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Home >> Jeep >> 2003 >> Wrangler X, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Electronic Control Modules) >> Powertrain Control Module >> Installation
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Powertrain Control Module: Installation

WARNING: This page is about a different car, the 2004 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

USE THE DRB 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. 

  1. Install PCM and mounting bolts to vehicle.
  2. Tighten bolts to 4 N.m (35 INCH lbs.).
  3. Check pin connectors in PCM and three 32--way connectors for corrosion or damage. Also check pin heights in connectors. Pin heights should all be the same. Repair as necessary before installing 32-way connectors.
  4. Install three 32-way connectors.
  5. Install plastic shield to 32-way connectors. Shield snaps to connectors.
  6. Install battery cable.
  7. Use the DRB scan tool to reprogram new PCM with vehicles original Identification Number (VIN) and original vehicle mileage.

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