Formulaflash sofwtare v1.1.70 has new support for GM ACDelco E88 / E90 / E93 ECUs. Here iECUTool.eu will show how to read and write GM E88 ECU with FormulaFlash programmer?

Run Formula Flash software. Choose E88 ECU type and select bench mode.

Check the connection diagram.


Connect 6 wires: 3x VCC, CAN-H, CAN-L and GND.
Set up bench connection.



Hit “Connect” to build a connection between device and ECU.

The ECU has been decrypted. So we can read ECU.
Read and save ECU data.
Then write ECU.
Formula flash also does checksum correction.





