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Home >> Ford >> 2024 >> Expedition Timberline >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls >> Description And Operation >> Electronic Engine Controls - System Operation and Component Description >> Component Description >> Powertrain Control Module (PCM)

Powertrain Control Module (PCM)

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The center of the engine control (EC) system is a microprocessor called the PCM. The PCM receives input from sensors and other electronic components (switches, relays). Based on the information received and programmed into its memory, the PCM generates output signals to control various relays, solenoids and actuators.