Haltech Ti4L GM 4L60 4L80 Interface Module
$595.00
Take full control of your GM automatic transmission with the Ti4L Transmission Control Module – the smart and simple way to manage 4L-series gearboxes in your LS-powered build. Designed as an expansion module for Haltech’s Nexus ECU and VCU range, the Ti4L offers seamless integration and intuitive setup through Haltech’s NSP software or the Rebel LS Setup Wizard in the Haltech Connect App. Whether you’re building a street car or a serious cruiser, this module takes the guesswork out of auto transmission tuning.
But easy setup is just the beginning. The Ti4L also features advanced closed-loop line pressure control with long-term learning strategies that improve shift quality the more you drive. It supports a wide range of GM transmissions including the 4L60E, 4L65E, 4L70E, 4L80E, and 4L85E, with compatibility notes for specific year models. With the Ti4L, Lowe Fabrication gives you smarter control, cleaner installs, and a smoother driving experience—backed by the Commodore and LS conversion experts.
Ti4L Transmission Control Module – Now Available at Lowe Fabrication
Looking to simplify your LS swap while retaining the smooth operation of your GM automatic transmission? The Ti4L Transmission Control Module is your ultimate solution. Designed to work seamlessly with Haltech’s Rebel LS, Nexus ECU and VCU range, the Ti4L gives you full control of your 4L-series gearbox with an easy setup process and advanced tuning features—making it perfect for street-driven swaps and performance builds alike.
Setup is a breeze thanks to integration with Haltech NSP software and the Rebel LS Setup Wizard via the Haltech Connect App. But beyond quick installation, the Ti4L takes things further with smart closed-loop line pressure control and long-term learning strategies that continuously refine shift quality over time. The result? A transmission that just keeps getting better the more you drive it.
Transmission Support:
4L60E, 4L65E, 4L70E (Non-4×4, 2006–2008 only)
4L80E, 4L85E (Non-4×4, 1994 onwards)
Note: Earlier 4L models and 4×4 variants may use different pinouts or connectors. Check compatibility before ordering.
Whether you’re finishing off a Holden Commodore conversion or dropping an LS into your dream build, Lowe Fabrication has you covered with the best parts, tech support, and real-world knowledge. The Ti4L module is a game-changer for anyone wanting to retain automatic functionality without compromise.
Related products
Lowe Fab Custom DIY components
ECUs and Electronics
