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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal & Installation >> Computerized Engine Controls >> Powertrain Control Module >> Installation
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Powertrain Control Module: Installation

  1. Install PCM to bracket. Ensure PCM mounting tabs are engaged. Secure PCM spring latch. Connect harness connectors to PCM. Tighten PCM harness connector bolts to specification. See TORQUE SPECIFICATIONS .
  2. Install PCM cover. Reconnect negative battery cable. If NEW PCM has been installed, PCM MUST be programmed. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.