July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Module, Powertrain Control: Removal: Diesel
WARNING: This page is about a different car, the 2011 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: PCM, Harness Connectors & Bolts
Courtesy of CHRYSLER LLC
Disconnect the negative battery cable.
Disconnect the Powertrain Control Module (PCM) wire harness connectors (3).