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HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 3.5L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSPOWERTRAIN CONTROL MODULE (PCM) REPLACEMENTINSTALLATION PROCEDURE
2006 Pontiac G6 GTP, 2D Coupe, Standard

Installation Procedure

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: Removing & Installing PCM
    GM1492082Courtesy of GENERAL MOTORS CORP.
  1. Slide the PCM into the PCM bracket on the front of the battery box.
  2. Push down on the PCM until the retaining tab snaps into place.
    3. Fig 2: View Of PCM Connectors
    GM1492080Courtesy of GENERAL MOTORS CORP.
  3. Connect the engine harness electrical connectors to the PCM.
  4. Rotate the lever locks downward to secure the connectors.
    5. Fig 3: View Of PCM
    GM1492079Courtesy of GENERAL MOTORS CORP.
  5. Connect the body harness electrical connectors to the PCM.
  6. Rotate the lever lock downward to secure the connectors.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
    IMPORTANT: Following the PCM reprogramming, the PCM will have to learn the crankshaft position (CKP) variation for misfire diagnostics.
  8. If a NEW PCM was installed, reprogram the PCM. Refer to Powertrain Control Module Programming and Setup in Programming and Setup.
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.