MODS: if theres a similar thread, please direct me to it. just basic stuff that marginally improves engine response characteristics for me without possibly affecting the engine adversely in any fashion. When I say DIY ECU Tweaking, I dont mean to go all out & start readjusting the Fuel maps or ignition timing or so on. All I want to know is, if anyone has experience doing it with the cheaper tools or are the expensive ones like the Alientech Kess V2 a compulsion. When I talk about ECU tweaking, I am fully aware of the risks that go along with it. Please do not start the advice giving or warning about the risks of DIY ECU Flashing, & how it can blow up the engine & so on, unless the risk is solely associated with the poor nature of any tool mentioned that might brick the ECU. PS: The purpose of this thread is to gain some insight into affordable OBDII ECU Flashing tools & methods & achieving the tweak successfully. You can easily identify this on websites, its the translucent blue colored adapter with a sticker that says ELM327 OBDII I recently bought a cheap OBDII bluetooth scan adapter which works quite well with the torque android app but its basically a read info tool and fault code scan purpose tool. I am attaching a standard image available on almost every Chinese website that is selling this.ĭoes anyone on the forum have any idea about this? Also, if someones aware of some alternate tool, even if its relatively expensive, please do share details and feedback regarding first hand experiences would be greatly appreciated. ![]() It comes with the cable & the software too (probably a cracked one) for just about 10 US dollars exclusive of shipping charges which are also quite nominal. The cheapest I could find was something called the Galletto 1260. Right now I don't have a method to flash back to the bike, so I will probably purchase the full version of HondaECU to do it unless some ace coder comes along and wants to help try and get the python stuff working.For quite some time I've been going through a compulsive instinct to get a cheaper affordable tool to make minor tweaks to my cars ECU on my own & have been searching online. I will have a look at the timing map too but my thoughts at the moment are to leave that alone. You can hopefully see in the picture where the fuelling drops off on the stock map. ![]() I think I will up the rev limit a little, and add more fuel above 5500rpm. Not a massive surprise with only 48kb storage to work with. There's basically only 2 tables, ignition and fuel. I was able to load it into TunerPro using the xdf from github, and the tables all look good. For anyone reading this in the future, I used offset 0x4000 and got a 48kb file. I did find an older copy of HondaECU which lets you read but not write when it's unregistered, and was able to read my ECU. I'd be happy to share whatever I find, I think it would be cool to have an open source tool for flashing and some community documentation on how to remap your Grom.Ī friend from another forum did manage to compile the github software I linked, but it didn't work. I guess what I'm really asking is if anyone can help compile the open source HondaECU, or has an old windows.exe version of it? I have a cable to read the ECU with, just need the software. The problem with that is its source code and I can't seem to compile the program for windows, I tried following the instructions but get errors that are beyond my ability. ![]() What I did also find is that HondaECU was previously open source, and some of the old versions/branches are still there on GitHub eg There is MCU innovations HondaECU, but it's $150. There are a few tools out there, Hondaflasher ( ) although the page doesn't seem to have a download.
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