Home / Shop / Holley Terminator X Engine Control Modules 554-152 Management Systems, EFI, X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Holley Terminator X Engine Control Modules 554-152 Management Systems, EFI, X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

SKU: HLY554-152

Engine Management Systems

Holley

Holley Terminator X Engine Control Modules 554-152 Management Systems, EFI, X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

SKU: HLY554-152

Engine Management Systems

LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.

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Description

Holley Terminator X engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, or progressive nitrous control. Order your Holley EFI Terminator X Service ECU today.

Features:

* Compatible with Terminator X harnesses
* OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software
* Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors)
* Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as:
-- A failed TPS (Throttle Position Sensor) Autoset
-- Faulty crank or cam sensors
-- Potential oxygen sensor issues
* Built-in 1 Bar MAP (Manifold Air Pressure) sensor
-- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor
* Four inputs—12 V, Ground, 5 V, and Frequency for things, such as:
-- Additional pressure sensors
-- Activation triggers for nitrous activation
-- A trans-brake (Fuel and Oil Pressure Inputs are pre-terminated)
* Four outputs--Ground, PWM, and accessories such as:
-- Fans, boost control, nitrous control, IAC kit, and more
* Boost control:
-- Boost vs. Time/Gear/RPM/Speed, and boost safeties
* Nitrous control:
-- Single channel of wet or dry
-- Progressive or non-progressive
-- Rich/lean safeties
-- Target closed loop AFR
* Advanced tables:
-- Four 1D tables
-- One 1D per gear table
-- Four 2D tables
-- One 2D per gear table
* Free EFI tuning software for complete control of your Terminator X powerplant

Part Type

Terminator X ECU Service Unit

Data: v4.2 - Upd: 2026-10-13 18:46:55

Specifications

Product Attributes - Brand: Holley
Product Attributes - Manufacturer's Part Number: 554-152
Product Attributes - Part Type: Engine Management Systems
Product Attributes - Product Line: Holley Terminator X Engine Control Modules
Product Attributes - UPC: 090127105498
Product Attributes - Transmission Controller Included: No
Product Attributes - Boost Control: Yes
Product Attributes - Traction Control: No
Product Attributes - High Impedence Injectors: Up to 8
Product Attributes - Coils: Up to 8
Product Attributes - Analog Inputs: 4
Product Attributes - Wideband Controller: Yes
Product Attributes - Wideband Channels: 1
Product Attributes - CANBUS Enabled: Yes
Product Attributes - CANBUS Networks: 1
Product Attributes - Knock Control: Yes
Product Attributes - Knock Channels: 2
Product Attributes - Drive-By-Wire Capable: No
Product Attributes - VVT Control: No
Product Attributes - Nitrous Control: Yes
Product Attributes - Launch Control: No
Product Attributes - Engine Protection: Yes
Product Attributes - Flex Fuel Compatible: Yes
Product Attributes - Multi-fuel Capable: No
Product Attributes - Data Logger: Yes
Product Attributes - Oxygen Sensor Included: No
Product Attributes - Display Included: No
Product Attributes - Handheld Controller Included: No
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: To use E85 fuel a flex fuel sensor must be purchased.
Product Attributes - Special Attention: Replacement engine control unit (ECU) only.

Reference Information

Brand Name/s	Holley
StreetFX SKU	hly554-152
SFX Item ID	4784048
Supplier Item Code	4784048
Manufacturer SKU	554-152
Manufacturer UPC	90127105498
Alternative References	HOL554-152, 8-Injectors, 8-Coils

Compatibility

Application Data

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2005
Ending Year	2014
Engine Family	CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size	5.3L/325
Engine Type	V8
Make	CHEVROLET
Transmission	Automatic
Universal	No

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2005
Ending Year	2017
Engine Family	CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size	4.8L/294
Engine Type	V8
Make	CHEVROLET
Transmission	Automatic
Universal	No

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2005
Ending Year	2020
Engine Family	CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size	6.0L/364
Engine Type	V8
Make	CHEVROLET
Transmission	Automatic
Universal	No

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2006
Ending Year	2015
Engine Family	CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size	7.0L/427
Engine Type	V8
Make	CHEVROLET
Transmission	Automatic
Universal	No

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2008
Ending Year	2017
Engine Family	CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size	6.2L/376
Engine Type	V8
Make	CHEVROLET
Transmission	Automatic
Universal	No

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2020
Ending Year	2022
Engine Family	CHEVY SMALL BLOCK GEN V V8 GAS
Engine Size	6.2L/376
Engine Type	V8
Make	CHEVROLET
Transmission	Automatic
Universal	No

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2015
Ending Year	2022
Engine Family	Mopar Hemi Gen III
Engine Size	6.2L/376
Engine Type	V8
Make	DODGE
Transmission	Automatic
Universal	No

Application Notes	To use E85 fuel a flex fuel sensor must be purchased.
Beginning Year	2011
Ending Year	2022
Engine Family	FORD MODULAR V8 GAS
Engine Size	5.0L/302
Engine Type	V8
Make	FORD
Transmission	Automatic
Universal	No

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Holley Terminator X Engine Control Modules 554-152 Management Systems, EFI, X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Holley Terminator X Engine Control Modules 554-152 Management Systems, EFI, X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Description

Part Type

Specifications

Reference Information

Compatibility

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