LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2003 >> Sunfire Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Cruise Control System) >> Removal & Installation >> Powertrain Control Module >> Removal & Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal & Installation

WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Chevrolet Cavalier, 2001 Pontiac Sunfire, and 2001 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: To prevent electrostatic discharge, DO NOT touch Powertrain Control Module (PCM) connector pins or components on circuit board.
  1. Turn ignition switch to LOCK position and wait at least 10 seconds. Disconnect negative battery cable. Raise and support vehicle. Remove right side splash shield. Remove horn. Disconnect Powertrain Control Module (PCM) harness connectors. Remove PCM bolts. Slide PCM out of bracket.
  2. To install, ensure service number on new PCM is same as service number on old PCM (or updated number). To complete installation, reverse removal procedure. Tighten PCM harness connector screws to 71 INCH lbs. (8 N.m). Connect negative battery cable. Reprogram PCM. SeeCOMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. For 2002, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.