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Supported ECUs

Using the App

TDI Flasher currently supports the below ECU’s. This covers the majority of 2.0TDI, 3.0TDI and a range of the 1.6TDI engines. Bosch EDC17CP14 Bosch EDC17C46 Bosch EDC17C54 Bosch EDC17C64 Bosch EDC17C74 Bosch EDC17CP20 Bosch EDC17CP44 Bosch EDC17CP54 ...

What do I need to use TDI Flasher?

Using the App

TDI Flasher has been designed to be as user friendly and simple to use as possible. Tuning your car from home has never been easier.  All you need to flash your car is: The OBD flash adapter which can be purchased here. The appropriate software license f...

Supported Devices

Using the App

iPhone 6S or newer, running iOS 8 or newer. The app can be found on the Apple app store by searching “TDI Flasher” or follow the link here. Android devices with Bluetooth 4.2 onwards and Android 5 or newer operating system. The app can be downloaded directly ...

Supported Cars

Using the App

The range of cars covered by TDI Flasher is vast. Please see a rough list of makes & models below. For exact coverage on your model, you can use our vehicle checker tool. Please be aware that the ECUs can vary between the different engine codes. Audi A1 A...

What is my username?

Using the App

If you have purchased a tune through our website, you will have received an email invite to set your password. Your username is the email address you used when checking out. The email may have been filtered into your junk or spam. Alternatively you can regist...

How to connect to the OBD adapter?

Using the App

Just open the app and the adapter will automatically connect. You do not need to pair with it or select it the Bluetooth devices.

My adapter won’t connect?

Using the App

You have the adapter plugged into the OBD port and the app open but it will not connect? First things to check: Is the ignition on? If it is, unplug and reinsert the adapter into the OBD port and ensure it is seated correctly. Force close the app and star...

Can I use the adapter on a different car or is it locked to my car?

Using the App

The adapter can be used on as many cars as you like. The tuning license is only valid for the VIN it is assigned to. If you have a friend or family member who wants to tune their car you can use the same adapter, but they will need a new flash licence.

How do I purchase a flash licence?

Using the App

Simply checkout with any tune product from our shop. The email you use to make a purchase will become your username for the app. If you have already made a username, please use the same email address when checking out or it will create a new profile for the di...

How to flash my ECU using TDI Flasher?

Using the App

So, you have purchased a flash license and you have your adapter in hand.  The first thing you should do is connect your battery to a stabilizer or power source such as another running car. The idea is to protect your battery voltage from getting too low fo...

How long does it take to flash my ECU?

Frequently Asked Questions

The writing speed is dependent on a number of factors. The way we write to the car it goes as fast as the ECU/Gateway will allow. We have always put stability over speed but fortunately with the final closed beta developments we made a huge improvement in term...

What can go wrong?

Frequently Asked Questions

The focus during development has been stability. We understand that the idea of tuning your own car can be a bit daunting and that is why we have tested every possible situation. Now of course you should never attempt to do any of these things, but it is reass...

What if the flash fails?

Frequently Asked Questions

This is a situation we have spent a lot of time on and worked very hard to try and ensure doesn’t happen but if it does there are some simple steps to follow. Send a debug log to support from the settings menu. Read DTCs if any are shown please screenshot ...

How do I flash my car to stock?

Frequently Asked Questions

Time has come to sell your car and you would like to return it to stock? It is as simple as selecting the stock tune option and writing it. This will flash the ECU fully back to stock.

How to provide debug logs?

Frequently Asked Questions

Simply go to the settings page in the app and press “Email Debug Log” you can then add a description of whatever issue you are facing.

Are your ECU Tunes safe?

Tuning Questions

With over 5 years tuning OEM ECUs for a wide range of vehicles but specifically focussing on the German marques that utilise Bosch and Continental control units. The EDC17 variants found in the VAG range have always been one of our favourites to work on with a...

I have a question not covered here

Tuning Questions

We are happy to answer any questions you may have with regards to tuning, just drop us an email on support@tdiflasher.com with the subject line “Tune Question”.

Emissions Tuning

Tuning Questions

Are your emissions solutions legal? The legality of emissions solutions will depend on your jurisdiction. We only offer these capabilities to be used in cars which are outside of the public road network and not required to undergo any emission testing. If a u...

There is no tune available for my software version?

Tuning Questions

In the long run we will have files available for every software version offered on each ECU variant we support. But there are literally thousands of versions, so it is a very time consuming task to create them all. Whenever a version is identified that is not ...

What is a DPF?

Tuning Questions

DPF stands for diesel particulate filter. It was introduced as part of the emissions regulations to improve the quality of our air and reduce pollution. As the name suggests it is a filter which sits within the exhaust system catching harmful diesel particles....