There are several ways to identify the various models of Powertrain Control Modules used in the 7.3 Ford Power Stroke diesels: The DPC number, Tear Tag aka PCM Code, and the Ford part number. The DPC (Diesel Powertrain Controller) number is found on the upper left corner of the label... There are several ways to identify the various models of Powertrain Control Modules used in the 7.3 Ford Power Stroke diesels: The DPC number, Tear Tag aka PCM Code, and the Ford part number. The DPC (Diesel Powertrain Controller) number is found on the upper left corner of the label...