If you’re working with a Citroen EDC17C60 ECU and encounter the “ERROR Unlock Password” message when trying to write Bench mode using the ECUHELP KT200II, don’t worry—this guide will walk you through the issue and its solution.

The Issue:
Vehicle: Citroen (PSA)
ECU Type: EDC17C60 (TC1793)
Write Bench mode
Error: “ERROR Unlock Password”

Possible reason:
This error typically appears when the ECU has previously been cloned. As a result, the password area becomes locked, preventing write access via Bench mode.

Solution Overview
Switch to Boot Mode.
Use the original ECU data to release the password.

Tools Required:
KT200II ECU Programmer
Multifunction Cable

Step 1. PASSWORD SEARCH:
Connect the pinout below with a multifunction cable.
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.

Step 2. KT200II Reads/Writes ECU EDC17C60
Connect with the multifunction cable the following pinout and the boot shown below.
Use the driver:
→ TOOLS BOOT MODE
→ INFINEON TRICORE Boot
→ SAK TC1793

Good luck.
Any further questions on KT200II r/w EDC17C60, please browse www.ecuhelpshop.com.