Gearbox Remapping & TCU Tuning

Professional Gearbox Remapping and TCU Tuning solutions designed to deliver faster gear changes, improved transmission response and a smoother driving experience. Every transmission calibration is developed specifically for your gearbox, optimizing shift strategy, clutch pressure and torque management while maintaining long-term reliability.

Discover real gearbox tuning projects developed for a wide range of automatic transmissions and vehicle manufacturers. Our custom TCU software solutions improve shift quality, driving comfort and transmission performance across DSG, DCT and automatic gearbox applications.

Gearbox Remapping & TCU Tuning Solutions

Browse Gearbox Remapping Projects

Why Choose eTuners

∙ Dyno Tested Calibrations 

Dyno Tested Transmission Calibrations – Every TCU calibration is validated on our dyno to ensure smooth shifting, consistent performance and reliable operation.

Custom Software Development 

Custom TCU Software Development – Every gearbox remap is individually developed to match the characteristics of each transmission.

Worldwide Dealer Network 

Worldwide Dealer Network – Our transmission software solutions are trusted by professional dealers and tuning partners worldwide.

More than 20 Years of Experience 

More than 20 Years of Experience – Extensive expertise in ECU and TCU calibration across a wide range of automatic transmissions.

Continuous Research & Development 

Continuous Research & Development – Ongoing testing and software development for DSG, DCT and modern automatic gearboxes.

∙ Professional Technical Support

Professional Technical Support – Expert assistance before and after every gearbox remap installation.

Frequently Asked Questions

What is Gearbox Remapping?

Gearbox Remapping, also known as TCU Tuning, is the process of recalibrating your  vehicle's Transmission Control Unit (TCU) to optimize gear shifts, transmission  response and overall driving performance.

Every calibration is tailored to the specific transmission, ensuring smooth operation and reliable performance.

Is Gearbox Remapping safe?

Yes. Every TCU calibration developed by eTuners is extensively tested to ensure  reliable operation when installed on a mechanically healthy transmission.

Professional transmission calibration always depends on the gearbox's mechanical condition and the quality of the tuning process.

What are the benefits of TCU Tuning?

TCU Tuning can provide faster gear changes, improved launch performance,  smoother shifting and better transmission behavior under different driving conditions.

It can also improve driving comfort and optimize the transmission's response during everyday and performance driving.

Can the gearbox software be restored to stock?

Yes. The original transmission software can be restored whenever required.

This allows the vehicle to be returned to its factory transmission calibration at any time.

Which gearboxes are supported?

eTuners develops Gearbox Remapping and TCU Tuning solutions for a wide range of DSG, DCT and automatic transmissions from most major vehicle manufacturers.

Our transmission software is developed for a broad range of modern automatic gearbox platforms.