Forscan Pcm Update Fix Review

As he clicked "Write," the dashboard went wild. The "Service AdvanceTrac" light flashed, the fuel gauge dropped to zero, and the chime dinged incessantly. This was the "silent heart attack" phase of a PCM update where the module stops communicating with the rest of the truck to accept the new code.

Before attempting a ForScan PCM update, consider the following: forscan pcm update