![]() ![]() A “tuner’s” work is the grand total of almost bugger all, because he doesn’t even really need to know how all this works. ![]() Everything from your stage 1 through to stage 756, or just plain pops & bangs for those who want to be a nuisance. This server is the party trick, because it is full of “tunes” for pretty much every ECU and car that the software supports. The important thing for most is that with the software, they also get access to an online server. This investment starts from about €4,000 and possibly up to €100,000 for everything. Here’s how it works: you need the software, hardware and know-how. Shock! Gasp! Horror! Crazy right? Well, the more ridiculous news is that many of these tuners are earning a huge fortune. Many of the people offering flash tunes, stage 1, 7, 42… whatever it is, have no idea about tuning themselves. This is all very specialist work, not for the average hobbyist, which brings me onto one of the biggest secrets of the ECU tuning industry… Every ECU model may require different software codes, which is why when a new car model is released, it takes some time for the software engineer to crack the code into the ECU for tuning. For this, special programs and cables are needed to put the ECU into flash mode so that a tuner can access the core data on the ECU, then download it. Usually, once the ECU has been opened, a tuner can do the rest of the work through the OBD2 port. Manufacturers obviously do not want anyone tampering with their work, so these are all efforts to secure the ECU. Not all vehicles can be flashed this simply in certain scenarios, the physical ECU needs to be removed from the vehicle, taken apart and on a special bench, connected directly to specific pins on the ECU board. The process of flash tuning involves connecting a computer to the ECU in the car, usually via OBD2 port, and then downloading and re-writing the software that is on the ECU. This week, we move squarely on to flash tuning. Last week, we wrote about piggybacks or tuning boxes, and why I do not believe in them. ![]()
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