After 2020, the ECU protection program of Bosch MD1/MG1 has changed. Currently, no ECU tool can read and write. This is why the KT200II device pops up the error message “Bench Locked”.

Image 1: KT200II pops up the error message “Bench Locked”

Image 2: Bosch MD1CE101 ECU outlook

Next is on how to use KT200II to read and write Bosch MD1CE101 (mainly before the 2020 year):

KT200II wiring diagram of BOSCH MD1CE101 [TC299TP] – Case, New Holland, Steyr [Diesel]

Use:
– Multifunction cable
– Bench Box V.2
– Laboratory power supply or battery

Connect the multifunction cable as follows:

Use KT200II to read and write using the following driver:
→ BENCH MODE
→ CASE / NEW HOLLAND / STEYR
→ TC299TP
→ MD1CE101

Note:
For these ECUs, the CVN alignment is performed automatically by the software during programming.