The COMPUSHIFT Sport is the next generation of 4L80E transmission controller.
Engineered for the GM 4L80E transmission including the GM 4L85E variant.

Why Choose COMPUSHIFT?
COMPUSHIFT is engineered for builders who demand precision, reliability, and control. Designed and manufactured in the USA by HGM Electronics (with over 30 years experience in transmission controller research and manufacturing), it delivers true stand-alone electronic control of the 4L80E with modern wireless tuning via app on your smart device, advanced diagnostics, and industry-leading hardware capability.
Whether you’re building a street car, restomod, 4x4, tow vehicle, or high-horsepower setup — COMPUSHIFT gives you full control over shifts and torque converter behavior.
The Right Connectors For Your 4L80E Stand Alone Transmission Controller
When you buy a COMPUSHIFT you will always get exactly the right plugs and cables you need for your 4L80E transmission and its specific application.
Plug and Play Connectors for 4L80E are Included
All our kits come with a full set of 4L80E Plug and Play OEM Connectors because HGM always seeks to make connection easy.
Smart Phone Integration
The COMPUSHIFT 4L80E transmission controller is easy to setup and adjust using your phone. Adjust shift points, lock-up and shift quality. This makes setup easy using your Android or iOS smart phones, tablets, PC's and Mac's. Connectivity is via Bluetooth. All software is included.
Fully Customize Your 4L80E Transmission
Each COMPUSHIFT comes pre-set ready to install once you have answered a couple of the basic engine type, tire size and diff ratio questions. However, you can completely customize these settings to suit your exact preferences.
The COMPUSHIFT is also capable of communicating with many CAN Bus engine management systems such has AEM, Chrysler Hellcat Crate Engines, ECUMaster, Edelbrock, Emtron, Fast, FiTech, Ford Coyote (Gen1 and Gen2), GM LS Systems, Haltech, Holley, J1939, Megasquirt, Motec and MSD.
Installation Guide
The COMPUSHIFT Sport comes with an easy installation guide to make installing and configuring your 4L80E/4L80E stand alone transmission controller a breeze. This manual is available under Product Manuals on our Technical Support page.

Ease of Installation
All COMPUSHIFT Sport 4L80E transmission controllers are supplied as a complete plug and play assembly. They include an easy installation guide to make installing and configuring your 4L80E transmission controller a breeze.
Meticulously Engineered and Tested
Check out this video! Even the Aussies Love the robust design of the COMPUSHIFT 4L80E stand alone controller!
Proudly Born in the USA!
The COMPUSHIFT is designed and manufactured in the USA.

Features
Ease of Setup and Use
- Built-in Bluetooth wireless connectivity
- App-based setup, diagnostics, and tuning
- No laptop required — phone or tablet setup
- Optional laptop setup via USB or wireless
- Preloaded base 4L80E controller calibrations for quick installation
- Customizable App dashboard
- Easy calibration sharing with tech support
- Advanced data logging and charting
- One-touch throttle position sensor (TPS) calibration
Comprehensive Instructions and Support
- Personal US based 1 on 1 phone and email tech support for the COMPUSHIFT 4L80E controller.
- Remote tech support is available over the internet where a member of our tech support team can log directly into your device to address any concerns.
- Comprehensive online owner’s manual.
- Quick installation guide.
- Free software updates (reflash) are available at any time online via the App.
- Software updates can be loaded via CAN, USB, or Bluetooth.
4L80E Transmission Control
- Adjustable shift speeds.
- Adjustable shift feel.
- Adjustable torque converter clutch control.
- Configure 2 different calibrations or modes such as automatic/manual, tow/haul, calibration A/B. Controlled by either your App or an optional switch.
- Lock-Up Switch compatible for 4x4 or long haul towing usage. This allows for 100% engine braking in most gears and significant fuel saving while towing.
Compatible with Industry Standards
- 4L80E Plug and play harness made specifically for each transmission.
Paddle shift compatible.
- Supports the widest range of transmission types and manufacturers.
- Direct connection to the widest range of engine management systems (via CAN) for ease of setup/configuration.
- CAN based interface to factory and aftermarket engine management systems.
- Compatible with aftermarket throttle position sensors (TPS) which are available on our website.
Quality Manufacturing and Durability
- Fully anodized billet aluminum housing for corrosion resistance and durability
- IP65-rated sealed control module for moisture and dust protection
- IP-rated harness connector with secure locking system
- Designed and manufactured in the USA
- Over 30 years of transmission controller expertise
- Individually tested for performance, stability, and reliability
- Compact, lightweight design for easy installation
Industry Leading Design
- Advanced 4L80E transmission control fault detection with industry-standard diagnostic codes
- Real-time diagnostics via App and onboard indicator lights
- Supports nearly all transmission solenoid types
- 12 short-circuit protected solenoid drivers for reliability
- Extensive sensor compatibility (speed, TPS, MAP, temperature)
- 22 configurable inputs/outputs for custom integrations
- High-speed 32-bit processor for precise shift control
- Advanced data logging with built-in accelerometer
- Transfer case low-range detection for 4×4 applications
This product may not be legal for use in California on pollution controlled vehicles.
Additional Info
SKU:COMPUSHIFT-4L80E