How to solve CGDI MB erase 7G TCU I error "erase failed" ?
Question: When I try to use the erase password with CGDI MB Programmer to erase 7G TCU I get error message that says erase failed. 2012 S63 AMG 722.931 Do I need to remove the TCU and do it on the bench and not in the car? Experienced user said: I saw on YouTube ECU reset process with CGDI, there was a fault to reset several times. And he just read, tries to reset, read again. And after 6-7 time fault occurred after reading ECU was renewed. So maybe you should try to do it several times. I was reading 7g at Friday, got an erase password, but I didn't try to reset. Cause I have another job to do on it. But when I come back to work I will do what I need and try to reset TCU. I just need some time to get healthy. Official how-to guide: How to use CGDI MB programmer to reset Mercedes ECU ME9.7 on Bench with success. http://blog.obd2shop.co.uk/how-to-use-cgdi-mb-to-read-erase-mb-ecu-me9-7-on-bench/ Look here: TCU 722.9 reset ok. Did 2 TCU's: VGS2 a