Choose Haltech:
- Closed loop boost control with learning, and boost by gear or road speed
- Closed loop O2 control with long term learning when paired with a CAN wideband such as the Haltech WB1
- Flex fuel, variable cam control on up to 2 camshafts, and closed loop idle control
- No extra charges for advanced features
❓ FAQs:
Q: Is the Nexus T1 plug and play?
A: No. It’s a universal ECU, so it’s wired in with a harness such as the Nexus T2 / T1 Basic Universal Wire-in Harness, then tuned for your engine.
Q: Will it run a turbo engine?
A: Yes. It has an onboard 4 Bar MAP sensor and closed loop boost control, and it suits naturally aspirated or forced induction engines.
Q: What replaced the Elite 550?
A: The Nexus T1 is Haltech’s successor to the Elite 550.















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