LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2003 >> Seville SLS >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal & Installation >> Computerized Engine Controls >> Powertrain Control Module >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module: Installation

NOTE: If the PCM is being programmed using the Off-Board method, perform the programming before continuing with the steps listed below. See POWERTRAIN CONTROL MODULE  under PROGRAMMING.
  1. Install the PCM. Install the PCM connectors. Tighten the PCM connectors screws to specification. See TORQUE SPECIFICATIONS . Install the intake air duct, MAF/IAT sensor, and the air filter element/PCM housing cover to the throttle body. Be sure to properly install the intake air duct to the throttle body.
  2. An improperly installed, distorted, or damaged air filter or intake air duct may cause a DTC to set. Align and engage the tabs on the air filter element/PCM housing cover with the slots in the air filter element/PCM housing. Tighten the air filter element/PCM housing cover screws to specification.
  3. Tighten the air cleaner intake duct clamp at the throttle body to specification. Reconnect the MAF/IAT sensor connector. Connect the negative battery cable. Install the rear seat cushion. Program the PCM. See POWERTRAIN CONTROL MODULE  under PROGRAMMING.


NOTE: If the PCM is being programmed using the Off-Board method, perform the programming before continuing with the steps listed below. See POWERTRAIN CONTROL MODULE  under PROGRAMMING.
  1. Install the PCM. Tighten the PCM connector attaching bolts. Install the PCM connectors. Tighten the PCM connectors screws to specification. See TORQUE SPECIFICATIONS . Install the air cleaner cover onto the air inlet housing. Snap the assembly clamps into place. Align the air cleaner intake duct/resonator assembly into place.
  2. Install the screw onto the air cleaner intake duct/resonator assembly. Tighten the intake air duct clamp to specification. Connect the negative battery cable. Install the rear seat cushion. Program the PCM. See POWERTRAIN CONTROL MODULE  under PROGRAMMING.