ECUHELP KT200II ECU Programmer has been successfully tested to read and write Jeep Bosch EDC17C49 ECUs in Bench mode. The operation is stable, and the checksum is verified as OK using the original file.

Wiring Diagram – Bosch EDC17C49 (TC1797) for Jeep Diesel:
Use the KT200II multifunction cable and connect according to the standard wiring diagram below.There are 4 supported connection modes.

Attention 1:
If it does not enter bench mode, add ground to pin 44:

Attention 2:
On some EDC17C49 FCA the CAN line is shifted. If with the previous pinout doesn’t enter in bench mode, then try again by connecting it as follows:

Attention 3:
If it does not enter bench mode, add ground to pin 44:

To read and write, select the following driver path in the KT200II software:
→ BENCH TRICORE
→ JEEP
→ TC1797 – JEEP
→ EDC17 C49

Conclusion:
The ECUHELP KT200II provides reliable bench read and write support for Jeep Bosch EDC17C49 ECUs. With correct wiring and attention to CAN line variations and grounding, the operation is smooth and secure, making it an excellent solution for Jeep diesel ECU tuning and repair.