CGDI Prog MB is possible to reset/erase Mercedes-Benz 722.9 7g TCU Transmission Control Unit. Check step-by-step instructions below:
Run CGDI MB software
Select Auto Commuter function
Select engine type: TCU
Check wiring diagram
Follow diagram to connect cgdi mb with TCU
The diagram need external 12V power. must follow the diagram . Some EGS cable that customers buy from other website can not use with CGMB.
Press Erase to reset
TCU has been reset.
The EGS status , if “personalized ” option not marked , “Activated ” option marked, the EGS has been erased by other tool . This status may will cause erase failure . you need to put it back to car to activate it first ,or use other tool to activate it . Then use CGMB to erase .
After software show you ”erased successfully ” , you need to read the EGS status to check if it correct erase . if not , reboot your cgdi ,do it again
If erase password can not calculate , send your file to CG tech support .They can help you to calculate
After you erased succeed , install TCU back to car, need synchronize with autel, mb star diagnosis etc