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
2011 Lincoln MKZ AWD V6-3.5LSECTION Service and Repair
Powertrain Control Module (PCM)
Removal
1. NOTE: PCM replacement DOES NOT require new keys or programming of keys.
Retrieve the module configuration. Carry out the module configuration retrieval steps of the Programmable Module Installation (PMI) procedure. For additional information, refer to Module Configuration [1][2]Initial Inspection and Diagnostic Overview.
2. Remove the battery tray. For additional information, refer to Battery, Mounting and Cables Battery Tray.
3. Disconnect the 2 PCM electrical connectors.
4. Remove the 4 bolts and the PCM.
Installation
1. Install the PCM and the bolts.
- Tighten to 8 Nm (71 lb-in).
2. Connect the 2 PCM electrical connectors.
3. Install the battery tray. For additional information, refer to Battery, Mounting and Cables Battery Tray.
4. Restore the module configuration. Carry out the module configuration restore steps of the Programmable Module Installation (PMI) procedure. For additional information, refer to Module Configuration [1][2]Initial Inspection and Diagnostic Overview.
5. Reprogram the Passive Anti-Theft System (PATS). Carry out the Parameter Reset procedure. For additional information, refer to Anti-Theft - Passive Anti-Theft System (PATS) Programming and Relearning.
6. Using the scan tool, perform the Misfire Monitor Neutral Profile Correction procedure following the on-screen instructions.
RENDER: 1.0x
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.