This is a customer solution and feeback on China Carprog 7.28. He has successfully deal with “CARPROG CANBUS no working” issue.
I buy china carprog and coming sames problem CANBUS NO WORKING. I changing around 3x MCP not working, Conecting +12 volt to stabilizer not working, changing 4x 74HC125 in carprog not working. so i thinking around this tool and i open A1 adapters and compared with original A1 adapter .
I FIND WHERE IS PROBLEM !!!!
In china peoples changing positions CAPACITORS AND RESISTORS !!!!.
I forget on important information IN A1 ADAPTER IS NOW SOLDERED NEW MCP old MCP. i dont soldered back. i dont tested ODL MCP if work wit this or not. So far, it is WORKING GOOD.
I forget on PRT SCR from my china carprog conected to opel can.
CARPROG full 7.28 (Best Quality)