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Powertrain Control Module: Removal

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.
NOTE: Service of the Powertrain Control Module (PCM) consists of a complete replacement of the PCM. There are no serviceable parts, such as Programmable Read-Only Memory (PROM) or Erasable Programmable Read-Only Memory (EPROM) to replace inside the PCM. If the PCM is determined to be faulty, the PCM is to be replaced as a complete assembly.
NOTE: Numbers in parenthesis in removal and installation procedures refer to numbers in referenced figure(s).
  1. Disable the Supplemental Inflatable Restraint (SIR) system. See DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEM article in RESTRAINTS.
  2. Remove the 2 screws from the PCM close out panel (1) below the Instrument Panel (IP) compartment door. See Fig 1 .
  3. Swing the PCM close out panel (1) down.
  4. Open IP compartment.
  5. Push in on both sides of the IP compartment to release the safety catches. See Fig 2 .
  6. Remove the IP compartment door assembly from the IP.
  7. Remove the 2 PCM bracket bolts. See Fig 3 .
  8. Pull the PCM (2) with brackets (3) forward and swing both down and away from under the IP. See Fig 4 .
  9. Disconnect 4 PCM harness connectors (1).
  10. Remove the 4 screws and the 2 brackets (3) from the PCM (2).
Fig 1: Removing/Installing PCM Close Out Panel Retainers
G00180607Courtesy of GENERAL MOTORS CORP.
Fig 2: Removing IP Compartment Door
G00180608Courtesy of GENERAL MOTORS CORP.
Fig 3: Removing PCM Bracket Bolts
G00180609Courtesy of GENERAL MOTORS CORP.
Fig 4: Removing/Installing PCM
G00180610Courtesy of GENERAL MOTORS CORP.