OBDSTAR DC706: Read Mahindra EDC16C39 ECU
Today we are going to read Mahindra Bosch EDC16C39 ECU with OBDSTAR DC706 and P003+ adapter. For some EDC16 ECUs you must use P003+ or MP001, old P003 does not work.
12 volt supply will be required.
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*BYy1BY4xZnGW5YDN.jpg)
Go to ECM function, quick search EDC16C39 and select EDC16C39 MPC561(2)+ M588W016D(F)B
Choose Bench mode with P003+ adapter
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*Xv-6BiKTZXtyB_Ud.jpg)
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*rSZTyv5MskFreBWC.jpg)
Check wiring diagram
Then connect DC706 with EDC16 ECU via P003+
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*5UwuLIAAnBzGTTgS.jpg)
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*9o0B5LFjklzSWO88.jpg)
Connect ECM
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*Svc85buuiDSDVqLr.jpg)
Read EXT eeprom and save
Read EXT flash and save.
Write EXT eeprom
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*1IfOrvajFLWNRlVH.jpg)
Write EXT eeprom successfully
Write EXT flash
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*8c8xCAbz-KqznHCg.jpg)
![OBDSTAR DC706 Read and Write Bosch EDC16C39 with P003+](https://cdn-images-1.medium.com/max/800/0*tXoIkx2XvWyjuv2r.jpg)
Write EXT flash successfully.
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