OBDSTAR DC706 read and write Hyundai SIM2K-251 ECM in boot mode successfully.
With MP001 programmer in boot mode.
First tried SIM2K-251 in boot, no luck.
Sim2k-251 be able to read with sim2k-250 in boot mode.
Checksum correction by DC706.
Immo off on Sim2k-251 is not working.
SIM2k-250 don’t have immo off options as you see in the picture.







