Powertrain Control Module

NOTE: Vehicles may be equipped with a 3-connector or 4-connector PCM. The Next Generation Controller (NGC) combines the Powertrain Control Module (PCM) and the Transmission Control Module (TCM) into a single controller. The NGC PCM has 4 harness connectors (Black C1, Gray C2, White C3 and Green C4) and the Jeep/Truck Engine Controller (JTEC) PCM has 3 harness connectors.

The PCM monitors and controls the following.

Fuel System
Ignition System
Charging System
Speed Control System
Automatic Transmission

If malfunction occurs which affects vehicle emissions, a DTC will be stored in PCM. For additional information on PCM, see SELF-DIAGNOSTICS - DURANGO - JTEC or SELF-DIAGNOSTICS - DURANGO - NGC article in ENGINE PERFORMANCE.