Memory device is serial EEPROM 93c86 SMD8 package or NEC MCU.
For serial EEPROM 93c86 expected file size is 2048 bytes.
You can read Fiat BSI by OBD2 using the Immo tool with Fiat software activation.
For files read by OBD2 expected size is 21 or 32768 or 65536 bytes.
Use PCF7936 or Silca T14 – JMA TP12 or CN3 transponder or remote key with PCF7946.
The software shows a 5-digit PIN code.
The written transponder is ready and programmed to start the vehicle.
Note: for files read by OBD2 from NEC MCU software shows the PIN code and prepares keys but does not create a new file. You must program prepared keys by OBD2 and PIN code.
IMPORTANT when you want to program the remote key: open the key and look on PCB.
You will find 2 SMD chips – PCF7946 (SMD 14 pins) and a smaller SMD chip, which can be with 8, 10, or 16 pins.
If a smaller SMD chip is with 10 or 16 pins, PROGRAM KEY AS TYPE 1.
If a smaller SMD chip is with 8 pins, PROGRAM KEY AS TYPE 2.
IMPORTANT: if the buttons of the remote operate, but do not work properly, for ex. button for locking opens the trunk, this is NOT A TMPro SOFTWARE PROBLEM. Use another type of remote.
Vehicles equipped with this unit:
Fiat: Grande Punto, 500, Fiorino, Qubo, Doblo
Alfa Romeo: Mito
Opel: Combo D