Perform chip tuning safely and easily by yourself.
Enhancing performance. Minimizing costs.

The Doho Flasher allows you to independently optimize the performance and efficiency of your vehicle. Whether for performance tuning, eco-tuning, or deactivating unwanted functions, it's easy to use and technologically advanced - the Doho Flasher makes chip tuning direct and secure in your hands.
Benefit from our expertise and take control of your chip tuning with the Doho Flasher. Discover the variety of vehicle categories and types we support on our website


Doho Flasher. The easy way to more power.

With the Doho Flasher, you can easily and safely enhance your vehicle's performance yourself. Save time and money by deactivating unwanted functions. Switch between original and optimized software at any time. Simple, efficient, and reliable - with the Doho Flasher.


Worry-free, reliable, and with professional support.

The tuning flasher is delivered directly with all necessary cables and enables you to optimize your vehicles with high quality. Personal support from experienced experts is always available to you.
The Doho Flasher has been carefully tested and offers you maximum efficiency and reliability. Tune your vehicles with confidence - with the Doho Flasher.

Personal support from experts

Reliable & easy to use

With all necessary cables



John Deere • Fendt • Steyr
Claas • New Holland
and much more


Volvo • Scanie • MAN
DAF • Mercedes Benz
and much more

Construction & Forestry

John Deere • Case • Doosan
Caterpillar • Volvo
and much more


BMW • Audi • Mercedes
Volvo • VW • Ford
and much more

DoHo Flasher

3 Steps:


Select Vehicle

More than 20,000 verified
vehicles available.


Set Tuning

Eco, Performance
& deactivations.


Receive Delivery

Flasher & cable easily
received by post.


Experience & Expertise.
For over 25 years.

For more than 25 years, Doho has been successfully developing engine optimizations for vehicles. With our Doho Flasher, we offer you, as farmers, construction companies, or private individuals, the opportunity to tune your vehicles easily and safely yourself.
Our reliable support from experienced experts is always available to you. Trust our years of experience and our expertise - with Doho.


  • What is the Doho Flasher (Tuning Flasher) and how does it work?

    The Doho Flasher is a tool that allows you to customize your vehicle’s control software yourself to improve performance and… to improve efficiency. You simply connect the Doho Flasher to your vehicle via the OBD connector and control it via user-friendly software.
    Find out everything you need to know at

  • What is the difference between the Doho Flasher and other tuning methods?

    Other tuning methods, such as chip tuning boxes or pedal boxes, require the installation of visible, physical devices to produce changes. The Doho Flasher, on the other hand, allows you to access your vehicle’s control software directly. More efficient as a result, without vulnerable intermediate steps.

  • Can I tune my vehicle myself with the Doho Flasher?

    Yes, with the Doho Flasher you can easily and safely tune your vehicle yourself. See also our instructions on