LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2005 >> Focus L4-2.0L VIN N >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module: Service and Repair

POWERTRAIN CONTROL MODULE (PCM)

Removal and Installation
1. Disconnect the battery ground cable.







2. Remove the instrument panel side trim.







3. Remove the cowl side trim panel.







4. Remove the glove box.







5. Remove the passenger side lower footwell trim panel.







6. Remove the generic electronic module (GEM).
1. Remove the two retaining nuts.
2. Remove the GEM module and the bracket and position aside.







7. Disconnect the powertrain control (PCM) module electrical connectors and remove the PCM.

8. CAUTION: Make sure that the PCM electrical connectors do not unlock when installing the GEM module.

To install, reverse the removal procedure.