Problem:

Foxflashfailed to read Audi A1 1.4tfsi ECU MED17.5.5 on bench. error bench not not supported.

Possible reason:

It read fails due to security tprot hence this ECU has dealer security update so cannot be read on bench.

Solution:

It literally says what to do. Use boot mode tricore.
No bench possible, make in boot mode, you have to open the ECU and read password.

How to read VAG MED17.5.5 withfoxflash toolin Boot mode?

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

ATTENTION:
If the password error message appears at the beginning of the reading, proceed as follows:

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 the control 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.

Now that the password has been found it’s possible to read and write the control unit as described in STEP 1.

Posted by: jean at 07:08 AM | No Comments | Add Comment
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