You cannot clone all VAG MED17.5.5 ECU on bench. If VW/Audi ECU is updated you will not get password via bench pinout.
If no password you might even be required to solder some resistors. If updated no deal via pinout.
For example:
Vw tiquan med17.5.5 in boot foxflash tool works ok.
How to read MED17.5.5 in boot mode with foxflash?
BOSCH MED17.5.5 [ TC1766 INT.F.] – VW, Audi, Seat, Skoda
Step 1: Read and Write ECU
Connect with the multifunction cable the following pinout and the boot shown below.
Use the driver:
→ TOOLS BOOT MODE
→ INFINEON TRICORE Boot
→ SAK TC1766
Step 2: Password Search
Disable the boot mode by unsoldering the resistances.
Connect the pinout below.
Use the driver:
→ TOOLS BOOT MODE
→ INFINEON TRICORE Tool Password
→ OBD PASSWORD TPROT V08 VAG
→ Click on “Find Password” and follow the software messages.
If the password was found with this system, go directly to the boot step to read and write thecontrol unit. Otherwise, see next step .
Step 3: Password Search
Connect the pinout below and the two links on the PCB.
Use the driver:
→ TOOLS BOOT MODE
→ INFINEON TRICORE Tool Password
→ PASSWORD BFT
→ Click on “Find Password” and follow the software messages.
