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HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 928 (ENGINE CONTROLS AND FUEL - 3.8L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSIGNITION CONTROL MODULE REPLACEMENTREMOVAL PROCEDURE
2006 Pontiac G6 GTP, 2D Coupe, Standard

Removal Procedure

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Removal Procedure
WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Ignition Control Module Wiring Harness Electrical Connector.
    GM1686624Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  3. Loosen the bolt (2) securing the ignition control module (ICM) wiring harness electrical connector.
  4. Remove the ICM wiring harness electrical connector from the ICM.
    5. Fig 2: Identifying Spark Plug Wires
    GM1693864Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the rear spark plug wires (1) from the ignition coils.
  6. Disconnect the front spark plug wires (2) from the ignition coils.
    7. Fig 3: Identifying ICM wiring harness ground nut
    GM1686625Courtesy of GENERAL MOTORS CORP.
  7. Remove the ICM wiring harness ground nut (1).
  8. Remove the ICM wiring harness ground (2) from the stud.
    9. Fig 4: View Of ICM bracket nuts
    GM1693837Courtesy of GENERAL MOTORS CORP.
  9. Remove the ICM bracket nuts.
  10. Remove the ICM bracket from the studs.
  11. Place the ICM assembly on a clean work surface.
    12. Fig 5: Identifying Ignition Coil & Bolts
    GM1693822Courtesy of GENERAL MOTORS CORP.
  12. Remove the ignition coil bolts.
  13. Remove the ignition coils from the ICM.
    14. Fig 6: View Of ICM & Bracket
    GM1693880Courtesy of GENERAL MOTORS CORP.
  14. Remove the ICM from the bracket.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.