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.
2012 Ford Mustang V6-3.7LFACTORY OEM SERVICE PROCEDURE
Engine Control Module: 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 (PMI) procedure Programming and Relearning. For additional information, refer to Information Bus.
2. Remove the 8 retainers and the radiator sight shield.
3. Disconnect the 3 PCM electrical connectors.
4. Remove the 2 bolts and the PCM.
Installation
1. Install the PCM and the 2 bolts.
- Tighten to 8 Nm (71 lb-in).
2. Connect the 3 PCM electrical connectors.
3. Install the radiator sight shield and the 8 retainers.
4. NOTE: If the Programmable Module Installation (PMI) procedure was not successful in downloading the data from the vehicles original PCM, then the oil life data of the vehicle is lost. If this occurs, and the oil life cannot be determined through service history or customer interview, it is recommended the vehicle engine oil and filter be changed and the oil change minder reset.
Restore the module configuration. Carry out the module configuration restore steps of the Programmable Module Installation (PMI) procedure Programming and Relearning. For additional information, refer to Information Bus.
5. After completing the repairs, use the scan tool to perform the Misfire Monitor Neutral Profile Correction procedure, following the on-screen instructions.
Factory Service Tools
Use the Manual With the Right Hardware
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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.