Module, Powertrain Control, (Pcm) 2.8L Diesel: Description
WARNING: This page is about a different car, the 2018 Jeep Wrangler JK. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of CHRYSLER GROUP, LLC
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The Powertrain Control Module (PCM) (2) is located in the left side of engine compartment attached to the left inner fender. The PCM also incorporates the barometric pressure sensor in it's housing.