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Home >> GMC >> 2009 >> Canyon 4D Pickup, 2.9 9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 2.9L - Introduction, Service & Repair >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure
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Removal Procedure

  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
    2. Fig 1: View Of Engine Wiring Harness & Retainers
    GM1350711Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the ECM harness connectors (2) from the ECM (3).
    3. Fig 2: View Of PCM
    GM1352004Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not touch the connector pins or soldered components on the circuit board in order to prevent possible electrostatic discharge (ESD) damage to the PCM.
  3. Disengage the ECM bracket mounting tabs, while removing the ECM.
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