ECU Remaps have become very popular everywhere. There are many tuners in India now who do ECU remaps. I was very curious and interested in ECU tuning. I have got my diesel cars remapped from various tuners. I wanted to know more and was doing research since a year.

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I joined few ECU forums / groups and got lot of information. I wish to share everything here by writing in detail. How do you start ECU remaps? ECU tuning Tools There are many tools available in the market to read and write different kinds of Engine Control Units (ECU).

I would be discussing here only about genuine tools and not the cheap Chinese clones. Alientech Italy: Most of the tuners across the globe use tools from Alientech. Alientech has large dealer network and known for fast support.

They even conduct ECU tuning courses. The tools are expensive compared to the competition. Alientech has still not come up with protocols for few cars while the competitors already have it. K-TAG ( for Bench flash) KESS (for OBD flash) CMD Flash This tool is also very good.

Their support for VAG cars are brilliant. CMD tool can do PCR 2.1 ECU (1.5 /1.6 TDI VAG) fully by OBD now. The development team is also very enthusiastic and they have even cracked the protocol for Indian New Figo diesel. Magic Motorsports They are getting very popular since last few years.

MMS were the first to crack protocols for many ECU. I have heard that the support is also good. Even this tool can do 1.5 / 1.6 TDI VAG fully by OBD. Mag Pro2 XL17 MPPS Most of the tuners in Europe use this as secondary tool.

The tool supports many cars and the main advantage is free updates. There are no yearly subscription charges and lifetime support is free. Dimsport I do not have much knowledge about this company. They have a fancy touch screen tool for OBD flash There are few more companies who provide the tools. They are not well known and hence I am not posting it here. All the tools listed above come with OBD and Bench flash protocols.

The tuner has to pay for tools, protocols and yearly subscription. Most of the tuners get OBD and Bench flash tools with car & bike protocols. There is no point in investing on protocols for Tractors, Boats and Cranes in India lol. I will post the approximate price in INR for the tools listed above with car and bike protocols. This doesn't include shipping and custom duty. Alientech KESS V2 (Master Version): 3.5 lakhs K-Tag (Master Version): 3 lakhs Total: 6.5 lakhs CMD: OBD + Bench flash (Master): 5.25 lakhs Magic Motorsports: Mag Pro2 XL 17: OBD + Bench (Master): 4 lakhs MPPS OBD + Bench (Master): 2.65 lakhs ( This is super VFM for master tool) Dimpsort New Genius (OBD Master): 4 lakhs New Transdata (Bench flash Master): 3 lakhs Total: 7 lakhs This tool is very expensive and not that famous too.

I would not recommend this. Check out this site for shopping!! All the tools and pricing mentioned above are for Master tools. The Master tools have total control and non encrypted files are read from the ECU. The tuner can buy any of these tools to safely read and write files.

A good tuner would never depend on only one tool. Yamaha psr s700 price. Most of the tuners have at least 2 tools from different companies to support more cars. Now the tuner with master tool is able to read and write files safely. After getting the read of stock file, the tuner has to flash MOD file. What are his options?