Ecotune Solution for LOCKED TCU EA888.4

Ecotune Transmission Control Unit Upgrade for 2022+ DQ381 Gearboxes (EA888 GEN 4)

Elevate your driving experience with Ecotune’s cutting-edge Transmission Control Unit Upgrade on the (otherwise) locked DQ381 Gearbox EA888.4 Platform.

Developed specifically for high-performance VAG models such as the MK8 Golf R / GTI and Audi S3 8Y, Cupra Leon, Formentor, Skoda Octavia etc, this upgrade redefines what’s possible in gearbox performance. By enhancing responsiveness, torque management and overall drivability, it transforms every journey into a thrilling experience of precision and control, whilst retaining safety and reliability throughout.

 Key Benefits

 •Reduced Paddle latency for lightning-fast gear changes.

•Enhanced cooling and component protection routines - send it with confidence.

•Motorsport Variable RPM Launch Control with instant response - faster off the line, every time. 

•Quicker shifting speeds in Sport & Manual modes. 

•Recalibrated shift point logic to fully leverage Ecotune’s upgraded ECU torque profile.

•Increased Torque Limits for optimal ECU-TCU Compliance. 

•Refined Drivability logic for a smoother, more connected driving experience.

•Full Manual Mode option for ultimate driver engagement.

Tested on Ecotune's MK8 Golf R – Across the Globe and on the Track

Tested on Ecotune's development MK8 Golf R – beta tested across the Globe and extensively refined on track. At Ecotune, they don’t just engineer performance, they live it. Ecotune's development process provided a detailed understanding of the transmissions capabilities in various scenarios. To ensure it delivers an exceptional customer experience. They torture tested on international roads, high-speed tracks and demanding drag strip setups. This process guarantees flawless performance, no matter where or how you drive. From precise shift points on the Autobahn to lightning-quick launches at the drag strip, this product has been proven to excel in every environment.

Why Choose Ecotune?

With many years of expertise in performance tuning, engineering and product development, we’ve created an upgrade that sets a new benchmark in the industry. Their commitment to quality is more than just a promise—it’s proven through a meticulous testing process. From local roads to international motorways and from high-speed track setups to drag strip performance, this upgrade has been put through the ultimate test. We’ve experienced its capabilities firsthand, ensuring it’s not just reliable—it’s transformative. Having this particular upgrade on our very own vehicle with multiple drivers, allows us to find each and every weakness and iron them out.

When you choose Ecotune you’re not just enhancing your vehicle — you’re unlocking a world of performance, precision and control — proven globally, perfected on track, and trusted by the masses.

Installation: 

We can install this product at our workshop in Leeds, once selected, this pricing includes labour and a gearbox oil & filter change.