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.
Engine Control Module: Service and Repair
2010 Ford Ranger 2WD L4-2.3LSECTION Service and Repair
Powertrain Control Module (PCM)
Removal
1. Retrieve the module configuration. Carry out the module configuration retrieval steps of the Programmable Module Installation procedure. For additional information, refer to Information Bus. Programming and Relearning
2. Remove the PCM wiring harness retainer nut.
3. Remove the ground wire stud bolt.
4. Disconnect the 3 PCM electrical connectors.
5. Remove the 2 nuts and the PCM.
Installation
1. Install the PCM and the 2 nuts.
- Tighten to 10 Nm (89 lb-in).
2. Connect the 3 PCM electrical connectors.
3. Position the ground wire terminals and install the stud bolt.
- Tighten to 10 Nm (89 lb-in).
4. Install the PCM wiring harness retainer nut.
- Tighten to 10 Nm (89 lb-in).
5. NOTE: If a new PCM is installed, the parameters must be reset in both the PCM and the instrument cluster module or the vehicle will experience a Passive Anti-Theft System (PATS) no-start. This will occur even if the vehicle is not equipped with PATS. PATS vehicles and non-PATS vehicles have parameters in the instrument cluster module and the PCM and they both must be reset whenever a new PCM is installed. For additional information on PATS, refer to Antitheft and Alarm Systems.
Restore the module configurations for the instrument cluster module and the PCM. Carry out the module configuration restore steps of the Programmable Module Installation procedure. For additional information, refer to Information Bus. Programming and Relearning
RENDER: 1.0x
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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.