Powertrain Control Module: Installation

2004 Oldsmobile Bravada AWDSECTION Installation
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the PCM to the PCM rear bracket. Position the PCM front bracket. Install the PCM front retaining bolts. Tighten the PCM retaining bolts to specification. See TORQUE SPECIFICATIONS .
  2. Connect the electrical connectors to the PCM. Tighten the PCM electrical connectors to specification. Install the TAC module. Install the wheelhouse filler panel. Tighten wheelhouse filler panel bolts to specification.
  3. If a new PCM is being installed, program the PCM. See POWERTRAIN CONTROL MODULE  under PROGRAMMING.
Fig 1: Locating AIR Solenoid, PCM & Throttle Actuator Control Module
G00114964Courtesy of GENERAL MOTORS CORP.
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.