Some EDC17CP20 has a password on it. Boot mode works. Read the password in boot mode and then read and write with the password, or enter separately for flash and eeprom.
One user feedback: Using KT200 ECU Programmer to read and write VW EDC17CP20 TC1796 on Bench, I can’t upload the full reading. The process starts but doesn’t proceed any further.
BOSCH EDC17 CP14/CP20 [ TC1796 INT.F.] Pinout of KT200:
Applied cars: VW, Audi, Seat, Skoda
Kit to use:
– Cavo multifunzione – Multifunction cable
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 TC1796
ATTENTION:
If the password error message appears at the beginning of the reading, proceed as follows:
PASSWORD SEARCH
Disable the boot mode by unsoldering the gray wire. 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 ..
PASSWORD SEARCH
Connect the pinout below.
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.
Related article:
How to use KT200 to Read Write Edc17cp20 on Bench?
https://www.kt200.org/how-to-use-kt200-read-write-edc17cp20-on-bench/