ECUHELP KT200II ECU Programmer is confirmed to read/write JD Phoenix L33 via OBD, also do the checksum ok.

Also KT200II read/write JD Phoenix L33 Pinout mode:
To connect to the control unit use:
– Multifunction cable
![KT200II connect PHOENIX L21/22/23/33/34 - John Deere [Diesel]](https://www.kt200.org/wp-content/uploads/2024/08/JD-Phoenix-L33-02.jpg)
ECUHELP KT200II ECU Programmer is confirmed to read/write JD Phoenix L33 via OBD, also do the checksum ok.

Also KT200II read/write JD Phoenix L33 Pinout mode:
To connect to the control unit use:
– Multifunction cable
![KT200II connect PHOENIX L21/22/23/33/34 - John Deere [Diesel]](https://www.kt200.org/wp-content/uploads/2024/08/JD-Phoenix-L33-02.jpg)