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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 258 (ENGINE CONTROL SYSTEM - REMOVAL & INSTALLATION)COMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULEINSTALLATION
2004 Oldsmobile Bravada RWD

Powertrain Control Module: Installation

2004 Oldsmobile Bravada RWDSECTION Installation
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Do NOT touch the connector pins or soldered components on the circuit board to prevent possible Electrostatic Discharge (ESD) damage to the PCM. Turn ignition switch to OFF position when installing or removing the PCM connectors and disconnecting or reconnecting the power to the PCM (battery cable, PCM pigtail, PCM fuse, jumper cables, etc.) to prevent internal PCM damage.
  1. Install the 2 PCM brackets (3) to the PCM (2). See Figure .
  2. Install 4 bracket-to-PCM bolts. Tighten PCM bracket bolts to specification. See TORQUE SPECIFICATIONS  .
  3. Connect PCM harness connectors (1).
  4. Swing the PCM (2) with bracket (3) up into position under the IP. See Figure .
  5. Install 2 PCM-to-IP bolts. Tighten bolts to specification. See TORQUE SPECIFICATIONS  . See Figure .
  6. Install the IP compartment door into the IP.
  7. Push in on both sides of the IP compartment to release the safety catches and close the door. See Figure .
  8. Swing the close out panel (1) up under the PCM and install the 2 retainers. See Figure .
  9. Enable the SIR system. See DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEM article in RESTRAINTS.
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.