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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System & Fuel System - 4.3L - Introduction (2 Of 2)) >> Repair Instructions >> Powertrain Control Module Replacement >> Removal Procedure

Removal Procedure

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  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
    2. Fig 1: View Of Powertrain Control Module (PCM)
    GM1204499Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
    3. NOTE: 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. Disconnect the PCM harness connectors.
  4. Release the spring latch from the PCM.
  5. Lift the PCM from the PCM mounting tray.
  6. Remove the PCM from the engine compartment.
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