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Home >> Jeep >> 2011 >> Compass 4WD L4-2.0L >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> Powertrain Control Module - Removal
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Powertrain Control Module - Removal






REMOVAL - PCM





USE THE SCAN TOOL TO REPROGRAM THE NEW POWERTRAIN CONTROL MODULE (PCM) WITH THE VEHICLES ORIGINAL IDENTIFICATION NUMBER (VIN) AND THE VEHICLES ORIGINAL MILEAGE. IF THIS STEP IS NOT DONE, A DIAGNOSTIC TROUBLE CODE (DTC) MAY BE SET.

To avoid possible voltage spike damage to PCM, ignition key must be off, and negative battery cable must be disconnected before unplugging PCM connectors.

1. Disconnect and isolate the negative battery cable.
2. Unlock and disconnect the electrical connectors (2) from the PCM (4).
3. Remove the three mounting bolts (3) and ground wire (1).
4. Remove the PCM (4) from the air cleaner body cover.