OBDSTAR DC706 Recover GM ACDELCO E78 ECM with Shadow Password

Both OBDSTAR DC706 ECU Tool and I/O Terminal are capable of recovering various GM ACDELCO ECMs with shadow passwords in boot mode. Here’s a user review on successfully recovering a GM E78 ECM using the DC706: Importance of Reading ShadowFlash with DC706: When using the DC706 to Continue Reading →