How do I download my free tuning software?

You simply open ProECU and download a new version of ProECU using EcuTek Update.

What can I do with it?

You can tune your Subaru BRZ/Scion FR-S/Toyota GT-86 car yourself by creating your own tuned ROMs using ProECU BRZ and then program them into your ECU.

What can I adjust?

You can adjust all Ignition, Fuel, Cam Control and Limiters along with many other maps; the exact list of features can be found under the BRZ/Scion FR-S/Toyota GT-86 RaceROM section.

Does it include the RaceROM special features?

Yes, some RaceROM special features are included for free, see this web page for the exact feature list.

Can I get all the special RaceROM features?

Yes you can, if you purchase the RaceROM BRZ/Scion FR-S/Toyota GT-86 upgrade from your Master Tuner, which adds the features that are not included in the free product.

Can I damage my engine?

Yes, if you don't understand the ins and outs of tuning you can easily damage your engine. Please consult a qualified tuning shop if you are in any doubt.

Can anyone else use my Programming Kit to tune my vehicle?

Yes, any tuning shop could tune your vehicle or other vehicles using your ProECU Programming Kit.

Can I program a ROM file supplied by another tuner or ProECU BRZ/Scion FR-S/Toyota GT-86 retail customer?

Yes, you can program any ROM using your ProECU Programming kit as long as it hasn't been protected by ROM Keying.

Can I program a ROM file supplied by another tuner or ProECU BRZ/Scion FR-S/Toyota GT-86 retail customer if it has RaceROM features enabled that I don't have access to?

Yes, but you cannot see or edit the RaceROM maps unless you have bought the RaceROM Upgrade from a Master Tuner.

Can I tune my existing ROM that my tuner supplied?

Only if the tuner has supplied the ROM unlocked (not ROM keyed).

If my existing Tuned ROM is locked (ROM keyed) then how can I get access to it?

You need to email your tuner to request access to your map, but it is at the tuner discretion. Do not assume they will give you the file. They may charge for unlocking it.

Can ProECU BRZ/Scion FR-S/Toyota GT-86 read my tuned ROM out of the ECU?

No, it has no Read ROM capability.

Can ProECU BRZ/Scion FR-S/Toyota GT-86 make a back-up copy of the ECU before programming?

Yes, ProECU BRZ can read the ECU ROM by choosing DUMP DETAILS FOR ECUTEK but this ROM cannot be viewed or edited by any customer or tuner. It can only be decoded by EcuTek under special circumstances.

Can ProECU BRZ/Scion FR-S/Toyota GT-86 open, view and edit the non- EcuTek ROMs available on the forums?

Yes, ProECU will allow opening and edit of any ROMs that are the correct format, but they can only be saved in the secure EcuTek format.

Can ProECU BRZ be used to tune other BRZ/Scion FR-S/Toyota GT-86 cars?

Yes, you can tune your friend's vehicles, but additional licenses will need to be purchased from your Master Tuner.

How do I buy additional licences to programme another vehicle?

You can buy additional licences to program another vehicle/ECU from your Master Tuner.

How do I know who my Master Tuner is?

Your Master Tuner's details are shown on the front of the ProECU Programming Kit and also on the splash screen when you start up ProECU.

Can I change my Master Tuner?

Yes, just email and specify your Hardware Licence Key ID (Dongle ID) and the Master Tuner's name you wish to change to.

Can I use the ProECU BRZ/Scion FR-S/Toyota GT-86 for commercial use?

No, the licence agreement limits you to non-commercial use only. You must contact EcuTek if you wish to use it commercially.

Will I be listed on the EcuTek website as a Tuner?

No, only Trade customers are listed. You will be listed on the website if you purchase the full commercial tuning suite.

Can ProECU BRZ/Scion FR-S/Toyota GT-86 open, view and edit the non-EcuTek ROMs that are available on forums?

Yes, ProECU will allow opening and edit of any ROMs that are the correct format, but they can only be saved in the secure EcuTek format.

How many ECUs will ProECU BRZ/Scion FR-S/Toyota GT-86 be able to tune?

EcuTek will implement a fair usage policy to prevent professional tuning companies from abusing the low cost ProECU BRZ retail product.

Can ProECU BRZ program other ECUs?

Yes, the ProECU Programming kit supports many other vehicles such as Nissan GTR, Subaru STI and Mazda MX5. Using ROM files supplied by an EcuTek tuner of your choice you can program and datalog these ECUs along with Read and Clear the DTCs. See the supported vehicle list on

Can ProECU BRZ/Scion FR-S/Toyota GT-86 edit maps on other ECUs?

Yes, you can edit maps on the Mazda MX-5/Miata as well as the Subaru BRZ, Scion FR-S and Toyota GT-86.

Can my ProECU BRZ/Scion FR-S/Toyota GT-86 ROM file be programmed into an ECU using other tools or products?

No, ROM files saved with ProECU can only be programmed into the ECU using EcuTek tuning tools.

What ROM should I use in my ECU?

You should base any tuning on the same region ROM that's already in your ECU. See the Tuning Guide for further guidance.

Why is EcuTek giving away free tuning software?

So as to compete with other solutions that take EcuTek data and sell it at a price, or offer it for free.

Why is EcuTek better?

EcuTek developed the first BRZ/86 product and was first to market. Other competitors have less ability and less morals and simply benefit from EcuTek’s hard work. Our superior RaceROM features show our ability as a company and we are the unquestionable leader in this market.

Do any other tuning shops use EcuTek ProECU?

Yes, many famous companies use and have used ProECU to calibrate ECUs, these include Mitsubishi, Subaru, Prodrive, Cosworth, TRD, Sprintex, HKS, Greddy, Jun, AVO, Vortech to name a few.

I don't know how to tune my vehicle!?

Then you should not use ProECU BRZ/Scion FR-S/Toyota GT-86 and you should instead go to an EcuTek tuner who can tune it for you.

Can I ask EcuTek how to tune my vehicle?

No, EcuTek cannot teach you how to tune your vehicle.

Can the EcuTek tuner teach me how to tune my vehicle?

Some Master Tuners may be willing to teach you how to tune you vehicle, but they will probably charge you.

What happens if I have a question about tuning in general?

This is not something EcuTek can help with, though some EcuTek tuners may be willing to help you for a cost.

Contact Us:

EcuTek Technical Support

(+44) 1895 811200

When dialing from within the UK, the country code is not required so dial 01895 811200

Open Hours

Monday to Friday 9:00am - 5:00pm BST (UK Time)

(4am-1230pm Eastern Standard TIme US)

Visitors by appointment only

EcuTek Tehnologies Ltd.
8 Union Buildings
Wallingford Road
Uxbridge, UB8 2FR

VAT No: 
GB 235 2616 23