ECU Tuning Blog
Latest news, guides, and insights about ECU tuning
Ferrari MED17.3.5
Mapswitch on Ferrari 488 MED17.3.5 using cruise control buttons[…]
Porsche 911 992 MG1 Aurix Multimap!
World's first! Porsche 911 Carrera 3.0/3.8 custom code including map-switch and rolling LC now available, here's a video:[…]
Simos18 mapswitch
Switch maps with any combination such as Brake + accelerator pedal control or brake + cruise control set. Here, Check out the video below:[…]
ECU hacking classes
We get a lot of emails requesting classes on hacking ECU's to modify code and add custom functionality. After some deliberation we decided to organise[…]
Mclaren 720s multimap
Switch upto 9 map sets of unlimited number of maps(flash storage is the only limit!), Here's a video here showing how it works[…]
Mclaren 650S Multimap
Another world first! Mclaren 650 custom code including mapswitch and rolling LC now available, here’s a video showing how it works:[…]
BMW S55 multimap
Made mapswitch for MEVD17 ECUs found in BMW. Stay tuned for features on F90 ! TC29x is a pain but making huge headway into the new[…]
Mercedes MED1775 multimap
So a first for us here at Tangent and worldwide! Great car to have multiple modes on. Maps are switched with Acc pedal + brake. A video here showing[…]
EGS52 CAN message reversing
So a tuner and long time map switch partner asked us if we could reverse the CAN messages and modify the message bytes […]
Nitrous/water meth control using stock ECU
We were recently asked to add a set of port injectors and nitrous in an engine with full control over it. So we[…]
AC Compressor repair
Last year the Air-con on my Skoda Octavia(2002 1U) started behaving erratically. Did some basic diagnosis (pressure check in […]
Audi RS3 MED17.1.62 Mapswitch
On this engine there are a lot of maps for timing control. I have developed a solution to switch all the maps(84!)[…]
Mercedes EDC15C Mapswitch
With this ECU, I have implemented mapswitch on all EDC15 ECUs released in the market by Bosch! This version has[…]
EDC15 Scrambling
A lot of tuners work hard on the dyno to make tunes, only to be copied by rivals. I have come up with a solution to protect the maps by scrambling them[…]
EEPROM fun
I had to program a legacy EEPROM on a Mercedes EDC15 ECU. I had a choice: to buy a reliable tool to read/write the E2P(3SP08/95SP08) or make my own by[…]
Live-tune for E85 blend
A tuner contacted me to make a special version of map switching. Basically they needed a way to adjust KRKATE for varying alcohol content[…]
Climatronic Retrofit
So we’d originally done this project 8 years ago, on our older Skoda Octavia. It was time to do it on the newer one now. Too analog, gotta add some electronics to this[…]
MEDC17 UDS Flashing Exploit
Just finished writing the backbone of my flashtool last week. Can flash any MEDC17(presently only UDS based). Here’s a snippet […]
ABS ECU Repair
Skoda Octavia/Laura 1Z(2009 Facelift L&K). It had an ABS issue. Skoda service made a bill of upwards of 1lac(1400$) just to replace the ABS unit. I was never […]
BOSCH EDC15 MapSwitch
So for years tuners have tried various different techniques to have multiple tunes in one ECU. There are several advantages to this: Multiple tunes with different output power levels […]
Audi Q5 0B5 DL501 DSG repairs
Audi had quoted upwards of 6lac(8000$) to replace the gearbox. The first thing we did after purchasing it was to get the mechatronic unit out and fully disassembled: […]