Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Powertrain Control Module (PCM): Notes
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. There are several different types of PCMs in use for this model year. Refer to the VEHICLE PCM APPLICATION Table below for PCM types and their applications.
| PCM Type | Applications |
|---|---|
| 112 Pin | EcoSport (1.5L Manual Transmission), KA (1.2L, 1.5L Manual Transmission) |
| 128 Pin | Fiesta (1.6L TIVCT), Ranger (2.5L) |
| 198 Pin | Continental, E-Series, EcoSport (1.0L, 1.5L Automatic Transmission, 2.0L), Edge (2.0L), Escape/Kuga, Expedition, Explorer, F-Series Super Duty, F-150 (3.5L), F-650/F-750, Fiesta (1.0L, 1.6L GTDI), Flex, Ford GT, Fusion, KA (1.5L Automatic Transmission), MKC, MKS, MKT, Nautilus (2.0L), MKZ, Motorhome, Mustang (2.3L, 5.2L), Navigator, Ranger (2.3L), Taurus, Transit, Transit Connect |
| 306 Pin | Edge (2.7L), F-150 (2.7L, 3.3L, 5.0L), Nautilus (2.7L), Mustang (5.0L) |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.