MMS Flex Cannot Connect GM Acdelco E41 via OBD Bench Solution
Problem: It’s a Silverado 2018 with ACDelco E41 ECM. Magic Motorsport Flex programmer can’t connect the ECU by obd bench. Any other suggestions? Solution: Need to unlock first via bench, tool will write a file direct to ecu, after finish can read file. E41 not enough VR files for public release. Hp tuners only solution… Read More »



